The total downlink bandwidth of the 10G EPON PONI port is the sum of the EPON downlink bandwidth and the 10GEPON downlink bandwidth.

The total downlink bandwidth of the 10G EPON PONI port is the sum of the EPON downlink bandwidth and the 10GEPON downlink bandwidth.A . TureB . FalseView AnswerAnswer: A

October 17, 2020 No Comments READ MORE +

A total of 100 multicast users on the OLT are watching 20 multicast programs. If each multicast program occupies a bandwidth of 2M, how much multicast traffic does the OLT uplink port currently have?

A total of 100 multicast users on the OLT are watching 20 multicast programs. If each multicast program occupies a bandwidth of 2M, how much multicast traffic does the OLT uplink port currently have?A . 200MB . 100MC . 40MD . 50MView AnswerAnswer: C

October 16, 2020 No Comments READ MORE +

When the backbone fiber is broken or the OLT cannot detect the expected optical signal (LOS) alarm, the possible cause is: (Multiple Choice)

When the backbone fiber is broken or the OLT cannot detect the expected optical signal (LOS) alarm, the possible cause is: (Multiple Choice)A . There is a rogue ON U under the portB . Port backbone fiber failureC . All power off or failures under the portD . The port...

October 15, 2020 No Comments READ MORE +

A GPON Type C dual-homing protection is deployed for a power access service, and the status of the protection group and the uplink Ethernet port is set on the OLT. When the status of the Ethernet port associated with the protection group on the OLT becomes down, which of the following description is incorrect?

A GPON Type C dual-homing protection is deployed for a power access service, and the status of the protection group and the uplink Ethernet port is set on the OLT. When the status of the Ethernet port associated with the protection group on the OLT becomes down, which of the...

October 14, 2020 No Comments READ MORE +

When configuring the multicast service on the MA5600T/MA5680T, the multicast vlan program adopts the static configuration method. Which of the following options must be configured, otherwise the multicast program may not be watched?

When configuring the multicast service on the MA5600T/MA5680T, the multicast vlan program adopts the static configuration method. Which of the following options must be configured, otherwise the multicast program may not be watched?A . igmp profileB . igmp programC . igmp priorityD . igmp previewView AnswerAnswer: B

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What is the downlink wavelength in the 10GGPON system?

What is the downlink wavelength in the 10GGPON system?A . 1310nmB . 1577nmC . 1270mmD . 1490nmView AnswerAnswer: B

October 13, 2020 No Comments READ MORE +

When the invitation message sent by user A reaches user B after passing through servers C, D, and E, the server address recorded in the VIA field in the message received by user B from top to bottom is:

When the invitation message sent by user A reaches user B after passing through servers C, D, and E, the server address recorded in the VIA field in the message received by user B from top to bottom is:A . C->D->EB . E->C->DC . E->D->CD . C->E->DView AnswerAnswer: C

October 12, 2020 No Comments READ MORE +

Enable IGMP-snooping on the layer 2. When the switch port receives an IGMP join message, it monitors the message and adds the corresponding port to the multicast group.

Enable IGMP-snooping on the layer 2. When the switch port receives an IGMP join message, it monitors the message and adds the corresponding port to the multicast group.A . TureB . FalseView AnswerAnswer: A

October 12, 2020 No Comments READ MORE +

The complete SIP message interaction process will include multiple request and response messages. A field can be used in the header field of the SIP message to describe the specific request corresponding to the current response message. This field is:

The complete SIP message interaction process will include multiple request and response messages. A field can be used in the header field of the SIP message to describe the specific request corresponding to the current response message. This field is:A . CseaB . CaLL-IDC . First lineD . Message bodyView...

October 12, 2020 No Comments READ MORE +

Multicast technology effectively solves the problem of single-point sending and multi-point receiving, and realizes efficient point-to-multipoint data transmission in the IP network.

Multicast technology effectively solves the problem of single-point sending and multi-point receiving, and realizes efficient point-to-multipoint data transmission in the IP network.A . TureB . FalseView AnswerAnswer: A

October 11, 2020 No Comments READ MORE +