单项选择题
A.on the SRP
B.on the I/O adapter
C.on the egress line module
D.on the ingress line module
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？（）
多项选择题 Which three CLI modes are available on the ERX Edge Router？（）
单项选择题 What does the SRP distribute to the line modules when a routing table changes？（）