Q. In the _______ mode, IPSec protects the whole IP packet, including the original IP header.

  • (A) transport
  • (B) tunnel
  • (C) either (a) or (b)
  • (D) neither (a) nor (b)
πŸ’¬ Discuss
βœ… Correct Answer: (B) tunnel

Q. An HTTP connection uses port _________ whereas HTTPS uses port ____________ and invokes SSL

  • (A) 40; 80
  • (B) 60; 620
  • (C) 80; 443
  • (D) 620; 80
πŸ’¬ Discuss
βœ… Correct Answer: (C) 80; 443

Q. A digital Signature is

  • (A) a bit string giving identity of a correspondent
  • (B) a unique identification of a sender
  • (C) an authentication of an electronic record by trying it uniquely to a key only a sender knows
  • (D) an encrypted signature of sender
πŸ’¬ Discuss
βœ… Correct Answer: (C) an authentication of an electronic record by trying it uniquely to a key only a sender knows

Q. A ___________ is an extension of an enterprise’s private intranet across a public network such as the internet, creating a secure private connection.

  • (A) vnp
  • (B) vpn
  • (C) vsn
  • (D) vspn
πŸ’¬ Discuss
βœ… Correct Answer: (B) vpn

Q. A digital signature needs a

  • (A) private-key system
  • (B) shared-key system
  • (C) public-key system
  • (D) all of them
πŸ’¬ Discuss
βœ… Correct Answer: (C) public-key system

Q. Pretty good privacy (PGP) is used in ______

  • (A) browser security
  • (B) email security
  • (C) ftp security
  • (D) wifi security
πŸ’¬ Discuss
βœ… Correct Answer: (B) email security

Q. What is necessary for a cross-site script attack with cookies to be thwarted

  • (A) captchas
  • (B) virtual machines
  • (C) proxies
  • (D) firewalls
πŸ’¬ Discuss
βœ… Correct Answer: (A) captchas

Q. The _______ mode is normally used when we need host-to-host (end-to-end) protection of data.

  • (A) transport
  • (B) tunnel
  • (C) either (a) or (b)
  • (D) neither (a) nor (b)
πŸ’¬ Discuss
βœ… Correct Answer: (A) transport

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