Question:

(a) Explain the following security services: Confidentiality, Availability.

(b) Which attack will be used to bypass even the best physical and logical security mechanisms to gain access to a system?

(c) A server on your network will no longer accept connections using the TCP protocol. The server shows that it has exceeded its session limit. Which type of attack is probably occurring?

(d) Comment on the following statement: "When determining the risk posed by a threat, external threats are more dangerous than internal threats."

(e) Types of defenses that will be used to ensure network security.

(f) What is a "backdoor"?