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多項選擇題

Which two wireless encryption methods are based on the RC4 encryption algorithm?（）

A.WEP
B.CCKM
C.AES
D.TKIP
E.CCMP

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多項選擇題

Which two features did WPAv1 add to address the inherent weaknesses found in WEP?（）

A. a stronger encryption algorithm
B. key mixing using temporal keys
C. shared key authentication
D. a shorter initialization vector
E. per frame sequence counters

多項選擇題

Which three options are valid WAN connectivity methods?（）

A.PPP
B.WAP
C.HDLC
D.MPLS
E.L2TPv3
F.ATM