Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summary, so which class LSA Will it be aggregated? (Multi-select) (confirmed).

• A.1?LSA
• B.3?LSA
• C.4?LSA
• D.2?LSA
• E.5?LSA

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When the ACL in the VRP has multiple matching rules (rules), the matching order is about Which of the following statements is true? (Confirmed).

• A.By default: Match in the order in which the perfect is matched first, then deny is matched.
• B.There is only one matching order and cannot be modified
• C.By default, rule-ID is followed Match from small to large
• D.By default, matching is based on the principle of "depth first"

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CORRECT TEXT
When judging the old and new LSA, the serial number parameter and the age parameter are used, and the following two parameters are correct for? (Multiple choice questions).

• A.Both the serial number and age parameters can determine whether the LSA is old or new, and the router prioritizes the sequence to participate in the teaching, and the larger the better
• B.If the serial number of the LSA reaches the end value of Ox7FFFFFFF, the current router advertises an LSA with an age of 3600S
• C.When the router receives-The age of the LSA is set to 3600S, the LSA is unavailable
• D.When the router receives two LSAs, where the sequence number is the same and the checksum is the same, the smaller the age, the better

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In the topology shown in the figure. Running the OSPFv3 protocol over the entire network does not produce what type of LSA on R1 without external route introduction?

• A.Inter-Area-Prefix-LSA
• B.Link-LSA
• C.Intra-Area-Prefix-LSA
• D.Inter-Area-RouterLSA

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The Path Selection tool can define multiple entries, which of the following tools will automatically generate a rejection of any entries at the end of the slot

• A.IP-prefix
• B.AS-Path- filter
• C.Route policy
• D.Community -filter

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