单项选择题

Which of the following protocols should be used to monitor network performance?（）

A.SNTP
B.SMTP
C.HTTP
D.SNMP

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单项选择题

An administrator is setting up a security camera that will send the same feed to twelve of the
twenty workstations on the network.
Which of the following addressing schemes was designed for this scenario?（）

A.Multicast
B.Unicast
C.Broadcast
D.Peer-to-peer

单项选择题

A technician claims to have crimped a patch cable according to the T568A standard on one end and T568B on the other.
Which of the following results is to be expected?（）

A. Since only half the leads are used, the cable will only work at 100Mbps
B. The cable will only work at a maximum of 100Mbps. since 1Gbps only works on T568B cables.
C. There will be no proper data continuity; the standards utilize two different wiring diagrams.
D. The cable will only work at a maximum of 10Mbps. since 100/1000Mbps only works on T568B pure cables

单项选择题

A zone transfer occurs over which of the following ports?（）

A.TCP 53
B.UDP 67
C.UDP 123
D.TCP 25