Dulux Paints, a Hospital, a leisure centre and a GPs Surgery Essay Example for Free

Dulux Paints, a Hospital, a leisure centre and a GPs Surgery Essay For this project I have sent a letter to each company, I have emailed 1 of the companies and visited 2 of the companies in order to help me with my research. Although not all companies gave me the relevant information, I also used the internet to help me fill in the missing gaps. Production Organisations The only product organisation I have chosen to do is Dulux. Dulux is a paint company. Dulux Customer Care Centre ICI Paints Wexham Road Slough SL2 5DS Tel: 08444 817 817 Dulux produce a wide range of different paints and products both interior and exterior to help you paint. Here are a few examples of what products they make. Paint Paint is any liquid liquefiable or mastic composition which after application to a substrate in a thin layer is converted to a solid film. Products made for interior: Paint pod: Paintpod roller system, Paintpod matt emulsion, Paintpod silk emulsion, Paintpod 2m extension tube, Paintpod extra reach handle, Paintpod roller sleeve, Paintpod dip tube, Paintpod edging brush, Paintpod spare parts Main Range: Matt, Natural hints matt, Feature wall matt, Soft sheen, Solid emulsions matt, Solid emulsions silk, Non-drip gloss, Satin wood, Professional liquid gloss, Pure brilliant white eggshell, Quick dry gloss, Quick dry satin wood, Tile paint, Cupboard paint. Exterior products: Products made for exterior: Main range: non-drip gloss, professional liquid gloss. Once: Gloss. Weathersheild: smooth masonry paint, textured masonry paint, ready to roll smooth masonry paint, exterior gloss, exterior satin, exterior one coat gloss, exterior undercoat, exterior stablishing primer, multi-surface fungicidal wash, exterior preservative primer. What Science is involved? Paint is manufactured with mineral fillers (clay and limestone) and pigments from various minerals. Paint contains four basic ingredients pigments, resin solvents and additives. Each has a different purpose. The pigment is for colour, resin is a binder, the solvent carries the pigment and resin from the paintbrush to the wall, the additive is added to change or improve its characteristics, in paint it is added to help the paint stick better. Making the paste: Pigment manufacturers send bags of pigments to the paint factory where it is them premixed with the resin, the solvent and additives to form a paste. Dispersing the pigment: The paste mixture is then routed to a sand mill (shown below) this agitates tiny particles of sand to grind the pigment particles to make them smaller then dispersing them throughout the mixture. The mixture will then be filtered to remove the sand particles. Although not all paint companys use a sand mill, instead they may be used in a high speed dispersion tank. (Shown below) here the premixed paste is subjected to high speed agitation by a circular toothed blade attached to the rotating shaft. Using this process will blend the pigments into the solvent Thinning the paste: No matter how it is dispersed whether by sand mill or dispersion tank the paste must be thinned to produce the final product. The paste is transferred to a large kettle where it is agitated with the right amount of solvent to match the paint desired. Canning the paint: The paint is then pumped into the canning room. Empty cans are rolled horizontally onto labels the set upright for the paint to be pumped into them. A machine will then place the lids onto the filled cans and a second machine will press the lid so it is sealed. The handles are then made and cut by a bolometer before hooking them into the holes made on the cans. The cans are then boxed and sent to the warehouse. Health and safety act: The health and safety act defines general duties on employers, employees, contractors, suppliers of goods and substances for use at work, person in control of work premises and people who manage and maintain them. The act enables a regime of regulations by the government ministers through the statutory instrument. They created an extensive system of specific provisions for various industries, including discipline and risks. It enforces powers backed by criminal sanctions extending to unlimited fines and imprisonment for up to 2 years. The act provides a critical interface with the law of European Union on workplace health and safety. How is the HS act used in Dulux? The health and safety act will be used in Dulux to make sure that paint is not left on the floor and so that the company is a safe environment to work in. listed below are a few ways in which they will ensure health and safety: * They are to make sure there is no paint left on the floor to ensure no accident occur * They are to make sure Special clothes will be worn to protect the workers from toxic chemicals * They will Ensure that all equipment is safe to use to help prevent accident occurring * They will ensure that All fire exits are clearly marked and not covered so easy access incase of a fire * All rules and regulations are clearly stated, visible and always followed. * There is a fire safety point Cleary situated. * Ensure all fire alarms work Service organisations The 1st service organisation I have chosen to do is within the health care system. I have chosen to do a hospital. I will research manor hospital. Manor Hospital Moat Road, Walsall, WS2 9PS 01922 721172 Manor hospital offers a wide range of services from AE to Vascular surgery. I have listed a few below: * AE * Cancer services * Care of the elderly * Dermatology * Ear, nose and throat surgery * Maternity * Orthodontics * Pharmacy and medicines * Sexual health * Therapy services * Urology * Vascular surgery Manor hospital is a place where you can get medical treatment. They help you in a variety of different ways. I have chosen to do focus my project on the AE What Science Is Involved? In the AE there are a variety of different sciences involved. Although not all are used daily. There are some things that you may not be aware off that use science. The AE is a place where you go if you have been involved in an accident. They deal with all accidents and emergencys ranging from a sprain up to a breakage of a bone. Although this may seem like no science is involved there is. Biology is mainly used because its deals with the human body. They need to have a biology degree. For example if somebody were to come into AE with a nail in there hand, they would have to use the biology in order to figure out the best treatment n how to go about getting the nail out. Would they just pull it out or would they operate? After deciding this they will need to sterilise the nail in order to stop the micro-organism infecting the wound. This is another form of science involved. After that if