A.CS has the highest priority

B.AF1 has a higher priority than AF4

C.AF11 packet loss probability is higher than AF12

D.AF has a higher priority than EF

A.Enable DHCP globally.

B.Configure the DHCP Option 82 field.

C.Configure the global address pool if the DHCP server based on the global address pool is used.

D.Configure the interface address pool if the DHCP server based on the interface address pool is used.

A.In Downstream Unsolicited (DU) mode, an LSR distributes a label to an FEC after receiving a label request message from its upstream LSR.

B.In Downstream on Demand (DoD) mode, an LSR distributes a label to an FEC without having to receive the label request message from its upstream LSR.

C.The upstream LSR and downstream LSR with label advertisement adjacencies may use different label distribution control modes.

D.The downstream LSR determines a label bound to a specific FEC, and then notifies the upstream LSR.

A.Reduce device and energy cost.

B.Uses the unified software versions for devices and uniformly manage access tenants.

C.Shorten the network service innovation period.

D.Provide services for different applications and tenants through the single platform.

A.Administrator

B.Monitor

C.End-User

D.Operator