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Dit 407: Network Design And Setup Question Paper

Dit 407: Network Design And Setup

Course:Information Technology

Institution: Kca University question papers

Exam Year:2013

INSTRUCTIONS: Answer Any Three Questions
QUESTION ONE
a) Ethernet is now the dominant LAN technology in the world. Ethernet is not one technology but a family of LAN technologies
i. State four reasons why Ethernet has become successful (4 Marks)
ii. Explain why Ethernet is considered scalable (2 Marks)
b) Explain why Token Ring is collisionless (2 Marks)
c) As a network evolves and grows, it becomes a more critical and indispensable resource to the organization. Loss of network resources and poor performance are results of increased complexity and are not acceptable to the users. State any six duties of a network manager (6 Marks)
d) Describe four guide lines for creating effective network documentation (4 Marks)
e) What is the drawback of building redundancy into a network (2 Marks)
QUESTION TWO
a) Explain any five routing metrics used by routing protocols to determine the best path for a packet (5 Marks)
b) Troubleshooting is a process that allows a user to find problems on a network. Explain briefly the steps to follow in a structured approach to troubleshooting a network (6 Marks)
c) The first step in designing a LAN is to establish and document the goals of the design. These goals are unique to each organization or situation. Explain the major design goals usually seen in most network designs. (4 Marks)
d) Describe the half- duplex (CSMA/CD) access method. (5 Marks)
QUESTION THREE
a) Explain briefly the concept of intranets and extranets (4 Marks)
b) Define the following terminologies as used in computer networks
i. Metropolitan Area Network (MAN) ( 1 Mark)
ii. Virtual Private Network (VPN) ( 1 Mark)
iii. Throughput ( 1 Mark)
iv. Packet( 1 Mark)

c) Describe briefly
i. Peer-to-peer networks (2 Marks)
ii. Client/server networks (2 Marks)
d) List any four factors that can determine throughput (4 Marks)
e) State any four uses for a “crossover cable”. (4 Marks)
QUESTION FOUR

a) Describe the steps a client goes through to get an IP address from a DHCP server ( 6 Marks)
b) Describe simplex,half-duplex and full duplex transmission. (6 Marks)
i. Define the term convergence as used in computer networks ( 1 Mark)
ii. Converged networks have existed for a while now, but were only feasible in large enterprise organizations . Why? (4 Marks)
c) Explain briefly three functions of routers (3 Marks)
QUESTION FIVE
a) State the port numbers for each of the following protocols
i. HTTP ( 1 Mark)
ii. Telnet ( 1 Mark)
iii. FTP ( 1 Mark)
iv. DNS ( 1 Mark)
v. SMTP ( 1 Mark)

b) Explain the considerations given in the placement of servers ( 4 Marks)
c) Give the functions or applications of the following network troubleshooting commands
vi. Hostname ( 1 Mark)
vii. Ipconfig/all ( 1 Mark)
viii. Ping ( 1 Mark)
ix. Tracert ( 1 Mark)
x. Nslookup ( 1 Mark)

d) Explain ay three costs that can be attributed to poor cabling (6 Marks)

Dit 407: Network Design And Setup Question Paper

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