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多选题
Which two statements are true about the primary address on an interface?()
A

It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface

B

You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface

C

It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface

D

By default, the primary address on an interface is selected as the numerically highest local address configured on the interface


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