单项选择题

Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）

A.on the SRP
B.on the I/O adapter
C.on the egress line module
D.on the ingress line module

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单项选择题

The primary line module has failed and the spare line module is nowactive.What occurs，by default，when the primary line module returns to an operational status？（）

A.The primary line module is inactive for five minutes and then becomes active.
B.The primary line module is in standby mode，while the spare line module remains active.
C.The primary line module becomes active immediately and the spare line module becomes inactive.
D.The primary and spare line modules are active for five minutes，after which time the spare line module becomes inactive.

多项选择题

Which three CLI modes are available on the ERX Edge Router？（）

A.User Exec
B.Privileged Exec
C.Super User Exec
D.Global Configuration
E.Private Configuration

单项选择题

What does the SRP distribute to the line modules when a routing table changes？（）

A.updated RIB-Out
B.link-state information
C.an incremental update
D.the complete routing table