H35-211_V2.5-ENU 무료 덤프문제 온라인 액세스

There is no sound when the phone is off-hook. You can use the POTs external line test to check whether there is a line loop between the terminal phone and the POTS port. Which of the following commands is used for the external line test on the MDU side?

• A.pots loop-line-test
• B.pots cir cult-test
• C.ont pots-test-threshold restore
• D.ont pots-test

The protection scope of GP ON Type B dual-homing protection includes: (Multiple Choice)

• A.Main and standby OLT
• B.Main and standby branch fiber
• C.Main and standby backbone fiber
• D.OLT's main and standby PON ports

The protocol used to manage multicast membership is?

• A.PIN-SH
• B.MSDP
• C.PIN-DH
• D.IGMP

When using the H.248 protocol to deploy VoIP services, the registration information sent by the MG to the MGC contains the following information, indicating that the command to send this letter is
Services {Method=Restart
Reason=[901])

• A.reset cold start
• B.ON Tre-register
• C.reboot system
• D.board restart

Which of the following events will trigger the link switching of the aggregation group? (Multiple choice)

• A.ETH-OAM detects link failure
• B.The port is unavailable
• C.Link Down
• D.LACP protocol found a link failure