they choose to operate they will use anaesthetic. Although this may seem as if this is not using science it is. This is used to temporarily reduce sensation so that painful procedures or surgery can be performed. There are 2 types of anaesthetic: * General; makes the patient unconscious * Local; numbs the part of the body that would feel pain. So what is in anaesthetic? * Benzocaine * Dibucaine * Liudocaine * Tetracaine * Novocaine * Prilocaine * Mepivacaine * Bupivacaine * Articaine * Procaine Health and safety: As stated above manor hospital will also have health and safety regulations to help ensure nobody is put at risk, listed below are some examples of where health and safety will be used in the AE: * They will ensure that when using needles or checking a patient they will use gloves, that are to be changed after every patient * They will ensure that all needles used are put into a container and only used on 1 person. * They will ensure that all the toilets are clean. * They will ensure that no fire exits or covered and are fully accessible. * They will ensure that if a patient is highly ill they will be put into quarantine. * They will ensure that all medical equipment is clean and able to be used. * A fire safety point clearly stated * Ensure all fire alarms work * They will ensure that there are enough seats available so that people are not standing around. The 2nd service organisation I have chosen to do is Berkley practice. This is a GPs practice. Berkley practice Churchill Road Walsall West midlands WS2 0BA The Berkley practice provides a wide range of services such as: * Blood tests * STI Tests * Pregnancy tests At the Berkley practice there is more than one GP available to suit your needs, as each GP may have a different area of expertise. This also may be so that it is easy access to your GP if you live close by. Although you may have a personal GP you may also chose to use a different Doctor. What Science is involved? As a dentist they will need to know a variety of different thing that involve science such as x-ray machines and chemicals. Here below are some of the sciences used. A dentist will diagnose and treat problems relating to the teeth and gums in the mouth. This means the dentist will need to know the science of the body but specifically the mouth and teeth. This will be so they can give advice about brushing and healthy eating for looking after teeth and gums. They will also need to know the science of chemicals and antibiotics so that they are able to provide proper protection and pain relief. Dentist will also need to know the science of x-rays machines and other equipment so that they can be used safely and easily without accidents occurring. Finally dentist will need to know the science of infectious diseases so that he can prevent them happening whilst providing treatment. Health and safety: Like in the hospital the GP may have some of the same constraints to ensure safety. * Ensure all equipment is clean and safe to use * Ensure that gloves are worn when treating a patient * All needles will be put into a container * A fire safety point clearly stated * Ensure that all rules and regulations are stated, visible and always followed. * Ensure that all fire alarms work The 3rd service organisation I have chosen to do is Darlaston leisure centre Victoria Road Darlaston Walsall WS10 8AP Telephone 0121 526 7473 Fax 0121 568 7379 Darlaston leisure centre offers a wide range of activities and facilities such as: * Childrens gym * Adults gym * Swimming pool * Tanning studio * Swimming lessons * Vending area * Spectators area * steam rooms * holiday camps Darlaston leisure centre also caters for disabled people by providing disabled access, parking and disabled changing facilities. What Science is involved? Chlorine: Chlorine is the chemical that is often used to keep swimmingpools free of bacteria that can be hazardous to humans. It kills bacteria through a simple chemical reaction. The chlorine solution breaks down into different chemicals including hypochlorous acid and hypochlorite ion. Both of these kill micro organisms and bacteria by attacking the lipids in the cell walls and destroying enzymes and structures inside the cell, thus making them harmless. If not enough hypochlorous acid present the cleaning process can take much longer. After the cleaning process both chemicals either combine with another or are broken down into single atoms, this then makes the chlorine harmless. Although chlorine is good for swimming pools it may also produce side effects such as; * Itching; chlorine may have an itching effect on some skin, more likely to affect people with sensitive skin. * The smell; chlorine has a distinctive smell that some people may find sickly * Fading clothes; clothes may begin to fade if being exposed to chlorine for to long, such as your swimming costume around summertime. * Inhaling; inhaling a massive mount of chlorine may be hazardous to your breathing. Health and safety Darlaston leisure centre will also be a service provider that uses the health and safety act 1974. They will use this to ensure that all children using the facilities are safe. They may do this by: * ensuring there are ore than 2 staff watching the pools at all times * ensuring all fire exits are clearly labelled and visible * Ensuring that staff is watching children whilst in the gym children should not be in the gym as accidents may occur. Children should be out having fun. The equipment used may be too complicated for them. The age range for this gym is 8-16. * ensuring all food available is able to eat * clearly stating the rules and regulation of the centre and are always followed * making sure that there are qualified first aiders available * ensure that a fire safety point is clearly situated * ensure that all fire alarms work Below are copies of the emails and letters sent to the companies in order to help me with my research? Letters: This is the letter that I used to send to all of the companies. I edited the letter in order for it to be suitable for the companies. Dear whom ever this may concern, My name is Jaymie lee Howard I am 17 years old and am currently at 6thform, I am studying applied science. At the moment we are currently doing organisations using science. I am using your company as part of my coursework and was hoping you could answer these questions for me in order to help me. I would like to ask you if you could please answer these questions for me. 1) What type of work takes place within your company? 2) What science is used to help make the products offered for service? 3) What health and safety constraints do you have? 4) Does everybody follow the health and safety act? It would really helpful if you could answer these questions for me as they are not displayed on the website.

