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
最新試題
Which key method is used to detect and prevent attacks by use of IDS and/or IPS technologies？（）
Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances？（）
Which type of MAC address is dynamically learned by a switch port and then added to the switch’s runningconfiguration？（）
In an IEEE 802.1x deployment，between which two devices EAPOL messages typically are sent？（）
Which information is stored in the stateful session flow table while using a stateful firewall？（）
When configuring SSH， which is the Cisco minimum recommended modulus value？（）
Regarding constructing a good encryption algorithm， what does creating an avalanche effect indicate？（）
When using the Cisco SDM Quick Setup Siteto-Site VPN wizard， which three parameters do you configure？（）
Which two primary port authentication protocols are used with VSANs？（）
What is the objective of Diffie-Hellman？（）