單項(xiàng)選擇題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


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1.單項(xiàng)選擇題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

3.單項(xiàng)選擇題A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?()

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

4.單項(xiàng)選擇題What parameter can be different on ports within an EtherChannel?()

A.speed
B.DTP negotiation settings
C.trunk encapsulation
D.duplex

5.單項(xiàng)選擇題What authentication type is used by SNMPv2?()

A.HMAC-MD5
B.HMAC-SHA
C.CBC-DES
D.community strings