A. By default, the egress node supporting PHP allocates the label with the value of 3 to the penultimate hop.

B. When an IP packet enters an MPLS domain, the device checks whether the tunnel ID corresponding to the destination IP address of the packet is 0x0. If so, the MPLS forwarding process starts.

C. When an IP packet enters an MPL5 domain, the MPLS edge device inserts a new label between the Layer 2 header and the IP header of the packet.

D. A transit node replaces a label on the top of the label stack in an MPLS packet with the label assigned by the next hop.

A. Preventing starvation in lower priority queues

B. Minimizing packet delay jitter

C. Performs rate limiting on the specified data traffic

D. Ensuring that high priority traffic gets sent first

E. Avoiding global synchronization for TCP traffic

A. After learning routes from a non-client, a route reflector (RR) advertises these routes to all clients.

B. After learning routes from a client, an RR advertises these routes to all other clients and non-clients.

C. After learning routes from an IBGP peer, an RR advertises these routes to all clients and non-clients.

D. IBGP peers must be fully connected in the absence of a route reflector (RR). The BGP route reflection mechanism is introduced to lower the requirement.

A. VPLS is a widely used technology for the network. It can provide three-layer transparent layer reporting
and multi-point access.

B. BGP EVPN multi-homing supports leased isolation, and broadcast suppression

C. VPLS BUM configuration complex high-complexity, two-network transparent layer transmission
message

D. BGP EVPN VPLS MAC solves the problem of address drift and multi-tenancy that cannot be supported.

A. Option

B. Option

C. Option

D. Option