3.5 Wireless Security Technologies CCIE-SECURITY Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Why is TKIP considered a transitional protocol?

   • AIt was designed to allow existing WEP hardware to be upgraded with a firmware update
   • BIt is the only encryption protocol supported by WPA3
   • CIt was designed to be used permanently in all Wi-Fi networks
   • DIt provides stronger security than AES
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   What is a known security weakness of TKIP?

   • AIt uses a 64-bit key, which is too short
   • BIt is susceptible to offline dictionary attacks
   • CIt does not provide any encryption
   • DIt is vulnerable to packet injection attacks due to weaknesses in the Michael MIC
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   What is the Advanced Encryption Standard (AES)?

   • AA hash function used for message integrity
   • BA stream cipher used for wireless encryption
   • CA symmetric block cipher that encrypts data in fixed-size blocks
   • DAn asymmetric encryption algorithm used for key exchange
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   In which mode is AES used in WPA2 and WPA3 for wireless encryption?

   • AOutput Feedback (OFB)
   • BCounter Mode with CBC-MAC (CCMP)
   • CCipher Block Chaining (CBC)
   • DElectronic Codebook (ECB)
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   What does the CBC-MAC component of AES-CCMP provide?

   • AConfidentiality of data
   • BKey derivation
   • CCompression of data
   • DIntegrity and authentication of the data
   Reveal Solution Discussion Select an answer first