單項(xiàng)選擇題

Regarding constructing a good encryption algorithm， what does creating an avalanche effect indicate？（）

A.Altering the key length causes the ciphertext to be completely different
B.Changing only a few bits of a ciphertext message causes the plain text to be completely different
C.Altering the key length causes the plain text to be completely different
D.Changing only a few bits of a plain-text message causes the ciphertext to be completely different

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單項(xiàng)選擇題

Which item is correct regarding Cisco IOS IPS on Cisco IOS Release 12.4（11）T and later ？（）

A.requires the Basic or Advanced Signature Definition File
B.uses the built-in signatures that come with the Cisco IOS image as backup
C.supports SDEE，SYSLOG，and SNMP for sending Cisco IPS alerts
D.uses Cisco IPS 5.x signature format

單項(xiàng)選擇題

After enabling port security on a Cisco Catalyst switch， what is the default action when the configuredmaximum of allowed MAC addresses value is exceeded？（）

A.The port’s violation mode is set to restrict
B.The port is shut down
C.The MAC address table is cleared and the new MAC address is entered into the table
D.The port remains enabled， but bandwidth is throttled until old MAC addresses are aged out

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Regarding constructing a good encryption algorithm， what does creating an avalanche effect indicate？（）

你可能感興趣的試題

Which item is correct regarding Cisco IOS IPS on Cisco IOS Release 12.4（11）T and later ？（）

After enabling port security on a Cisco Catalyst switch， what is the default action when the configuredmaximum of allowed MAC addresses value is exceeded？（）

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Regarding constructing a good encryption algorithm， what does creating an avalanche effect indicate？（）

After enabling port security on a Cisco Catalyst switch， what is the default action when the configuredmaximum of allowed MAC addresses value is exceeded？（）