单项选择题

A. Client sends Hello to Server listing all of its supp……

Which of the following are not steps in setting up aTLS session？（）

A. Client sends Hello to Server listing all of its supported cipher suites
B. Server sends Hello to Client listing all of its supported cipher suites
C. Client calculates and sends encryptedpre_master_secret
D. Client and Server calculate keys from pre_master_secret
E. Server sends Change Cipher Spec to indicate a shift to encrypted mode

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单项选择题PEAPprovidesauthenticationfortheEAPexchangeusing：（）

A. RC4
B. TLS
C. SSH
D. AES
E. 3DES

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A. Cisco SecurityAgent （CSA）
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D. A small Java Applet
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多项选择题Whichofthefollowingstatementsaretrue？（）

A. RC4 is a stream cipher
B. Stream ciphers require padding
C. AES is a block cipher
D. DES and 3DES are stream ciphers
E. AES is a stream cipher
F. AES， DES， and 3DES can be used as HMAC algorithms