QUESTION: 25

An IPTV user reflects that the TV cannot be watched, open the debug switch on the OLT side, and the debug printing information is as follows: huawei( config).
This can be judged by the results of the query

The poN port multicast bandwidth is insufficient
The user does not have permission to watch the show
IGMP Sakamoto Fussel
User bandwidth validation failed

Answer(s): D

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QUESTION: 26

To improve link reliability, the LT device passes through two upstream ports 0/19/0 and 0/20/0 Configure the Timedelay protection group, which of the following commands is optional

huawei(config)#interface giuhuawei (config-if-giu-0/19)hoffline-tx-off-time 0 500
huawei(protect-group-0)hprotect-group member port 0/19/0 role work
huawei(protect-group-0)aprotect-group enable
huawei(config)=protect-group 0 protect-target sth-nni port workmode timedelay

Answer(s): A

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QUESTION: 27

A power access service deploys GPON Type C dual attribution protection, and the protection group is fixed with the upstream Ethernet port status on the OLT, and when the Ethernet port status associated with the protection group on the OLT becomes down, the following description is incorrect.

The state of the onU side work port changes to standby
OLT laughs at onu uplink state changes
After the inversion, the service on the ONU is sent to the OLT through the protect port, that is, the service packet is transmitted on the protect example planting road
The ONU detects link failures and triggers protection reversals

Answer(s): D

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QUESTION: 28

Type B protection provides redundant protection for both OLT PON ports and backbone fibers when OLT or OLT PON If the port or trunk fiber fails, manually switch to another luguang.

True
False

Answer(s): B

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QUESTION: 25

QUESTION: 26

QUESTION: 27

QUESTION: 28