Tragedy in Sophocles Oedipus The King and Antigone Essay -- Sophocle

Tragedy in Sophocles' Oedipus The King and Antigone The Greeks considered tragedy the greatest form for literature.   However, the tragic ends for the characters were not ordained or set by fate, but rather caused by certain characteristics belonging to that person.   Such is the case with the characters of Sophocles' plays Oedipus the King and Antigone.   Oedipus from King Oedipus, and Antigone and Creon from Antigone posses characteristics, especially pride, that caused their tragic ends.   As the play progress, other characteristics appear and further add to the problem to such a point that it is inevitable that it will end in tragedy.   Therefore the tragedies were not a result of a plot by the fates, but rather a result of the characteristics that the characters possessed. The characters posses a multitude of traits, some of them common to all of them.   Pride is especially prevalent.   This characteristic seems to be the major tragic flaw or hamartia that eventually causes the downfall.   Oedipus exhibits a vast amount of pride, which seems to border on sheer arrogance.   This is demonstrated in the beginning of the play where he states, "I, Oedipus, whose name is known afar."(p. 25).   This is reinforced by the priest's replies of, "Oedipus great and glorious,"(p.26) and, "O greatest of men."(p.26).  Ã‚   Therefore it may be concluded that Oedipus obviously posses a large amount of pride.   Antigone, daughter and sister of Oedipus also posses the same trait.   Creon acknowledges this when he says, "This girl's proud spirit,"(p.139) and Antigone confirms this with her grand speech to Creon, where she states, "I knew that I should have to die... living in daily torment as I do, who would not be glad to die?" (p.138).   Thus the pri... ...in both King Oedipus and Antigone there were characters whose lives ended in tragedy.   However these falls from grace were no the deeds of fate, but rather that of the character themselves.   The characteristics, especially pride, of the people set them on the path.   Therefore the faults of the characters were the cause of their ill-fated end. Works Cited Dodds, E. R. "On Misunderstanding the Oedipus Rex." Twentieth Century Interpretations of Oedipus Rex: A Collection of Critical Essays. Ed. Michael J. O'Brien. New Jersey: Prentice-Hall, 1968. 17-29. Sophocles. "Oedipus Rex." An Introduction to Literature, 11th ed. Eds. Sylvan Barnet, et al. New York: Longman, 1997. Sophocles. Antigone. Exploring Literature: Writing and thinking About Fiction, Poetry, Drama, and the Essay. Ed. Joseph Terry. New York: Addison-Wesley Educational Publishers Inc, 2001.

Does Heavy Metal Cause Teen Violence?

Heavy metal has had a bad beat since the dawn of the genre onto the music scene. Slipknot, Ozzy Osborn, Marilyn Manson, Judas Priest, and Slayer are just some of the household names on the metal scene to have come under fire for supposedly inciting suicide, and in some cases murder. It’s a fire that the media has been more than happy to stoke, quick to insinuate links between the brutal lyrics and acts of violence.To quote Twisted Sister front man Dee Snider, â€Å"Every time a serial killer, mass murderer, Satanists, or any â€Å"evil† person in our society†¦ anytime the media’s found out that they’ve listened to heavy metal music it has been blown up as the reason for why this person is doing the things that they do† (Dunn). And he couldn’t be more right. As in the case of Marilyn Manson and the Columbine shootings, the media is more than happy to stoke the flames of controversy, even if the evidence points to the contrary. Violence ha s been around a lot longer than we have,† says Corey Taylor, lead vocalist and lyricist for the band Slipknot. Though violence and heavy metal seem to be intimately intertwined there is a difference between seeing and doing. â€Å"I have listened to enough metal for me to essentially be a serial killer,† says James McMahon from UK music magazine NME, â€Å"But there's something in me that says no, that's not what I believe life is about. Serial killers existed before Slayer, you know.I'm a big fan of horror movies but Hostel, Saw, those torture-porn films, I find myself repulsed†¦ metal is pantomime comparatively. † As one young Norwegian metal fan told the UK's Guardian newspaper, â€Å"It's all fantasy†¦ none of this is real†¦ you can't take this seriously†¦ it's just like a movie. † According to Sam Dunn, anthropologist and director of â€Å"Metal: A Headbanger's Journey†, â€Å"People look at heavy metal and label it for all sorts of things because we need easy answers to complex questions.I think that it's easy to target a heavy metal band for inciting violence or making kids turn to a cult than it is to actually look at real problems in the real world† (Dunn). So what REALLY causes violent acts amongst teens? According to William Fleeman author of â€Å"Managing Teen Anger and Violence,† teen violence is a growing problem in the United States and many of the underlying causes have nothing to do with musical preference. For instance, Fleeman states that abuse of drugs and/or alcohol contributes to teen violence.Violence among teens often stems from actions taken while intoxicated as well as crimes committed to obtain drug and/or alcohol. Another possibility is teens afflicted with mental issues. Metal health issues and conditions often show an inclination for violent behavior. Fleeman also states that teens living in unstable environments in which parents are neglectful and/or abusive ten d to act out violently due to first hand exposure to violence and/or neglect.And as in most cases some teens are motivated to participate in reckless and violent behavior as a result of peer pressure. They feel the need to fit in do to whatever reason and as such act out to look â€Å"cool†. Also, and this is possibly the most surprising reason of all, many teens that tend to do poor scholastically are more likely to behave violently in and outside of school. They feel undermined, even â€Å"stupid† and as such tend to act out as a way to gain acknowledgment (Fleeman).While Fleeman’s research depicts teen violence to be at an all-time high research done by the FBI from 1990 through 2007 has shown that rates of serious violence amongst youths under the age 18 has plunged by 49%, including unprecedented declines in murder (down 66%), rape (down 52%), robbery (down 32%), and serious assault (down 28%) (FBI). Furthermore, large-scale surveys such as Monitoring the F uture and The American Freshman have found students today reporting higher levels of happiness, optimism, leadership interest, and volunteerism and lower rates of smoking, drinking, depression, dropout, and materialism.And if that’s not enough to blow you away, the youngest teens showed the biggest improvements. So what causes teen violence? Is the media to blame? Is it drugs, metal health issues, neglect, peer pressure, or even bad grades? There may never be a satisfactory answer, but as far as metal is concerned, sociologist Donna Gaines had this to say, â€Å"For young people, it’s a place to belong where you can experience other possibilities and transcend everyday life in a very glorious way†¦ Is heavy metal a sacrament? For some people, it is.If it keeps kids alive, if it gives them hope, if it gives them a place to belong, if it gives them a sense of transcendence, then I believe it’s a spiritual force. I believe it’s a pipeline to God† (Dunn). And according to Dunn, â€Å"You either feel it, or you don’t. † Works Cited 1)Dunn, Sam, dir. Metal: A Headbanger's Journey. Writ. Scot McFadyen. Warner Bros. Entertainment, 2006. DVD. August 27 2012. 2)Fleeman, William. Managing Teen Anger and Violence: A Pathways to Peace Program. Impact Publications, 2008. Web. 3)U. S. government & U. S. Department of Justice, Stats and Services, www. fbi. gov

