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(a) Show four Network Security attacks. How do they compromise security?
(b) In what ways do the following devices or services contribute to security:
(i) Firewall (ii) Intrusion Detection System (IDS) (iii) Secure Socket Layer (SSL)
(c) What are the objectives of access control? Give four examples of such systems.
(d) An attacker has the intention of disrupting secure communications by inserting bogus packets in the channel. Discuss how such an attack would succeed in systems protected by IP Sec and SSL.
ADDRESS RESOLUTION WITH CLOSED-FORM COMPUTATION For networks use reliable addressing, it is possible to select an address that creates closed-form address resolution possible.
(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
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Broadcasting is the distribution of video and audio content to a whole audience via any audio or visual mass communications medium, but generally one using electromagnetic radiat
(a) Describe briefly the difference between flow control and congestion control in relation to a connection-oriented protocol such as TCP. (b) What is the initial rate of data
IPV6 NEXT HEADER It is given in the figure below:
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TCP and UDP End-to-end delivery application is connection less. The basic function of connectionless service are as given: It adds extension of LAN abstraction. It has simp
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