单项选择题
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
相关考题
-
多项选择题
WhichalgorithmsdidTKIPaddtothe802.11specification？（）
A. key mixing
B. AES-based encryption
C. anti-replay sequence counter
D. message integrity check
E. cyclic redundancy check -
多项选择题
WheneverafailovertakesplaceontheASA（configuredforfailover），allactiveconnectionsaredroppedandclientsmustre-establishtheirconnectionsunless：（）
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 -
多项选择题
WhattwothingsmustyoudoontherouterbeforegeneratinganSSHkeywiththe"cryptokeygeneratersa"IOScommand？（）
A. Configure the SSH version that the router will use
B. Configure the host name of the router
C. Enable AAA Authentication
D. Configure the default IP domain name that the router will use
E. Enable SSH transport support onthe vty lines