Personal Statement - Original Writing - 942 Words

Personal Statement It was a humid spring morning in Louisiana. I remember holding on to the ladder for my friend and tried to avoid the reflection of the sun from the shiny vinyl words â€Å"Habitat for Humanity† on her shirt. Before I could wipe the sweat drop off my forehead, I heard someone yell, â€Å"Watch out!† As I woke up, the dimmed white lights flickered in a rhythmic pace. Everyone seemed to be moving in a speed of light and I was the only one at a stand still. I heard a baby crying endlessly for her mom and as I glanced over to my left, I saw a nurse huddled up with a family. Even in this chaos, I somehow felt comfortable and safe, knowing that this many people were working to save lives and to treat injuries and illnesses. Then, a doctor had told me that a hammer was dropped on my head and caused a minor concussion. I have never felt more appreciative to be alive as if given a second chance in life. After realizing that my life could have easily been altered within minutes, I had a full understanding that life is an undefined process with limited time and it all depends on what one makes of it. I flashed back to this realization when my dad had called in an impassive voice to tell me that my grandfather was admitted to the hospital and in that instant; I knew that a difficult obstacle was ahead. My grandfather was the sole reason that our family moved to America in 1998 and never thanked him for giving me the life that I never expected. It was excruciatingly painfulShow MoreRelatedPlagiarism And The Culture Of Multilingual Students1560 Words   |  7 Pagesthe major culprit? by Dilin Liu. Plagiarism in writing, which could be defined as borrowing a creator’s original ideas and/or words without attributing credits where it’s due, is considered a big concern in higher-education level. 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The World s Largest Chain Of Fast Food Restaurants Essay

Organization Name and Background Founded in the year 1940 in San Bernardino, California, McDonald’s Corporation, the industry pioneers of fast food restaurant chains, grew to become the world’s largest chain of hamburger fast food restaurants, with a worldwide client base of more than 58 million daily customers. Through the introduction of their â€Å"Speedee Service System† in 1948, the principles of modern fast-food restaurants arose, and saw the establishment of the present McDonald’s corporation that dates back to April 15th, 1955 with the opening of a franchise restaurant by Ray Kroc, in Des Plaines, Illinois. It was Kroc, who then purchased equity in the company and led to the worldwide expansion of the corporation. The first McDonald’s restaurant, located at Des Plaines, Illinois saw relative success early on with its first day sales revenue totalling to $366.12 back in the year 1955. 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Pizza Hut is already established as a world leader in pizza, resulting in the trust and respect of consumers. The mission with this new franchise would be to further extend and build upon Pizza Hut’s good reputation, and there is plenty of confidence

Langston Hughes The Weary Blues Analysis - 1256 Words

On Langston Hughes’s The Weary Blues Kevin Young, a graduate of Harvard University and one of the winners of the Guggenheim Fellowship, writes the historical perspective of Langston Hughes. He discusses the flowering of the African American literature and culture and how it is actually just the extension of the New Negro movement. From the Harlem Renaissance, Langston Hughes is able to represent â€Å"different things† for â€Å"different men.† The uprising of Hughes’s poems are the result of their hardships that many people of his time faced. â€Å"The black cultural ferment found from the teens to the nineteen twenties and beyond provided an opportunity to prove in culture things sometimes denied black folks in society-- namely, their humanity.† Young†¦show more content†¦Miller, Baxter R. â€Å"The Art and Language Hughes.† On The Weary Blues, The University Press of Kentucky, 1989, www.english.illinois.edu/maps/poets/g_l/hughes/weary.htm. What Langston Hughes Powerful Poem I, Too† Tells Us About America’s Past and Present David C. Ward, a writer for the Smithsonian and historian, writes the lens of the African American experience through the eyes of Langston Hughes’s poem â€Å"I, Too.† He states that this poem embodies that history at a particular point in the early 20th century when Jim Crow laws and other racial segregations were heavily influenced. From the build-up of lack of importance becomes a larger notice of the presence that Langston Hughes brings. Ward brings the title into play when referring to the secondary relationship that Hughes brings into play. â€Å"It suddenly shifts the terrain to someone who is secondary, subordinate, even, inferior.† David Ward States. The African American lens that Ward notices largely in Hughes’s writing is that he speaks for the second-class, also known as, the ones who are excluded. The multi-dimensional pun in the title are not only close and open the poem, but fill the drama the poem portrays for the struggle of the African A mericans. â€Å"From moving out of sight, eating in the kitchen, and then taking their place at the dining room table co-equal with the ‘company’ that is dining.† Ward includes the evolution of the message Hughes presents through his poem. Ward, David C. â€Å"What LangstonShow MoreRelatedAnalysis Of The Poem The Weary Blues Essay1299 Words   |  6 PagesThe Weary Blues is one of many Langston Hughes’s poetry during the Harlem Renaissance. The Harlem Renaissance is a time in American history, in the cities where African Americans were concentrated like Harlem, many master pieces of art, music and literature were created. Blues was much enjoyed during the period; people listened to it and loved it. In the poem of The Weary Blues, people alive through music, and the strong power of music supported the suffering of the black people in that time periodRead MoreReoccurring Themes in the Work of Langston Hughes Essay1649 Words   |  7 PagesLangston Hughes is an extremely successful and well known black writer who emerged from the Harlem Renaissance (â€Å"Langston Hughes† 792). He is recognized for his poetry and like many other writers from the Harlem Renaissance, lived most of his life outside of Harl em (â€Å"Langston Hughes† 792). His personal experiences and opinions inspire his writing intricately. Unlike other writers of his time, Hughes expresses his discontent with black oppression and focuses on the hardships of his people. Hughes’Read MoreThe Characteristics Of Jazz And Blues Langston Hughes s The Weary