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Network Hardware And Configuration(Dcis 322) Question Paper

Network Hardware And Configuration(Dcis 322)

Course:Computer Information Systems And Business Information Technology

Institution: Kenya Methodist University question papers

Exam Year:2010

TIME : 2 HOURS
INSTRUCTIONS Answer All Questions in Section A and any Other TWO Questions in Section B

SECTION A

Question 1
a) Using the Internet as an example of an internet-work type of network, discuss the architecture of the network layer. (5marks)
b) To achieve communication between two remote computers, a complex set of rules is implemented. This is known as the ISO OSI model. Sketch the seven layers ISO OSI model and briefly describe the role of each of the seven layers. (8marks)
c) Discuss the sliding window techniques as a service of the Data Link Layer of the OSI Model (4marks)

Question 2
A routing protocol is a protocol that specifies how routers communicate with each other, disseminating information that enables them to select routes of any two nodes on a computer network, the choice of the route being done by routing algorithms. Discuss illustrating your answer with examples. (9marks)

Question 3
a) Briefly discuss the classification of connecting devices. (5marks)
b) What is routing? There are major factors that affect the decisions of routing algorithms, discuss these factors. (4marks)
c) A routing protocol uses metrics to determine which path to utilize to transmit a packet across an internetwork. Discuss the metrics used by routing proto (5marks)

SECTION B
Question 4
a) Give the difference between the Ethernet Frame and an IEEE802.3 frame (2marks)
b) In a LAN that uses CSMA/CD as the MAC technique, data collisions do occur. Describe the operation that takes place after a collision has occurred. (5marks)
c) Explain in details the operations of Packet Switched Networks and Circuit Switched Networks (5marks)
d) Describe any one algorithms used for routing using examples. (3marks)

Question 5
a) Discuss multiplexing techniques and state any two reasons for widespread use of multiplexing. (7marks)
b) Discuss how ISDN technology works, illustrating your answer with relevant examples (8marks)

Question 6
a) Briefly state the common transmission impairments experienced during data transmission. (3marks)
b) Give the difference between Broadband and Base band Transmission (1mark)
c) Frame Relay was designed to support the Broadband Integrated Services Digital Network
d) (B-ISDN). Discuss the technology behind this technique. (6marks)
e) Discuss the layers of the ATM protocol and briefly state any two characteristics of the ATM technology (5marks)

Network Hardware And Configuration(Dcis 322) Question Paper

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