单项选择题

Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?（）

A.transaction
B.icmp
C.discovery
D.nd

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多项选择题

Which three of the following are components of a syslog message? （）(Choose three.)

A. time stamp
B. error codes
C. severity level
D. log message name

单项选择题

Which of these commands can you use to show if an operational Catalyst switch port is set for autonegotiation of speed and duplex when running Cisco IOS software?（）

A. show port network
B. show running-config
C. show controllers Ethernet-controller
D. show interfaces

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