表观COD值与氯离子校正值之(),即为所测水样真实的COD值。
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RunningbothIPv4andIPv6onaroutersimultaneouslyisknownaswhat?()
A. 4to6routing
B. 6to4routing
C. binaryrouting
D. dual-stackrouting
E. NextGenrouting
什么存储第2层交换机使用,以决定在哪里转发接收到的帧?()
A. 源MAC地址
B. 源IP地址
C. 源交换机端口
D. 目的地IP地址
E. 目标端口地址
F. 目的MAC地址
Whatfunctionsdoroutersperforminanetwork?(Choosetwo.)()
A. packetswitching
B. accesslayersecurity
C. pathselection
D. VLANmembershipassignment
E. bridgingbetweenLANsegments
F. microsegmentationofbroadcastdomains
Whenanewtrunkisconfiguredona2950switch,whichVLANsbydefaultareallowedoverthetrunklink?()
A. noVLANs
B. allVLANs
C. onlyVLANs1-64
D. onlytheVLANsthatarespecifiedwhencreatingthetrunk