The following description of the address prefix list is incorrect is _______.

• A.permit 0.0.0.0 0 indicates that all routes are matched
• B.permit 10.0.0.0 24 indicates that only the 10.0.0.0/24 network segment is matched
• C.permit 0.0.0.0 0 less-eual 32 indicates that all routes are matched
• D.permit 10.0.0.0 24 indicates that the network that matches the mask in the 10.0.0.0/24 interval is greater than or equal to 24 bits

Comment: *

Name: *

Email: *

Verification: *

As shown in the figure, EBGP runs between AS100, AS200, AS300, and AS400.
When AS400 receives BGP routes from AS100, the path sequence recorded in its AS-Path attribute is ______.

• A.(100, 200, 300, 400)
• B.(100, 200, 300)
• C.(400, 300.200, 100)
• D.(300, 200, 100)

Comment: *

Name: *

Email: *

Verification: *

Level-1 routing exists in ________.

• A.Between different areas
• B.Between IS in the same Area
• C.Between different domains
• D.Between ES and IS

Comment: *

Name: *

Email: *

Verification: *

Regarding the Stub area and NSSA area of the OSPF protocol, the following statements are incorrect: _______

• A.Tpe4 LSA injection is not allowed in stub area and NSSA area
• B.Both stub area and NSSA area allow injection of Tpe3 LSA
• C.The injection of Tpe7 LSA is not allowed in the stub area, while the injection of Tpe7 LSA is allowed in the NSSA area
• D.The injection of Tpe5 LSA is not allowed in the stub area, while the injection of Tpe5 LSA is allowed in the NSSA area

Comment: *

Name: *

Email: *

Verification: *

When the area authentication and domain authentication are configured in IS-IS, the IS-IS message types to be verified include _________.

• A.LSP
• B.PSNP
• C.CSNP
• D.Hello

Comment: *

Name: *

Email: *

Verification: *