单项选择题
Where should you install the spare line module in a redundancy group?（）
A.last slot in the chassis B.first slot in the chassis C.lowest numbered slot in thegroup D.highest numbered slot in the group
You would like to configure your PC's IP address of ...
You would like to configure your PC's IP address of 10.10.0.156 as an FTP host with a username of user and a password of mypass.Which configuration command accomplishes this goal?（）
A.host user pc 10.10.0.156 ftp user mypass B.host user pc 10.10.0.156 tftp user mypass C.host name user pc 10.10.0.156 ftp user mypass D.host name user pc 10.10.0.156 tftp user mypass
By default,how does the router handle changes to its op...
单项选择题By default,how does the router handle changes to its operational configuration?（）
A.Changes are not implemented,but are saved automatically. B.Changes are no timplemented and must be written into memory. C.Changes are implemented immediately and save dautomatically. D.Changes are implemented immediately,but must be written intomemory.
TheERXEdgeRouterrespondstoareceivedPPPoverEthernetActiv...
单项选择题The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation （PADI） with which message type？（）
A.PPPoE Active Discovery Offer B.PPPoE Active Discovery Initiation C.PPPoE Active Session Confirmation D.PPPoE Active Session Acknowledgment
