System and Network Administration BS 6 Semester/Term University Of Sargodha (UOS) 2021

University of Sargodha

18BSIT 29022

BS 6" Semester/Term Exam 2021

Subject: Informatioga echmology

Paper: System and Network Administration (IT-4511)

Time Alontade So Hours

Note: Objectise part is comprary. Ateny rohie questione from abjective part.

Maximum Marks: 80

Objective Part

(Compulsory)

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(2*16)

Q.1. Write short answers of the following in 2-3 lines each on your answer sheet.

i. How to Deny SSH Access to specific MAC?

il. What is port forwarding?

ill.

Define kernel.

iv. List some of variable names that are supported in the /etc/xinetd.conf file.

V.

Define cron service.

vi.

What is the process for Enabling/Disabling the Echo Service?

vil.

What is the difference between a Forest and a Tree?

vili.

What is SSH and what port does it use?

ix.

Explain Vim Command.

x.

What is the command to see the permissions of & file named filexyz in the directory?

xi.

Write down the Syntax for chattr command.

xii.

How many ways to setup Sticky Bit for a Folder?

xili.

Which command is used to filter data?

XiV.

Define init Daemon.

XV.

Define system.

xvi.

What are the Terminal Services?

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Q.2.

Q.3.

Q.4.

Q.5.

Q.6.

(b) Why would we virtualize the systems?

(e) What is DiS server? Explain DINS namespace/domain lovets with ge nip of invered tres

(a) What is GRUB? Explain the different versions GRUB. Also write down the stages of GRUB.

(b) Why we use re scripts? Also define the term LILO, Boot loader.

Write down the steps to install and configure Apache Server.

Write down the steps to configure FTP Server with commands.

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