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Problem
(a) Distinguish between passive and active attacks.
(b) Give two reasons why it is important to organise security awareness programs for users.
(c) Describe how symmetric cryptography provides
i. confidentiality ii. authentication.
(d) What are the two types of operations used by symmetric cryptography?
(e) Justify Kerchoff's principle.
(f) Which cryptanalytic attack is almost always theoretically feasible?
(g) Mention the four requirements that have to be satisfied for the one-time pad algorithm to provide unconditional security.
(h) Why is it that the one-time-pad algorithm provides unconditional security?
UDP COMMUNICATION SEMANTICS: UDP needs IP for all delivery, that is, similar best effort delivery as IP. To use UDP, an application have to either be immune to the causes or
Risk Identification Risk management comprises of identifying, classifying and prioritizing organization’s information assets, threats and vulnerabilities also. Risk Identificati
QUESTION a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a segment. Give the source MAC address in hexadecimal; the source IP address, the uppe
Please see attached file
Techniques for combating Spam mails Many anti spam products are commercially available in market. But it should also be noted that no one technique is a complete solution to
(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
Problem (1) - Alice, Bob and Charlie have a secret key a=3, b=4, c=5, respectively. - They want to find a common secret key using Diffie-Hellan key exchange protocol (with g
Problem 1 . Show various features of a 1G network Total three features for each feature of 1G Problem 2. Describe how a cellular network works with functional block diagram
Normal 0 false false false EN-US X-NONE X-NONE
i have an idea of clustering in wsns . where each and every sensor node use the reputation scheme and while clustering provide help against the selfishness atatck of the sensor nod
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