200-301 Cisco Certified Network Associate (CCNA)

Which type of wireless encryption is used for WPA2 in preshared key mode?

  • A. AES-128
  • B. TKIP with RC4
  • C. AES-256
  • D. RC4
Answer: Option C.
Explanation: 

Section: Security Fundamentals
Explanation:
We can see in this picture we have to type 64 hexadecimal characters (256 bit) for the WPA2 passphrase so we can deduce the encryption is AES-256, not AES-128.

Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/67134-wpa2-config.html

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