Blues 1521 Words   |  7 PagesThe Characteristics of Jazz and Blues in Langston Hughes’s The Weary Blues While I was reading Langston Hughes’s poems, I have noticed his outstanding accomplishment in his blending creation of Negro musical characteristics and poetry. And The Weary Blues is his peaked piece of a combination of both jazz and blues. The poem reflected American African’s living situation during the Harlem Renaissance, it sufficiently revealed the cultural charm of Negros and Hughes’s fully affirms of his national dignityRead MoreRhetorical Devices Of `` We Wear The Mask `` And `` Harlem ``885 Words   |  4 Pageswithout the use of them. Subsequently, Harlem Renaissance writers such as Paul Lawrence Dunbar and Langston Hughes employed the rhetorical devices of imagery, description and metaphorical allusion to convey the egregious realities of the black experience in the United States during the early twentieth century. In writings such as, â€Å"We Wear the Mask† by Paul Lawrence Dunbar and â€Å"Harlem† by Langston Hughes, the use of rheto rical devices gives each writer the ability to provide commentary on the socialRead MoreJames Mecer Langston Hughes: Literary Genius1763 Words   |  8 PagesJames Mercer Langston Hughes was born February 1, 1902 in Joplin, Missouri. James Hughes and Carrie Langston are Hughes’ parents. They later divorced when Hughes was young. After his parents divorced he went to live with his grandmother until he turned thirteen years old. At thirteen years old he moved to Lincoln, Illinois. After living in Illinois he later moved to Cleveland, Ohio to live with his mother. When he moved to Cleveland he started writing poetry (â€Å"James Mercer†¦Ã¢â‚¬  par. 2). Langston had manyRead MoreLangston Hughes ´ Memories in His Poems Essay834 Words   |  4 PagesHarlem Renaissance, Langston Hughes was an inspirational poet who highlighted many aspects of the urban life of African-Americans through reflections of his own life and experiences. As a writer, a poet and a prominent activist of the civil rights movement, Langston Hughes was a man that was not only inspired by the world around him but used such inspiration to motivate others. Being that he was also one of the most influential writers during the Harlem Renaissance, Hughes held poetry demonstrationsRead MoreAnalysis Of Langston Hughes s Poem I, Too978 Words   |  4 Pages Langston Hughes America, the ideals of freedom, equality, and opportunity traditionally held to be available to every American. This is what everyone was told, what the Declaration of Independence states. But, Langston Hughes a black American poet in the Harlem Renaissance period saw the truth. Being an African American in the United States during the early 1900’s was difficult. Many lived a life full of hardships; segregation, prejudice and economic hardships, viewed as second-class citizensRead MoreJames Langston Hughes And Countee Cullen934 Words   |  4 Pages James Langston Hughes and Countee Cullen were prominent poets. These poets were at the time of the Harlem Renaissance during the 20th century. Hughes and Cullen wrote for others to understand the stories of African-Americans living in the United State. These men had differences in their writing, but one mutual objective. James Langston Hughes was born in Joplin, Missouri on February 1, 1902. Hughes began writing poetry when he lived in Lincoln, Illinois. The Weary Blues was his first book of poetryRead MorePoem Analysis : Langston Hughes Poem1258 Words   |  6 Pages Research Paper and Poem Analysis: Langston Hughes Poem Analysis: Langston Hughes’ poem â€Å"Mother To Son† is a twenty line poem that seems to be from the perspective of a prudent mother that is giving her son, and possibly the readers, some helpful and supportive advice, telling them that, no matter how many adversities they may face, they can not give up. I believe that this is the main theme of the poem, perseverance. â€Å"So, boy, don’t you turn back./ Don’t you set down on the steps./ ‘Cause youRead MoreLangston Hughes : A Modernist1222 Words   |  5 PagesSappington 13 Apr. 2017 Langston Hughes: A Modernist Credited as being the most recognizable figure of the Harlem Renaissance, Langston Hughes played a vital role in the Modernist literary movement and the movement to revitalize African American culture in the early 20th century. Hughes’s poems reflect his personal struggle and the collective struggle of African Americans during this cultural revival. Langston Hughes’s life contained key influences on his work. As a child, Hughes witnessed a divorce

Kalimunda Hakim Internship Report 2012 Free Essays

string(54) " routing in electronic data networks using packet II\." 1 INTERNSHIP REPORT MTN RWANDA PO BOX 264 BY Kalimunda Hakim Student At RTUC Bachelor In Business Information Technologies _____________________ SUPERVISED BY Aymard Mbonabucya Information Network Security Administrator _____________________ FROM 26 November, 2012 TO 15 January, 2013 INTERNSHIP REPORT 2 ACKNOWLEDGEMENT I am deeply intended to almighty God who has protected me through the whole period of internship. My special thanks are addressed to the MTN RWANDA administration for giving me such opportunity of passing an internship in their company, My sincere acknowledgement go to the Human resource Director Merry Assimwe for their acceptance of my intern . Thank you for all. We will write a custom essay sample on Kalimunda Hakim Internship Report 2012 or any similar topic only for you Order Now I am grateful to my Supervisor Aymard MBONABUCYA for being a best man I have ever known and his modesty, encouragement and understanding s on all my daily questions and answer it because of his spiritual and technical support; I used to became free to ask any question regarding network because he is very good at networking, may thanks be given to him. I finally thank all MTN staff in technology department for their good collaboration during this very important internship. INTERNSHIP REPORT 3 PREFACE The purpose of this report is to fulfill the internship requirement for the Bachelor degree in Business Information Technology program at Rwanda Tourism University College ; to till 15 January, 2013) with a private organizations in Rwanda called MTN RWANDA. successes and short. explain what I did achieved and learned during my internship period (26 November, 2012 The report focuses primarily on intern’s duties and responsibilities, internship results, its INTERNSHIP REPORT 4 About MTN Rwanda MTN is a global communications company and world-class cellular network. empowerment. As a major communications company, MTN is specifically focused on the Africa and the Middle East. We believe that through access to communication comes economic Serving you since 1998, MTN Rwanda continues to expand its network, offer new and innovative packages and services and keep up with the latest trends in communications while maintaining affordability. MTN Mobile Money has transacted over US$36 million Bulk Payment Services. MTN Rwanda has over 2. 9 million subscribers and its network coverage extends to over 98% of the population. ince its launch in 2010. The payment platform is now offering Cash Power Top-up and INTERNSHIP REPORT 5 ACKNOWLEDGEMENT PREFACE. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. 1 BACKGROUND OF COMPANY. