問題1
ONU cannot be automatically discovered, what are the possible causes of failure? (Multiple choice)
ONU cannot be automatically discovered, what are the possible causes of failure? (Multiple choice)
正確答案: A,B,C,D
問題2
In a typical access network, when a large number of IPTV users are accessed through the OLT, in order to prevent a large number of IGMP join and leave messages generated on the user side from impacting the performance of edge routers, what function is generally recommended to be enabled on the OLT?
In a typical access network, when a large number of IPTV users are accessed through the OLT, in order to prevent a large number of IGMP join and leave messages generated on the user side from impacting the performance of edge routers, what function is generally recommended to be enabled on the OLT?
正確答案: B
問題3
In the GPON network, if the ONU receives too much light, which of the following tools can be used to adjust? (Multiple choice)
In the GPON network, if the ONU receives too much light, which of the following tools can be used to adjust? (Multiple choice)
正確答案: C,D
問題4
Which of the following are included in the IEEE 802.1X protocol system? (Multiple choice)
Which of the following are included in the IEEE 802.1X protocol system? (Multiple choice)
正確答案: B,C,D
問題5
The downstream wavelengths in the 10G GPON system is _____.
The downstream wavelengths in the 10G GPON system is _____.
正確答案: A
問題6
After the DHCP simulation is started, it will automatically stop when the system default timeout period is reached, and the simulation results will be deleted at the same time.
After the DHCP simulation is started, it will automatically stop when the system default timeout period is reached, and the simulation results will be deleted at the same time.
正確答案: B
問題7
In the value-added service general template of the ONT configured on the U2000, the WAN port capacity of WAN port-by-port management is enabled by default, and needs to be changed to disable.
In the value-added service general template of the ONT configured on the U2000, the WAN port capacity of WAN port-by-port management is enabled by default, and needs to be changed to disable.
正確答案: A
問題8
The protection scope of GP ON Type B dual-homing protection includes: (Multiple Choice)
The protection scope of GP ON Type B dual-homing protection includes: (Multiple Choice)
正確答案: A,B,D
問題9
The following statement about defense against MAC Spoofing, which is wrong?
The following statement about defense against MAC Spoofing, which is wrong?
正確答案: A
問題10
The device will periodically send and receive LACP packets to avoid information loss. If no packets are received within how many LACP packet interaction cycles, the system considers the port to be faulty?
The device will periodically send and receive LACP packets to avoid information loss. If no packets are received within how many LACP packet interaction cycles, the system considers the port to be faulty?
正確答案: D