GPEN · Question #49
Which of the following protocols is the mandatory part of the WPA2 standard in the wireless networking?
The correct answer is C. CCMP. CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol) is the mandatory encryption protocol in the WPA2 standard. It is based on AES (Advanced Encryption Standard) with a 128-bit key, making it significantly more secure than its predecessor. TKIP was
Question
Which of the following protocols is the mandatory part of the WPA2 standard in the wireless networking?
Options
- ATKIP
- BARP
- CCCMP
- DWEP
How the community answered
(44 responses)- A11% (5)
- B2% (1)
- C82% (36)
- D5% (2)
Explanation
CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol) is the mandatory encryption protocol in the WPA2 standard. It is based on AES (Advanced Encryption Standard) with a 128-bit key, making it significantly more secure than its predecessor. TKIP was used in WPA (Wi-Fi Protected Access) and is only optionally supported in WPA2 for backward compatibility - it is NOT mandatory. WEP is an older, insecure protocol that predates WPA2. ARP (Address Resolution Protocol) is a Layer 2 network protocol completely unrelated to wireless encryption standards.
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