多项选择题
Which three SONET network elements are used for troubleshooting?（）
A.line
B.path
C.circuit
D.section
E.segment
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相关考题
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单项选择题
When troubleshooting ATM, which command would allow you to test reachability from one side of an ATM cloud to the other?（）
A.ping atm vci 0.100 interface at-0/1/0 end-to-end
B.ping atm vci 0.100 interface at-0/1/0 circuit
C.ping atm vci 0.100 interface at-0/1/0 far-end
D.ping atm vci 0.100 interface at-0/1/0 final-hop -
单项选择题
Which command would you type to see a concise display of which interfaces are up and which are down?（）
A.show interfaces brief
B.show interfaces status
C.show ip interface brief
D.show interfaces terse -
单项选择题
In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?（）
A.collisions on the full-duplex side; runts on the half-duplex side
B.collisions on the full-duplex side; collisions on the half-duplex side
C.collisions on the half-duplex side; framing errors on the full-duplex side
D.collisions on the half-duplex side; giants on the full-duplex side
