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
A.pop3
B.ftp
C.12tp
D.sql-net
A.SCSI
B.HBA
C.ATA
D.iSCSI
A.AES
B.3DES
C.DES
D.Diffie-Hellman
Which item is the correct matching relationships associated with IKE Phase？（）
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
A.Strategic security planning
B.Disaster recovery
C.Implementation security
D.Operations security
最新试题
During role-based CLI configuration， what must be enabled before any user views can be created？（）
Which option ensures that data is not modified in transit？（）
Which VoIP components can permit or deny a call attempt on the basis of a network’s available bandwidth？（）
When configuring SSH， which is the Cisco minimum recommended modulus value？（）
If you click the Configure button along the top of Cisco SDM is graphical interface，which Tasks buttonpermits you to configure such features as SSH， NTP， SNMP， and syslog？（）
In an IEEE 802.1x deployment，between which two devices EAPOL messages typically are sent？（）
What is the objective of Diffie-Hellman？（）
Which key method is used to detect and prevent attacks by use of IDS and/or IPS technologies？（）
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？（）
Which three are distinctions between asymmetric and symmetric algorithms？ （）