Cisy 331: Network Adminstration One Question Paper

Cisy 331: Network Adminstration One

Institution: Kenya Methodist University question papers

Exam Year:2010

FACULTY : SCIENCE AND TECHNOLOY

DEPARTMENT : CIS AND BIT

TIME : 2 HOURS

INSTRUCTIONS Answer Question ONE and any Other TWO Questions

Question 1

a) The TCP/IP model consists of four layers; name each layer and at least two protocols that operate on each layer? (4Marks)

b) What is the key function of a DHCP server? (2Marks)

c) What is the key function of WINS in a windows network? (2Marks)

d) List any four built in user groups in windows server 2003. (2Marks)

e) Distinguish between Dynamic and static IP addresses. (2Marks)

f) List and explain two issues that would cause a computer not to be able to access a network. (2Marks)

g) In communication media, we have the twisted pair cable. What are the two main reasons for having the wires twisted? (2Marks)

h) What are the two layers in which firewalls operate. (2Marks)

i) What is the key function of SNMP in the application layer of the OSI reference model? (2Marks)

j) List two and explain internet applications that make use of digital certificates. (2Marks) k) List and briefly explain the Remote Access protocols used in Windows 2003 Server. (4Marks) l) When multiple DNS servers are created in a standard DNS zone, there are two kinds of DNS database files: primary and secondary database files. Differentiate between the two. (2Marks)

m) Differentiate the crossover and straight through cable in regards to their usage. (2Marks)

Question 2

a) List and explain two reasons for the use NAT (Network Address Translation.). (5Marks) b) Describe the DHCP server IP assignment process in detail. (5Marks)

c) List and briefly give functions of the seven OSI reference layers. (5Marks)

Question 3

a) Explain how the following TCP/IP tools can be used for trouble shooting a network. Ipconfig,ping,tracert and pathping. (8Marks)

b) What are the three major components of NetBios. (3Marks)

c) Explain the procedure that allows for the functioning of WINS service. (4Marks)

Question 4

a) A Class C subnet mask, 255.255.255.192, subnet the network address 192.168.10.0 using the subnet mask

255.255.255.192.

192.168.10.0 = Network address

255.255.255.192 = Subnet mask

i) How many subnets? (1Mark)

ii) How many hosts per subnet? (2Marks)

iii) What are the valid subnets? (2Marks)

b) Briefly explain two reasons for having more than one NIC in a server. (4Marks)

c) What are the characteristics of Peer to peer networks? (2Marks)

d) Illustrate two scenarios in which firewalls can be deployed in a network that has access to the internet and briefly explain each. (4Marks)

Cisy 331: Network Adminstration One Question Paper

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