As shown in the figure, private network routing information is exchanged between PE1 and PE2 and their respective CEs through OSPF, and the same DomainlD is set on both PE1 and PE2. When routes are imported from BGP to OSPF on PE2, it is possible that Which of the following types of SAs are passed to CE2?

• A.Type3 LSA
• B.Type7 LSA
• C.Typel LSA
• D.Type5 LSA

Comment: *

Name: *

Email: *

Verification: *

In an MPLS network, there are different types of operations for labels, among which the meaning of the "pop" action is?

• A.Remove the top label from the MPLS label stack
• B.Replace the top label with another value
• C.Add the top label to the MPLS label stack
• D.Replace the top label with another set of labels

Comment: *

Name: *

Email: *

Verification: *

How to view log information? (Multiple choice)

• A.Log in to the device and view it through the display log
• B.Transfer the log file under flash:/logfile/ to the PC via FIP/TFTP
• C.View the interface of the network management system
• D.There is no way

Comment: *

Name: *

Email: *

Verification: *

The Discovery message of LDP is used for neighbor discovery, and LDP has different discovery mechanisms when discovering neighbors. Then, which of the following statements about Discovery message in the basic discovery mechanism is correct? (Multiple choice)

• A.The destination IP address of the message is the multicast IP address 224.0.0.2
• B.This message is encapsulated in a UDP message, and the destination port number is 646
• C.After the TCP connection is established, the LSR does not continue to send Hello Message
• D.The message is sent to the designated LDP Peer

Comment: *

Name: *

Email: *

Verification: *

What is the Router-ID of OSPFv3?

• A.32-bit value
• B.100-bit value
• C.128-bit value
• D.64-bit value

Comment: *

Name: *

Email: *

Verification: *