The TestKingA router is configured as shown below:TestKingA(config) interface lo
2021-05-05
The TestKingA router is configured as shown below:TestKingA(config) interface loopback 0TestKingA(config-if) ip address 192.168.16.24 255.255.255.255As a result of this change, which of the statements below are true?（）
A. It creates a virtual, software only, interface.
B. It provides a way to test the convergence of OSPF routing updates.
C. The mask of 255.255.255.255 is called a host mask.
D. It uses a wildcard mask of 255.255.255.255.
E. It ensures that an interface is always active for OSPF processes.
F. Loopback interfaces must be numbered 0.
正确答案：参考A, C, E
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