What are the conditions for volume matching of firewall security policies? (Multiple choice)

• A.Source and destination IP addresses
• B.Message length
• C.The source and destination safe area city
• D.Application

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As shown in the figure, when R2 passes the route of 10.0.1.0/24 to R3, which of the following is the Next_Hop address of the route?

• A.10.0.23.3
• B.10.0.12.1
• C.10.0.23.2
• D.10.0.12.2

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As shown in the figure, all routers run OSPF. Because R3 is in the backbone area, there is no type three LSA in the LSDB of R3.

• A.TRUE
• B.FALSE

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Regarding the description of the routing tool, which of the following statement is wrong?

• A.Prefix list (ip-prefix) matching object is the destination address of routing information
• B.route-policy can only match routes and data packets, and cannot be used to modify routing attributes or data packet forwarding behavior
• C.The access control list (ACL) is used to match the IP routing information or the address of the data packet
• D.as-path-filter is used to match the AS-PATH attribute in BGP routing information, so it can only be used to filter BGP routes

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SSH uses asymmetric addition AES and DES to achieve data transmission security, and uses HMAC to ensure complete integrity verification of data.

• A.TRUE
• B.FALSE

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