UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR THE DEGREES OF BACHELOR OF INFORMATION
SECURITY AND FORENSICS
BISF 2207: NETWORK SYSTEMS ADMINISTRATION
FULLTIME/ PART TIME/DISTANCE LEARNING
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: QUESTION ONE IS COMPULSORY, CHOOSE TWO OTHER
QUESTIONS
QUESTION ONE (20 Marks) Compulsory
a) Define the following networking terminologies:
i) Bandwidth [2 Marks]
ii) Throughput [2 Marks]
iii) Latency [2 Marks]
b) Define socket pairs and their role in network communication. [4 Marks]
c) Explain the following command line tools:
i) Ping [2 Marks]
ii) Tracert/Traceroute [2 Marks]
iii) nslookup [2Marks]
d) Explain the communication process between a DHCP client and a DHCP server in obtaining
an IP address, subnetmask, default gateway and DNS server details.
[4Marks]
QUESTION TWO (15 Marks)
a) Distinguish between layer 2 and layer 3 devices. [5 Marks]
b) Outline and explain each of the layers in the TCP/IP model [10 Marks]
QUESTION THREE (15 Marks)
a) Identify and explain the two main types of Network Operating systems and give examples of
each. [5 Marks]
b) Explain the features of NOS as found in a networked environment. [10Marks]
QUESTION FOUR (15 Marks)
a) Highlight the main tasks associated with network administration. [5Marks]
b) Subnet the IP address 192.168.10.0/24 to come up with an address scheme that can support at
least 60 users. (Show your working process)
[10Marks]
i. Determine the new subnet mask that will apply for the networks.
ii. Identify how many subnets will be available.
iii. Identify how many useable IPs will be in each subnet.
