BIT 8th Semester
Network and System Administration Board Question Paper 2081

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BIT 451-2081 ✡

Tribhuvan University

Institute of Science and Technology

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Bachelor Level/Fourth Year/Eight Semester/Science
Bachelors in Information Technology (BIT 451)
(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 far as practicable.
The figures in the margin indicate full marks.

Section A
Long Answer Questions
Attempt any Two questions.
[2x10=20]
1.

Explain job scheduling with Cron and Crontab. Briefly explain about Linux server installation.

2.

Illustrate the concept of IP-based virtual hosting. How is it carried out? What are its advantages?

3.

What do you understand by Firewall? Why is it required? Differentiate between packet-level and application-level firewall.

Section B

Attempt any Eight questions

[8×5=40]
4.

How do you think classless Inter-Domain Routing improves the efficiency of address distribution? Explain.

5.

How is server monitoring and management carried out? Why is it carried out?

6.

What is SMTP relay and how does it work?

7.

Elaborate FTP principles. How does anonymous FTP work?

8.

What do you understand by bandwidth management? Explain.

9.

Explain the concept of DNS zone transfer with an example.

10.

List three common DHCP options and explain any one.

11.

Briefly explain about SDN controller.

12.

Write short notes on:
(a) Multicast
(b) IPv4