题目内容

Whatinformationdoesarouterrunningalink-stateprotocolusetobuildandmaintainitstopologicaldatabase？（）

A. hellopackets
B. SAPmessagessentbyotherrouters
C. LSAsfromotherrouters
D. beaconsreceivedonpoint-to-pointlinks
E. routingtablesreceivedfromotherlink-staterouters
F. TTLpacketsfromdesignatedrouters

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下列哪些是散列函数（）

A. MD5
B. RSA
C. HMAC
D. SHA-1

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AciscorouterisbootingandhasjustcompletedthePOSTprocess.Itisnowreadytofindandloadan IOS image.whatfunctiondoestherouterperformnext？（）

A. Itcheckstheconfigurationregister
B. ItattemptstobootfromaTFTPserver
C. Itloadsthefirstimagefileinflashmemory
D. ItinspectstheconfigurationfileinNVRAMforbootinstructions

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Forsecurityreasons,thenetworkadministratorneedstopreventpingsintothecorporatenetworksfromhostsoutsidetheinternetwork.Whichprotocolshouldbeblockedwithaccesscontrollists？（）

A. IP
B. ICMP
C. TCP
D. UDP

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CSA是通过（）部署保护的

A. 文件系统拦截器
B. 网络拦截器
C. 配置拦截器
D. 执行空间拦截器

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Whatinformationdoesarouterrunningalink-stateprotocolusetobuildandmaintainitstopologicaldatabase？（）

A. hellopackets B. SAPmessagessentbyotherrouters C. LSAsfromotherrouters D. beaconsreceivedonpoint-to-pointlinks E. routingtablesreceivedfromotherlink-staterouters F. TTLpacketsfromdesignatedrouters

下列哪些是散列函数（）

AciscorouterisbootingandhasjustcompletedthePOSTprocess.Itisnowreadytofindandloadan IOS image.whatfunctiondoestherouterperformnext？（）

Forsecurityreasons,thenetworkadministratorneedstopreventpingsintothecorporatenetworksfromhostsoutsidetheinternetwork.Whichprotocolshouldbeblockedwithaccesscontrollists？（）

CSA是通过（）部署保护的

A. hellopackets
B. SAPmessagessentbyotherrouters
C. LSAsfromotherrouters
D. beaconsreceivedonpoint-to-pointlinks
E. routingtablesreceivedfromotherlink-staterouters
F. TTLpacketsfromdesignatedrouters