Course Code : CST-303 Course Title : Information System Security Assignment No. : CST-303/Project/2006 Maximum Marks : 15

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Nov 21, 2013 (3 years and 6 months ago)

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Course Code

:

CST
-
303

Course Title

:

Information System Security

Assignment No.

:

CST
-
303/Project/2006

Maximum Marks

:

15




Q.No.1

What do you understand by ‘
authorisation
’ and ‘
cryptography
’ in context
of computer system security? In this
context or otherwise, explain the
following terms:

(i)

Digital Signature System

(ii)

Spoofing

(iii)

Kerberos

(iv)

RSA encryption

(6 Marks)


Q.No.2

A new university has installed a LAN and desires to connect it to the
Internet. However, the university administration has just

heard of ‘Virus’,
but are otherwise ignorant about it and are apprehensive of connecting
their LAN to Internet, as it feels the possibility of its LAN being infected
through Internet. Explain in detail to the administration about various
facts/issues a
bout ‘virus’

what it is, how it spreads, what are its potential
areas of infection, what are specific viruses, what are preventive measures
against viruses? And further if LAN is infected then explain possible
treatments.

(9 Marks)




















Cou
rse code



CST
-
303

Course Title



Information System Security

Assignment Number


CST303/TMA/2006

Maximum Marks


10

Late date





This is a Tutor Marked Assignment. There are two questions in this assignment. Attempt
all questions. You may use illustrations

and diagrams to enhance explanations.



Q.No.1

In context of ‘Computer System Security’ discuss

(i)

Two fundamental principles of cryptography

(ii)

Kerchoffs Principle

(5 Marks)


Q.No.2

In context of abuses of electronic access, discuss the following terms:

(i)

Denial

of Service

(ii)

Electronic Eavesdropping

(iii)

Spoofing

(iv)

Masquerading

(v)

Trojan Horse


(5 Marks)