Tribhuwan University

Institute of Science and Technology

2081

Bachelor Level / Fourth Year / Eighth Semester / Science

Bachelors in Information Technology (BIT451)

(Network and System Administration)

Full Marks: 60

Pass Marks: 24

Time: 3 Hours

Candidates are required to give their answers in their own words as for as practicable.

The figures in the margin indicate full marks.

Section A

Long Answers Questions

Attempt any TWO questions.
[2*10=20]
1.
Explain job scheduling with Cron and Crontab. Briefly explain about Linux server installation.[10]
2.
Illustrate the concept of IP-based virtual hosting. How is it carried out? What are its advantages?[10]
3.
What do you understand by Firewall? Why is it required? Differentiate between packet-level and application-level firewall.[10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
How do you think classless Inter-Domain Routing improves the efficiency of address distribution? Explain. [5]
5.
How is server monitoring and management carried out? Why is it carried out? [5]
6.
What is SMTP relay and how does it work? [5]
7.
Elaborate FTP principles. How does anonymous FTP work? [5]
8.
What do you understand by bandwidth management? Explain. [5]
9.
Explain the concept of DNS zone transfer with an example. [5]
10.
List three common DHCP options and explain any one. [5]
11.
Briefly explain about SDN controller. [5]
12.
Write short notes on: (a) Multicast (b) IPv4 [5]