212-81v3 Practice Test

212-81v3 Practice Test practice questions, page 2 of 3, with answer review and explanations.

Question 6

Ferris has been assigned the task of selecting security for his company’s wireless network. It is important that he pick the strongest form of wireless security. Which one of the following is the strongest wireless security?

  1. WEP
  2. TKIP
  3. WPA2
  4. WPA

Question 7

Tom is explaining historical cryptography to a class of security students. Which of the following ciphers is a subset of the Vigenère cipher?

  1. Scytale
  2. Caesar
  3. Blowfish
  4. Atbash

Question 8

What is a variation of DES that uses a technique called Key Whitening?

  1. AES
  2. 3DES
  3. DESX
  4. Blowfish

Question 9

While many companies are working on quantum computing, what is the current biggest challenge?

  1. Processing speed
  2. Decoherence
  3. Funding
  4. Power needs

Question 10

Which of the following techniques is used (other than brute force) to attempt to derive a key?

  1. Password cracking
  2. Cryptography
  3. Hacking
  4. Cryptanalysis