MPLS is called Multi-Protocol Label Switching. Regarding the label description in MPLS, the correct one is:

Part of the configuration of R1 is as follows. Which statement about OSPF on R1 is correct?
ospf 1 router-id 172.16.1.1
area 0.000
network 10.1.12.1 0.0.0.0
network 10.1"3"0.0.0.0
network 172.16/1 1 0.0.0.0
ospf 2 vpn-instance tt
area QQO.O
network 10J J 1 0.000

The default MPLS label publishing mode, label distribution control mode and label retention mode of Huawei routers are respectively

What types of Link Types are included in the Router LSA in OSPF?

LDP messages are exchanged between LSRs running the LDP protocol. LDP messages can be divided into four types according to their functions. Which of the following is not a message type of LDP?