CORRECT TEXT
Regarding how the device handles messages in the MPLS network model, what is the following description of the error?

• A.For IP packets entering the MPLS domain, the device discards them.
• B.LSR. Both
• C.LER and LSR are labeled.
• D.The label forwarding path LSP is determined and established by various protocols during the forwarding of messages. There is certainly no stripping of the label on the

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View the details of all VPN instances on a network device and the results are as follows, which of the following statements is wrong? (Multiple choice questions).

• A.The GigabitEthernet 1/0/0 interface is tied to the VPN-Instance vpna
• B.The total number of instances that enable the IPv6 address family in the VPN configured on this side is 1.
  
• C.VPN-Instance vpna does not receive VPN routes with an RT of 2:1.
• D.The device assigns a label to each route of the VPN-Instance vpna.

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In RSTP, which port provides a backup path to reach the root node of the spanning tree?
What state is the port in?

• A.Alternate Port and Learning Status
• B.Alternate port and Discarding status
• C.Designated port and Listening status
• D.Root Port and Listening Status
• E.Alternate Port and Forwarding Status

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If the OSPF protocol is running in the network, after configuring the non-osseous thousand region in the OSPF region as the Totally Stub region, the ABR router sends a message to Totally. The Stub area issues an LSA with an LSID of 0000, which category the LSA belongs to LSA? (Single choice questions).

• A.LSA2
• B.LSA1
• C.LSA3
• D.LSA5

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BGP authentication can prevent illegal routers from establishing neighbors with BGP routers, BGP authentication can be divided into MD5 authentication and Keychain authentication, please ask which BGP messages will be carried below BGPKeychain authentication information? (Multiple select).

• A.Notification
• B.Open
• C.Keeplive
• D.Update

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