题目内容

甲醛肟分光光度法测定水中锰时,一般要求加标回收率在()之间。

A. 85%-120%
B. 90%-110%
C. 80%-130%
D. 95%-105%

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WhatgroupinCiscoIOSdoes1536-bitDiffie-Hellmanprimemodulusequivalenttoo?()

A. group3
B. group1
C. group5
D. group7

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

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