单项选择题X 纠错
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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单项选择题
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
单项选择题
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
单项选择题
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
单项选择题
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
多项选择题
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
多项选择题
A.pop3
B.ftp
C.12tp
D.sql-net
单项选择题
A.SCSI
B.HBA
C.ATA
D.iSCSI
单项选择题
A.AES
B.3DES
C.DES
D.Diffie-Hellman
单项选择题
A.IKE Phase 1 - P4S1 and P4S4,IKE Phase 2 - P4S2, P4S3 and P4S5
B.IKE Phase 1 - P4S2 and P4S4,IKE Phase 2 - P4S1, P4S3 and P4S5
C.IKE Phase 1 - P4S2 and P4S3,IKE Phase 2 - P4S1, P4S4 and P4S5
D.IKE Phase 1 - P4S1 and P4S2,IKE Phase 2 - P4S3, P4S4 and P4S5
单项选择题
A.Strategic security planning
B.Disaster recovery
C.Implementation security
D.Operations security