A.It sends ping requests in segments of an invalid size
B.It intercepts the third step in a TCP three-way handshake to hijack a session
C.It sends ping requests to a subnet, requesting that devices on that subnet send ping replies to a targetsystem
D.It uses Trojan horse applications to create a distributed collection of "zombie" computers, which can beused to launch a coordinated DDoS attack
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A.password encryption service
B.changes to the config-register setting
C.the xmodem privilege EXEC mode command to recover the Cisco IOS image
D.ROMMON
A.The traffic is dropped
B.The resulting action is determined by the destination IP address
C.The source IP address is checked,and,if a match is not found, traffic is routed out interface Serial 1
D.The resulting action is determined by the destination IP address and port number
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
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
最新试题
Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances?()
Which one of the aaa accounting commands can be used to enable logging of both the start and stoprecords for user terminal sessions on the router?()
Which method is of gaining access to a system that bypasses normal security measures?()
Please choose the correct description about Cisco Self-Defending Network characteristics.()
Refer to the exhibit. Based on the VPN connection shown, which statement is true?()
When configuring role-based CLI on a Cisco router,which action will be taken first ?()
What are two characteristics of the SDM Security Audit wizard?()
Which information is stored in the stateful session flow table while using a stateful firewall?()
Which two actions can be configured to allow traffic to traverse an interface when zone-based security isbeing employed?()
In an IEEE 802.1x deployment,between which two devices EAPOL messages typically are sent?()