单选题All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?（）Ashow CHAP authenticationBshow interface serial 0Cdebug PPP authenticationDdebug CHAP authenticationEshow PPP authentication CHAP
单选题
All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?（）
A
show CHAP authentication
B
show interface serial 0
C
debug PPP authentication
D
debug CHAP authentication
E
show PPP authentication CHAP
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