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The OLT can directly copy the priority of the user message as the priority of forwarding the message upwards, and also supports direct local configuration
The OLT can directly copy the priority of the user message as the priority of forwarding the message upwards, and also supports direct local configurationA . True B. FalseView AnswerAnswer: A
Which of the following conditions will trigger automatic protection switching for GPON Type B single-homing protection? (Multiple choice)
Which of the following conditions will trigger automatic protection switching for GPON Type B single-homing protection? (Multiple choice)A . Deterioration of backbone optical fiber line quality B. Branch fiber break C. Trunk fiber break D. The main POM port of the OLT is faultyView AnswerAnswer: ACD
Enable IGMP-snooping on the second layer. When the switch port receives the IGMP join message, it will listen to the message and add the corresponding port to the multicast group.
Enable IGMP-snooping on the second layer. When the switch port receives the IGMP join message, it will listen to the message and add the corresponding port to the multicast group.A . True B. FalseView AnswerAnswer: A
Huawei network management U2000 realizes the configuration of voice services, and the voice configuration is delivered through ()
Huawei network management U2000 realizes the configuration of voice services, and the voice configuration is delivered through ()A . Value-added service template B. SNMP template C. Business Templates D. Line templateView AnswerAnswer: A
When configuring the multicast service, the VLAN carrying the group service must be consistent with the ID of the unicast VLAN
When configuring the multicast service, the VLAN carrying the group service must be consistent with the ID of the unicast VLANA . True B. FalseView AnswerAnswer: B
The OLT has a powerful rogue ONU control function, and can detect and isolate rogue ONUs in any scenario.
The OLT has a powerful rogue ONU control function, and can detect and isolate rogue ONUs in any scenario.A . True B. FalseView AnswerAnswer: B
The downlink wavelength in the 10G GPON system is?
The downlink wavelength in the 10G GPON system is?A . 1310nm B. 1490nm C.1270nm D.1577nmView AnswerAnswer: D
When it is detected that the CPU of the OLT main control board continues to rise, which are the possible reasons? (Multiple choices)
When it is detected that the CPU of the OLT main control board continues to rise, which are the possible reasons? (Multiple choices)A . Illegal user login B. Network Loops C. Cyber attacks D. Rogue ONUView AnswerAnswer: BCD
According to the status of the tokens in the token bucket, the device marks the packets with colors (green, yellow, red). The colors of the marks are mainly to provide the basis for packet processing for subsequent congestion control.
According to the status of the tokens in the token bucket, the device marks the packets with colors (green, yellow, red). The colors of the marks are mainly to provide the basis for packet processing for subsequent congestion control.A . True B. FalseView AnswerAnswer: A
Multicast technology effectively solves the problem of single-point transmission and multi-point reception, and realizes efficient data transmission from point to multipoint in the IP network
Multicast technology effectively solves the problem of single-point transmission and multi-point reception, and realizes efficient data transmission from point to multipoint in the IP networkA . True B. FalseView AnswerAnswer: A
