多项选择题

Which of the following types of attacks does DHCP snooping prevent？（Choose all that apply.）（）

A.Attacker sends multiple DHCP requests flooding DHCP server
B.Attacker connects rogue server initiating DHCP requests
C.Attacker connects rogue server replying to DHCP requests
D.Attacker sends DHCP jam signal causing DHCP server to crash
E.Attacker sends gratuitous ARP replies， thereby jamming the DHCP server
F.Attacker sends unsolicited DHCP replies， thereby jamming the DHCP server

<上一题目录下一题>

热门试题

单项选择题Anetworkadministratorentersthecommandcleariproute*andasaresultheseesthemessage， Pleaseupdatethenetworkdocumentationtorecordwhytheiproutingtablewascleared. Which routerfeaturewasusedinthiscase？（）

A.NetFlow
B.SNMP
C.Debug
D.SysLog
E.EEM
F.CEF

多项选择题Whichofthefollowingroutermodelswillsupport1000tunnels？（）

A.2811
B.2801
C.2851
D.2821
E.1841
F.3825

单项选择题Whichofthefollowingisnotatypicalmaintenancetaskwithinanetworkmaintenancemodel？（）

A.Providing technical customer support
B.Changing configurations
C.Updating software
D.Monitoring network performance
E.Replacing hardware
F.Scheduling backups

单项选择题Whichofthefollowingcorrectlyfillsinthemissingwordsofthissentence：AnARPrequestusesaaddress，whereasanARPreplyusesaaddress.（）

A.broadcast， multicast
B.unicast， broadcast
C.broadcast， unicast
D.multicast， unicast
E.broadcast， broadcast
F.unicast， multicast

单项选择题WhichofthefollowingeventswouldnotexplainexcessiveCPUutilization？（）

A.A large number of BGP sessions
B.A large BGP table
C.A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1
D.All interface buffers are continually in use
E.A flapping interface
F.The router sends a large number of ARP requests