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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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
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
A.Fixed-length groups of digits called blocks
B.Individual blocks，one at a time，with the transformations varying during the encryption
C.Individual digits，one at a time，with the transformations varying during the encryption
D.Fixed-length groups of bits called blocks
A.It specifies the login authentication method list named console-in using the local user database on the router
B.It specifies the login authorization method list named console-in using the local RADIUS username-password data base
C.It specifies the login authentication list named console-in using the local username- password data base on the router
D.It specifies the login authorization method list named console-in using the local username- password data base on the router
A.The Turbo ACL feature processes ACLs into lookup tables for greater efficiency
B.The Turbo ACL feature leads to increased latency， because the time it takes to match the packet isvariable
C.The Turbo ACL feature leads to reduced latency， because the time it takes to match the packet is fixedand consistent
D.Turbo ACLs increase the CPU load by matching the packet to a predetermined list
最新試題
Which method is of gaining access to a system that bypasses normal security measures？（）
How do you define the authentication method that will be used with AAA？（）
Refer to the exhibit. You are the network security administrator responsible for router security.Your networkuses internal IP addressing according to RFC 1918 specifications.From the default rules shown，whichaccess control list would prevent IP address spoofing of these internal networks？（）
Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances？（）
Which statement is true about a Smurf attack？（）
A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）
What are two characteristics of the SDM Security Audit wizard？（）
During role-based CLI configuration， what must be enabled before any user views can be created？（）
Refer to the exhibit. Which statement is correct based on the show login command output shown？（）
Regarding constructing a good encryption algorithm， what does creating an avalanche effect indicate？（）