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Computer Networks Question Paper

Computer Networks

Course:Bachelor Of Science Computer Science

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2012

MASINDE MULIRO UNIVERSITY OF
SCIENCE AND TECHNOLOGY
(MMUST)
THIRD YEAR SECOND SEMESTER EXAMINATION
FOR THE DEGREE OF BSC
IN COMPUTER SCIENCE & BSC INFORMATION TECHNOLOGY

COURSE CODE: CSC322
COURSE TITLE: COMPUTER NETWORKS
Instruction to candidates
Answer QUESTION ONE and ANY OTHER TWO.

QUESTION ONE [30MARKS]
a)What is computer network? [2marks]
b)What are the advantage of networking?[5marks]
c)state example of hardware device for each of the TCP/IP layer. [7marks]
d)State the principle that was applied to come up with the seven OSI layers. [5marks]
e)Define protocol and give three thing a protocol should achieve.[5marks]
f)What is the first valid host in the sub-network that the node 172.24.223.32.255.255.254.0 belongs to?[2marks]
g)what valid host range is the IP address 192.168.97.220/28 part of.[2marks]
h)Which subnet does host 10.161.68.129/20 belongs to?[2marks]

QUESTION TWO [20MARKS]
a)Compare virtual-circuit and datagram subnets[10marks]
b)Explain the IEEE 902 standards.[10marks]

QUESTION THREE [20MARKS]
a)Explain atleast three features of TCP [6marks]
b)What IP adress should one assign to a machine on private network?[4marks]
c)Define the following TCP/IP applications as used in networking?[10marks]
DHCP
DNS
FTP
HTTP
IMAP

QUESTION FOUR [20MARKS]
a)Define the bterm media as used in networking and give categories of guided media.[4marks]
b)How many subnets and host per subnet can you get from network 172.16.0.0/23[2marks]
c)What is broadcast address of network 172.17.200/21?[2marks]
d)Define the term standards and two broad categories of standards[4marks]
e)Discuss about standards in regard of the internet and international standards world?[8marks]

QUESTION FIVE [20MARKS]
a)What are the basic elements of the Ethernet system?[6marks]
b)Explain the OSI reference model in detail.[14marks]

Computer Networks Question Paper

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