WhatgroupinCiscoIOSdoes1536-bitDiffie-Hellmanprimemodulusequivalenttoo？（）
A. group3
B. group1
C. group5
D. group7
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OverlayTransportVirtualization（OTV）providesanoverlaythatenablesLayer2connectivitybetweenseparateLayer2domains，whilekeepingthesedomainsindependentandpreservingthefaultisolation，resiliency，andload-balancingbenefitsofanIP-basedinterconnection.WhichstatementsaretrueaboutOTVAdjacencyServer？（）
AdjacencyServerisrequiredwhenOTVisdeployedwithunicast-onlytransport.
B. AdjacencyServerisrequiredwhenOTVisdeployedwithmulticast-enabledtransport.
C. EachOTVdevicewishingtojoinaspecificOTVlogicaloverlayneedstofirstregisterwiththeAdjacencyServer.
D. EachOTVdevicetryingtojoinaspecificOTVlogicaloverlayneedstobeconfiguredasanAdjacencyServer.
Whataretheheadersizesforpoint-to-pointandmulti-pointGRE（alsoknownasmGRE）withtunnelkey？（）
A. 4bytesforboth
B. 4bytes，and8bytesrespectively
C. 8bytesforboth
D. 24bytesforboth
SNMPv3authorizesmanagementoperationsonlybyconfiguredusersandencryptsSNMPmessages.WhichauthenticationprotocolsdoesCiscoNX-OSSoftwareuseforSNMPv3？（）
A. NMAC-SHA-96authenticationprotocol
B. HMAC-MD5-96authenticationprotocol
CommunityStringMatchprotocol
D. NMAC-MD5-96authenticationprotocol
E. HMAC-SHA-96authenticationprotocol
Whichonesarethetwotypeofciphers？（）
A. Blockingcipherandnon-blockingcipher
B. CBCcipherandEBCcipher
C. BlockcipherandStreamcipher
D. BlockercipherandStreamercipher
E. 3DEScipherandAEScipher
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