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦2 CHAPTER I. INTRODUCTION†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ II. 1. OVERVIEW OF SWITCHING†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. II. II. 1. OVERVIEW OF ROUTING†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ II. II. 2. CONCEPTS OF ROUTING†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. ?II. 2. CONCEPTS OF SWITCHING†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. TABLE OF CONTENTS TABLE OF CONTENTS†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦.. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦3 CHAPTER II. PRESENATION ON SWITCHING AND ROUTING CONCEPTS AND CONFIG URATION†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ II. 3. SOME CONFIGURATION OF SWITCHING†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. II. II. 3. SOME CONFIGURATION OF ROUTING†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. II. III. NETWORK LAYER†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ II. III. 2. CISCO HIERARCHIAL LAYER†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ II. III. 3. CORE LAYER†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ II. III. 4. DISTRIBUTION LAYER†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. II. III. 5. ACCESS LAYER†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. II. III. 1. OVERVIEW OF NETWORK LAYER†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. II. IV. NETWORK DESIGN CONCEPT †¦. II. IV. 1. THEORIES ON NETWORK DESIGN†¦Ã¢â‚¬ ¦ II. IV. 4 SWITCH PASSWORD RECOVERY II. IV. 2. OVERVIEW ON VIRTUAL LOCAL AREA NETWORK (VLAN) II. IV. 5. FIREWALL PASSWORD RECOVERY II. IV. 3. ROUTER PASSWORD RECOVERY†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. INTERNSHIP REPORT 6 INTERNSHIP REPORT 7 Chapter 2. Presentation on switching, routing concepts and configuration II. 1. OVERVIEW OF SWITCH What is switching? Networking concept has two basic concepts and they are Switching and Routing . They using one of these methods. are fundamental concepts in Networking ,other topics like network security are based on these concept. Routing and Switching are the base packet or data delivering methods in When we are talking about the switching ,the protocols and concepts are related to the layer 2 and data packets with in this layer that are called frame . re bigger and bigger and also more expensive. 10base5, 10base-T for cabling were used . . Better switches have more choices than 2 condition and because of this capacity, they In Networking there is a long history for switches. At first time the direct connection network and each device like router , switch , hub , firewall , proxy , cash server, modem are As you know the switch refers to the de vice that can select one condition from 2 or more conditions . For example an electrical switch can select 0 as turn off and select 1 for turn on between to or more computer used to make a network and such technology like 10base2, In those technologies , the base topology was BUS Technology and the most advanced of more devices for sending and receiving data , and when a device wants to send data for figure below we can see a logical view to a hub and the meaning of bus . II. 2. CONCEPTS OF SWITCHING this technology is HUB. A bus or data bus refers to the one link(shared link) between 2 or another device ,this bus should be empty and none of devices should not use the bus . In INTERNSHIP REPORT FIGURE 1: SWITCH II. 3. SOME CONFIGURATION OF SWITCHING Command switch? switchenable switch# switch#disable switchexit switch#show version switch#show flash: switch#show mac-addresstable switch#show running-config switch#show startup-config switch#show vlan switch#show interfaces switch#show interface vlan1 descriptions The ? works here the same as in a r outer Used to get the list of all available commands User mode, same as a router Privileged mode Leaves privileged mode Leaves user mode Displays information about software and hardware. Displays information about flash memory (will work only for the 2900/2950 series). Displays the current MAC address forwarding table . Displays the current configuration in DRAM. Displays the current configuration in NVRAM. Displays the current VLAN configuration. Displays the interface configuration and status of line: up/up, up/down, admin down. Displays setting of virtual interface VLAN 1, the default VLAN on the switch. INTERNSHIP REPORT 9 II. II. 1. OVERVIEW OF ROUTING is the process of selecting paths in a network along which to send network traffic. Routing is performed for many kinds of networks, including the telephone network (circuit switching technology. Routers switching), electronic data networks (such as the Internet), and transportation networks. This article is concerned primarily with routing in electronic data networks using packet II. You read "Kalimunda Hakim Internship Report 2012" in category "Papers" II. 2. CONCEPTS OF ROUTING Whereas switches and bridges operate at OSI Layer 2 (the data link layer), routers primarily operate at OSI Layer 3 (the network layer). Like bridging, make the forwarding decisions. Routers make decisions based on network layer protocols such as Internet Protocol (IP) and Novell NetWare Internetwork Packet Exchange (IPX). growing beyond the capability of bridges. Before this popularity, networ he primary act of routing involves moving packets across a network from a source to a destination. The difference involves the information that is used to Routing gained popularity in the mid- to late 1980s as a result of internetworks Figure 2: Image of Router II. II. 3. SOME CONFIGURATION OF ROUTING modes, and the resulting prompts. The prompt helps you identify which mode you are in and, therefore, which commands are available to you: Mode of Operation Usage Mode How to Enter the Prompt The following table describes some of the most commonly used modes, how to enter the INTERNSHIP REPORT 10 User EXEC Change terminal settings on a temporary basis, perform basic tests, and list system information. First level accessed. Router Privileged EXEC Global Config System administration, set operating parameters. Modify configuration that affect the system as a whole. Modify the operation of an interface. Create the initial configuration. From user EXEC mode, enter enable password command Interface Config Setup From privileged EXEC, enter configure terminal. From global mode, enter interface type number. Router# Router(config)# Router(config-if)# Prompted dialog From privileged EXEC mode, enter command setup. User EXEC Mode: When you are connected to the router, you are started in user EXEC mode. The user EXEC commands are a subset of the privileged EXEC commands. Privileged EXEC Mode: Privileged commands include the following: †¢ Configure – Changes the software configuration. Enter the command disable to exit from the privileged EXEC mode and return to user EXEC mode. †¢ Debug – Display process and hardware event messages. †¢ Setup – Enter configuration information at the prompts. INTERNSHIP REPORT 11 Configuration Mode Configuration mode has a set of submodes that you use for modifying interface settings, routing protocol settings, line settings, and so forth. Use caution with configuration mode because all changes you enter take effect immediately. Note: To enter