Which two security features are associated with a wireless network employing 802.11i configured
as a Robust Security Network? (Choose two.)
A.
WEP
B.
AES-CCMP
C.
802.11x
D.
IPsec
E.
TKIP
F.
802.1x
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802.11i makes use of the Advanced Encryption Standard (AES) block cipher, whereas WEP and WPA use the RC4 stream cipher.
IEEE 802.11i enhances IEEE 802.11-1999 by providing a Robust Security Network (RSN) with two new protocols, the 4-Way Handshake and the Group Key Handshake. These utilize the authentication services and port access control described in IEEE 802.1X to establish and change the appropriate cryptographic keys.
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Wi-Fi Protected Access (WPA) was an early subset of 802.11i, whereas Wi-Fi Protected Access 2 (WPA2) is the full 802.11i implementation.
It defines:
Robust Security Network’s (RSN),
Advanced Encryption Standard (AES),
and Temporal Key Integrity Protocol (TKIP) encryptions.
http://www.ciscopress.com/store/ccie-wireless-exam-350-050-quick-reference-9780132168175
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It also provides two RSNA data confidentiality and integrity protocols, TKIP and CCMP, with implementation of CCMP being mandatory.
https://en.wikipedia.org/wiki/IEEE_802.11i-2004#Protocol_operation
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Should be B,E ??
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No, the correct answer is B and F.
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why ??
Please explain the correct answer
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