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(a) Mention the five main security services.
(b) What is a passive attack? Give an example of passive attack?
(c) What four types of active attacks and mention their respective attacks to which security services?
(d) Distinguish between authentication and non-repudiation.
(e) Which type of algorithms can be used to provide the following security services:
i. Message integrity
ii. Message integrity and authentication
(f) Describe how public key cryptography can be used to provide message confidentiality when Alice wants to communicate with Bob.
You are free to design the format and structure of the routing table kept locally by each node and exchanged among neighboring nodes. 1. Upon the activation of the program, each
Five years ago, Calgary Kids' Cloth Ltd was just a small retail store in downtown Calgary. The company started their own factory in SE Calgary to produce outdoor clothes for kids.
What do you understand by the term encryption? Also describe the public key cryptography Encryption: Encryption is a method of converting plain text into cipher text. Using thi
which security protocols are predominantly used in web-based e-commerce
Question: a) You are using Active Directory Users under Windows Server 2003 and Computers to configure user objects in your domain, and you are able to change the address and
(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
What is the function of key secrecy and algorithm secrecy in security? Algorithm Secrecy is explained as follows: ‘Algorithm secrecy’ is a method of keeping an algorithm
PACKETS: Packet is a generic word that define to small code of data. Packet have different format. Each hardware needs different packet format. FRAME: A hardware frame or
FRAGMENT IDENTIFICATION: IDENT field in every fragment matches IDENT field in real datagram. Fragments from different datagrams may arrive out of order and still be saved out.
POINT-TO-POINT: In Point-to-Point topology there are two kind of topologies. 1) STAR topology 2) TREE topology In star topology each and every computer is connect
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