单项选择题
By default, which PPP mechanism does the ERX Edge Router use to monitor the session for a PPP over ATM client?（）
A. ping
B. hello
C. get request
D. echo request
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相关考题
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单项选择题
Which command displays the IPNCP parameters for all connected PPPoA subscribers?（）
A. show users
B. show subscriber
C. show ppp interface
D. show ppp interface status ip -
单项选择题
Which CLI command displays the currently connected PPPoA subscribers?（）
A. show users
B. show subscriber
C. show aaa subscriber
D. show connected subscriber -
单项选择题
End users are failing to log in to the network. Which command is used on the ERX Edge Router to validate communications with the RADIUS server?（）
A. test ppp aaa
B. test aaa ppp
C. test radius user
D. test user radius
