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Ics2306:Computer Networks Question Paper
Ics2306:Computer Networks
Course:Computer Science
Institution: Meru University Of Science And Technology question papers
Exam Year:2012
DATE: AUGUST 2013 TIME: 2 HOURS
INSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – 30 MARKS
a. Difference between the following terms: (4 Marks) i. Peer to peer and Client server architectures ii. Half duplex and full duplex
b. Given the IP address 172.16.83.20/28, what is the network address? (2 Marks) c. Explain the following considerations with regards to design of a network: (6 Marks) i. Scalability ii. Adaptability iii. Manageability
d. What is the role of standards in networking? List any two examples. (4 Marks) e. What is a hotspot? Briefly explain how it is set up. (4 Marks) f. Briefly discuss three considerations when subscribing for an internet connection. (3 Marks) g. Discuss the role of SNMP in networks. (4 Marks) h. Explain three benefits of a computer network. (3 Marks)
QUESTION TWO – 20 MARKS
a. Using appropriate examples, discuss the four main elements of a network. (8 Marks) b. Explain the nature of information delivered in response to a DHCP request. (3 Marks) c. What is meant by the phrase “converged data network?” List two examples of components in such an environment. (4 Marks) d. What is the role of the OSI model in network? Briefly discuss the functionality relating to any three layers. (5 Marks)
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QUESTION THREE – 20 MARKS
You have recently joined the ICT staff team of a leading institution of higher education. Plans are in place to set up a wireless network for use by staff and students.
i. What motivates the setting up of wireless networks? (5 Marks) ii. What wireless networking standard would you recommend for this institution and why? (3 Marks) iii. Using a diagram, show the components and topology of how the wireless network will be set up. (10 Marks) iv. Discuss two strategies adopted to enhance security of wireless networks. (2 Marks)
QUESTION FOUR – 20 MARKS
You have been appointed as the ICT director of Meru county and tasked with the responsibility to plan, design and implement a computer network for the country governments offices:
a. Discuss the consideration with regard to network planning: (8 Marks) i. Gathering users’ requirements and expectations ii. Analyzing requirements iii. Designing the access layer, distribution layer, and the core layer iv. Documenting the logical and physical network implementation b. Given the IP address 10.0.0.0/24, design an IP addressing scheme for the network based on the following requirements:
Subnet Network hosts Administration 60 Human Resource (HR) 20 Finance 5
QUESTION FIVE – 20 MARKS
a. What type of internet connection is shown below? Explain how it works. (6 Marks) b. Explain five applications or services available on the internet. (5 Marks) c. Using a diagram, explain how a network switch works. (5 Marks) d. Explain the following internet access technologies. (4 Marks) i. WiMax ii. Digital subscriber line iii. Leased line iv. Fibre to the Home (FTTH)
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