单项选择题

Refer to the exhibit.If the devices produced the given ……

Refer to the exhibit.If the devices produced the given output,what is the cause of the EtherChannel problem?（）

A.There is a speed mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.
B.There is an MTU mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.
C.There is an encapsulation mismatch between SW1's Fa0/1 and SW2's Fa0/1 interface.
D.SW1's Fa0/1 interface is administratively shut down.

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单项选择题What SNMP message alerts the manager to a condition on the network?（）

A.response
B.trap
C.cet
D.capture

单项选择题Which statement describes the process ID that is used to run OSPF on a router ?（）

A.It is locally significant and must be the same throughout an area
B.It is globally significant and is used to represent the AS number
C.It is locally significant and is used to identify an instance of the OSPF database
D.It is globally significant and is used to identify OSPF stub areas

单项选择题What OSPF command, when configured, will include all interfaces into area 0?（）

A.network 0.0.0.0 255.255.255.255 area 0
B.network 0.0.0.0 0.0.0.0 area 0
C.network 255.255.255.255 0.0.0.0 area 0
D.network all-interfaces area 0

单项选择题Refer to the exhibit.If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?（）

A.192.168.1.1
B.172.16.1.1
C.1.1.1.1
D.2.2.2.2

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A.the port-channel 1 interface
B.the highest number member interface
C.all member interfaces
D.the lowest number member interface