What are intrusion detection systems, Computer Networking

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Question :

a) Give three examples of vulnerable services which are among the overwhelming majority of successful attacks.

b) Name the five outside sources which can be the cause of the DoS attack.

c) Distinguish between Denial of Service (DoS) and Distributed Denial of Service (DDoS).

d) Give two advantages and two disadvantages of 3DES.

e) What are Intrusion Detection Systems?


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