configuration mode, enter the command configure terminal and exit by pressing Ctrl-Z. Almost every configuration command also has a no form. In general, use the no form to disable a feature or function. Use the command without the keyword no to re-enable a disabled feature or to enable a feature that is disabled by default. For example, IP routing is enabled by default. To disable IP routing, enter the no ip routing command and enter ip routing to re-enable it. INTERNSHIP REPORT 12 Getting Help In any command mode, you can get a list of available commands by entering a question mark (? ). To obtain a list of commands that begin with a particular character sequence, type in those characters followed immediately by the question mark (? ). Router#co? configure connect copy Router? To list keywords or arguments, enter a question mark in place of a keyword or argument. Include a space before the question mark. Router#configure ? memory Configure from NV memory network Configure from a TFTP network host terminal Configure from the terminal You can also abbreviate commands and keywords by entering just enough characters to make the command unique from other commands. For example, you can abbreviate the show command to sh. INTERNSHIP REPORT 13 Configuration Files Any time you make changes to the router configuration, you must save the changes to memory because if you do not they will be lost if there is a system reload or power outage. There are two types of configuration files: the running (current operating) configuration and the startup configuration. Use the following privileged mode commands to work with configuration files. show running-config – display the running configuration. †¢ show startup-config – display the startup configuration. †¢ configure terminal – modify the running configuration manually from the terminal. †¢ copy running-config startup-config – copy the running configuration to the startup configuration. †¢ copy startup-config running-config – copy the startup configuration to the running configuration. †¢ erase startup-config – erase the startup-configuration in NVRAM. †¢ copy tftp running-config – load a configuration file stored on a Trivial File Transfer Protocol (TFTP) server into the running configuration. copy running-config tftp – store the running configuration on a TFTP server. INTERNSHIP REPORT 14 IP Address Configuration Take the following steps to configure the IP address of an interface. Step 1: Enter privileged EXEC mode: Routerenable password Router#config terminal Example: Example, Step 2: Enter the configure terminal command to enter global configuration mode. Step 3: Enter the interface type slot/port (for Cisco 7000 series) or interface type port (for Cisco 2500 series) to enter the interface configuration mode. Step 4: Enter the IP address and subnet mask of the interface using the ip address ipaddress subnetmask command. Step 5: Exit the configuration mode by pressing Ctrl-Z Router(config-if)#[Ctrl-Z Router (config-if)#ip address 192. 168. 10. 1 255. 255. 255. 0 Router (config)#interface ethernet 0/1 II. III. NETWORK LAYER II. III. 1. OVERVIEW OF NETWORK LAYER INTERNSHIP REPORT II. III. 2. CISCO HIERARCHIAL LAYER 15 Hierarchy has many of the same benefits in network design that it does in other areas of life. When used properly, it makes networks more predictable. It helps us define at which levels of hierarchy we should perform certain functions. Likewise, you can use tools such as access lists at certain levels in hierarchical networks and avoid them at others. large networks can be extremely complicated, with multiple protocols, detailed configurations, and diverse technologies. Hierarchy helps us summarize a complex collection of details into an understandable model. Then, as specific configurations are needed, the model dictates the appropriate manner to apply them. The Cisco hierarchical model can help you design, implement, and maintain a scalable, reliable, cost-effective hierarchical internetwork. The following are the three layers: ? ? ? FIGURE 3 : CISCONHIERARCHIAL Each layer has specific responsibilities. However, that the three layers are logical and are not necessarily physical devices. Consider the OSI model, another logical hierarchy. The seven layers describe functions but not necessarily protocols. Now, let’s take a closer look at each of the layers. II. III. 3. CORE LAYER the core layer is responsible for transporting large amounts of data quickly The Core layer or Backbone The Distribution layer The Access layer and reliably. The designer must ensure that the core layer is designed with fault tolerance, especially because all users in the network can be affected by a failure. The ability to avoid unnecessary delays INTERNSHIP REPORT in network traffic quickly becomes a top priority for the network designer. What Happens at the Core Layer? 16 The core layer is sometimes called the network backbone. Routers and switches at the core layer provide high-speed connectivity. In an enterprise LAN, the core layer, shown in Figure 1-7, may connect multiple buildings or multiple sites, and may provide connectivity to the server farm. Goals of the Core Layer The core layer design enables the efficient, high-speed transfer of data between one section of the network and another. The primary design goals at the core layer are as follows: – Provide 100% uptime. -Maximize throughput. -Facilitate network growth. Core Layer Technologies Technologies used at the core layer include the following: – Routers or multilayer switches that combine routing and switching in the same device -Redundancy and load balancing – High-speed and aggregate links II. III. 4. DISTRIBUTION LAYER The distribution layer is sometimes referred to as the workgroup layer and is the major communication point between the access layer and the core. The primary function of the distribution layer is to provide routing, filtering, and WAN access and to determine how packets can access the core, if needed. The distribution layer must determine the fastest way that network service requests are handled; for example, how a file request is forwarded to a server. After the distribution layer determines the best path, it forwards the request to the core layer. The core layer then quickly transports the request to the correct service. II. III. 5. ACCESS LAYER The access layer controls user and workgroup access to internetwork resources. The access layer is sometimes referred to as the desktop layer. The network resources most users need will be available locally. The distribution layer handles any traffic for remote services. INTERNSHIP REPORT The following are some of the functions to be included at the access layer: ? ? ? 