Which of the following technologies is used in the dynamic BGP MPLS L3VPN to distinguish the same IP address in different VPNs in the BGP protocol?
In the PTN network, the L3 node needs to learn the ARP message to forward the message to the SGW. What is the type of the ARP response message?
Among the maintenance signals at the ODUk level, which of the following maintenance signals are included in the STAT bits of PM and TCM?
Which of the following is not included in the function of the Inspector inspection tool?
Both the 1310nm and 1550nm transmission windows are low-loss windows. In the DWDM system, only the 1550nm transmission window is used. Which of the following options is the main reason?
Which of the following optical loss alarms will not cause service interruption?