單項選擇題

The key lengths for DES and 3DES， respectively， are：（）

A. 128 bits and 256 bits
B. 128 bits and 384 bits
C. 1024 bits and 3072bits
D. 64 bits and 192 bits
E. 56 bits and 168 bits
F. 128 bytes and 384 bytes

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多項選擇題

Which algorithms did TKIP add to the 802.11 specification？（）

A. key mixing
B. AES-based encryption
C. anti-replay sequence counter
D. message integrity check
E. cyclic redundancy check

多項選擇題

Whenever a failover takes place on the ASA （configured for failover）， all active connections are droppedand clients must re-establish their connections unless：（）

A. The ASA is configured for Active-Standby failover.
B. The ASA is configured for Active-Activefailover.
C. The ASA is configured for Active-Active failover and a state failover link has been configured.
D. The ASA is configured for Active-Standby failover and a state failover link has been configured.
E. The ASA is configured to use a serial cable as the failover link.
F. The ASA is configured for LAN-Based failover

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The key lengths for DES and 3DES， respectively， are：（）

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Which algorithms did TKIP add to the 802.11 specification？ （）

Whenever a failover takes place on the ASA （configured for failover）， all active connections are droppedand clients must re-establish their connections unless： （）

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The key lengths for DES and 3DES， respectively， are：（）

Which algorithms did TKIP add to the 802.11 specification？（）

Whenever a failover takes place on the ASA （configured for failover）， all active connections are droppedand clients must re-establish their connections unless：（）