If the two interfaces of the firewall are divided into the same area, then the data packet flow between the two interfaces does not need to be processed by packet filtering and is forwarded directly.

• A.FALSE
• B.TRUE

Comment: *

Name: *

Email: *

Verification: *

In BGP, the MED attribute is transmitted only between two neighboring ASs. The AS that receives the MED attribute does not advertise it to a third AS. By default, a router compares only the MED values of BGP routes from the same neighboring AS. That is, if two routes to the same destination are from different neighboring ASs, the router does not compare the MED values of the two routes.

• A.FALSE
• B.TRUE

Comment: *

Name: *

Email: *

Verification: *

Four routers run IS-IS and have established adjacencies. The area IDs and router levels are marked in the following figure. Which of the following statements is true?

• A.The LSDB of R2 does not contain the LSP of R4.
• B.The LSDB of R1 does not contain the LSP of R4.
• C.The LSDB of R2 does not contain the LSP of R3.
• D.The LSDB of R3 does not contain the LSP of R4.

Comment: *

Name: *

Email: *

Verification: *

When using Route-Policy 's if-match to create a matching rule, which of the following BGP attributes cannot be matched?

• A.Origin property
• B.Community attributes
• C.AS_Path attribute
• D.Extend the Community attribute

Comment: *

Name: *

Email: *

Verification: *

GRE is a VPN encapsulation technology that is widely used to transmit packets across heterogeneous networks.
Which of the following statements is false about GRE?

• A.GRE supports encryption and authentication.
• B.GRE supports multicast transmission.
• C.GRE is a Layer 3 VPN encapsulation technology.
• D.GRE can work with other VPN protocols to better ensure data security.

Comment: *

Name: *

Email: *

Verification: *