Network Security/Web Security BS University Of Sargodha (UOS) 2023
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statinic.
University of Sargodha
BS 70 Term Examination 2023
Paper: Data & Netvork Security (T1-4541 /TT-4542)
Maximum Marks: 80
Q.1.
Objective Part (Compulsory)
Write short answers of the following in 2-3 lines cach on your answer sheet.
L.
ii.
itt.
iv.
What is IPS?
What is hoax?
Define digital signature?
Define intruder.
Which three functional areas can be connected to a firewall?
Vi.
vii.
vili.
Name three reasons why a company should have a security policy.
What is avalanche effect?
What can be done on a web server to make it more secure against intruders?
What is DAC?
X.
Define threat.
Name three types of VPN solutions?
What is bottleneck problem?
XIl.
xiii.
xiv.
XV.
xVi.
Define active and passive attacks?
Name different methods used for defense?
What is role of certification authority?
What is passive attack?
(2*16)
Subjective Part
CO 19*16)
Q.2.
0.3.
0.4.
0.5.
Q.6.
Explain the role of CIA model in crypfography.
Write short note on following:
i Substitution Cipher
ii. Transposition Cipher
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What is CBAC used for when it is configured on a router? Explain functions of CBAC. Explain
five tasks to configure CBAC.
What are Intrusion Detection Systems (IDS)? Explain Signature based IDS, Policy based IDS, host
bused IDS, Network based IDS and PIX based IDS
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