17 Technologies such as DDR and Ethernet switching are frequently seen in the access layer. Static routing is seen here as well. As already noted, three separate levels does not imply three separate routers. It could be fewer, or it could be more. Remember, this is a layered approach. II. IV. NETWORK DESIGN CONCEPT My second part of my internship dealt with network design concept. In this I have been able to read different theories of network design from eBooks downloaded from the internet, doing exercises on subnetting, VLSM and VLANs and finally I had opportunity to do some practices on network documentation and laboratories on virtual LAN. II. IV. 1. THEORIES ON NETWORK DESIGN Designing a network for a better performance of data access and resource sharing of any institution is an extremely important thing to consider. I learned different concept of designing a network whether by reading eBooks or discussing it with my supervisor. A good network design is composed of four parts in general: Continued access control and policies Creation of separate collision domains Workgroup connectivity into the distribution layer through layer 2 switching Identification of customer’s needs and goals: In this part you deal with identifying business goals and technical requirements which include the task of characterizing the existing network, analysis of the network traffic. Logical network design: Here, it’s all about developing a network topology. During this phase, you devise a network layer addressing model, and selects switching and routing protocols. It also includes security planning, network management design. Finally you make a study of the service provider on how he can meet your WAN and remote access requirements Physical network design: The physical design phase deals with specific technologies and products to realize the logical design. It starts with the selection of technologies and devices for campus networks that includes cabling, Ethernet switches, wireless access points, wireless bridges, and routers. There is also a selection of technologies and devices for remote-access and WAN needs. INTERNSHIP REPORT Testing, Optimizing and Documentation: The final step is to write and implement a test plan, build a prototype or pilot, optimize the network design, and document your work with a network design proposal. If your test results indicate any performance problems, then during this phase you have to update your design to include such optimization features. 18 In all this different network design steps, I have been able to do some practices on logical network design where I did exercises on subnetting, VLAN as network management requires it. II. IV. 2. OVERVIEW VIRTUAL LOCAL AREA NETWORK (VLAN) Definition A VLAN (Virtual Local Network) is a logically separate IP subnetwork. VLANs allow multiple IP networks and subnets to exist on the same-switched network. A VLAN is a logical broadcast domain that can span multiple physical LAN segments. It allows an administrator to group together stations by logical function. A VLAN has three major functions: i. Limits the size of broadcast domains ii. Improves network performance ii. Provides a level of security Security – Security of sensitive data are separated from the rest of the network, decreasing the chances of confidential information breaches. Advantages of VLAN: Higher performance – Division of Layer 2 networks into multiple logical workgroups (broadcast domains) reduces unnecessary traffic on the network and boosts performance. Cost reduction – Cost savings result from less need for expensive network upgrades and more on this network. Types of VLAN There are different types of VLANs. The type of network traffic they carry defines a particular type of VLAN and others INTERNSHIP REPORT 9 names due to the type or a specific function the VLAN performs. The following describes common VLAN: Default VLAN At the initial boot up of the switch, All switch ports become a member of the default VLAN, which makes them all part of the same broadcast domain. This allows any network device connected to any of the switch port to communicate with other devices on other switch po rts. On Cisco switches the default VLAN is VLAN 1. VLAN 1 has all the features of any VLAN, except that you cannot rename or delete it. Data VLAN A data VLAN that can also be referred to as user VLAN. This is configured to carry only usergenerated traffic. The importance of separating user data from other type of VLAN is proper switch management and control. Native VLAN A native VLAN is assigned to trunk port. An trunk port supports traffic coming from many VLANs as well as traffic that do not come from a VLAN. The trunk port places untagged traffic (traffic that does not come from a VLAN) on the native VLAN. In summary, the native VLAN observes and identifies traffic coming from each end of a trunk link. Management VLAN A management VLAN is any VLAN you configure to access the management capabilities of a switch. Your configured management VLAN is to be assign with an IP address and subnet mask. Any of a switch VLAN could be configured as the management VLAN if you has not configured or define a unique VLAN to serve as the management VLAN. In some cases, a network administrator proactively defines VLAN 1 as the management VLAN; this enables a loophole for an unauthorized connection to a switch. Voice VLAN Voice VLAN is configured to carry voice traffic. Voice VLANs are mostly given transmission priority over other types of network traffic. Communication over the network is not complete without phone calls. More calls are made over the network than other forms of a message transmission. Sending emails and text messages are also forms of inter-relations but listening to a real voice provides legitimacy and assurance. SOME EXAMPLE OF VLAN INTERNSHIP REPORT There I was design a network that are composed with 1 router ,2 switch ,6machine. 20 And each switch have 3 computer . one switch to three machine . on the network we have default vlan ,native vlan ,management vlan. Management vlan can control other machine on network. this network have the vlan and trunk . e have design it by using a outils that called packet tracer FIGURE 4: DESIGN OF A NETWORK Example of same machine i ping Machine ip 196. 168. 40. 105 are pinging a switch3 ip address 196. 168. 40. 106 INTERNSHIP REPORT 21 FIGURE 5 : Command Prompt INTERNSHIP REPORT 22 II. IV. 3. ROUTER PASSWORD RECOVERY 1. Connect the router to the PC using a console cable/port. 2. Open an emulation software (Hyper Terminal or Terra Term or Secure C RT, Putty) + setup (Com port and bits=9600, etc. ) 3. Switch on the router HOLDING DOWN CTRL + BREAK (keys) a. The router will boot and display the ROMMON prompt (Rommon;) 4. Type the CONFREG command to view current status 5. Change the configuration register (this is a hexadecimal number that tells the IOS where to fetch the configuration file. 0x142 bypasses the NVRAM contents, 0x2102 gets the configuration file from the NVRAM) a. Rommon;confreg 0x142 b. Reset (reboot i. e. power-cycle the router) The router will boot in normal but asking for a new configuration. 6. Router; (after saying NO to the configuration wizard) 7. Go to privilege mode (enable) and copy the startup-config to the running-config (Router#copy startup-config running-config). This will load the configuration with an unkown password back to RAM). 8. As you are already in privilege, the unkown password won’t prevent you from changing the configuration. You can now change the privilege password (LAB#config t ; LAB(config)#enable secret cisco). Also change the console and vty passwords. 9. Change the configuration register back to 0x2102 (LAB(config)# config-register 0x2102) then reload (in privilege mode). 10. Save your configuration. (LAB#copy running-config startup-config or write memory ~ wr) INTERNSHIP REPORT How to cite Kalimunda Hakim Internship Report 2012, Papers