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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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
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
A.the port-channel 1 interface
B.the highest number member interface
C.all member interfaces
D.the lowest number member interface
A.speed
B.DTP negotiation settings
C.trunk encapsulation
D.duplex
A.HMAC-MD5
B.HMAC-SHA
C.CBC-DES
D.community strings
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