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Question 1
(a) Explain briefly the following terms as used in network security:
(i) Denial of service (DoS) attack
(ii) Birthday attack
(iii) DeMilitarized Zone (DMZ)
(iv) Social Engineering
(v) Pretty Good Privacy (PGP) algorithm
(b) (i) List three benefits of using IPSec.
(c) Briefly explain the Cipher Block Chaining (CBC) mode of operation stating its advantages, disadvantages and uses.
(d) Describe five guidelines for a desirable password selection and use policy in a corporate organisation.
Problem: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
INFORMATION SECURITY POLICY PRACTICES AND STANDARDS Management from all the communities of interest should consider policies as basis for all information security efforts. Polic
What is the use of it
ARP MESSAGE FORMAT Although the ARP data packet format is sufficiently general to allow hardware addresses and arbitrary protocol. ARP is almost usually used to bind a 32-bit
ADVANCED RESEARCH PROJECT AGENCY (ARPA) The efforts of ARPA was to active all its research groups have accept to new era computers. For this purpose ARPA started investing in wa
What is the concept of topology?
(a) Define what you understand by the following terms in Network Flows: i) UnDirected Path ii) Directed Path iii) Directed Cycle. iv) Tree In each of the above, expla
Sometimes the special character may see in data and as a part of data they will be misinterpreted as packet data. The solution to this cause is Byte stuffing. In general to
Feasibility Studies Before deciding on strategy, all information of economic or non economic consequences of vulnerability of information asset should be explored. A number of w
You are provided with 3000 sample keystrokes for 5 users mentioned above. You can find this data using the ‘Lab 2 User Data' link in the ‘Lab 2' folder on Blackboard. Please note t
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