题目内容

《地下水质量标准》(GB/T14848-1993)中铁的三级标准为()mg/l.

A. ≤0.1
B. ≤0.2
C. ≤0.3
D. ≤1.0

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高碘酸钾分光光度法测定水中锰时,50ml水样中锰含量低于()ug时,符合比尔定律。

A. 50
B. 75
C. 125
D. 150

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%

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.

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