As-path-filter:ip as-path-filter 1 permit*(1001400 ) $ is existing, which AS_PATH attributes may be matched by the As-path-filter?

• A.300 4200
• B.3100
• C.1234 1400
• D.100

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Which of the following scenarios does not need to use RPF detection?

• A.When the RP in the PIM SM establishes a source tree to the multicast source
• B.When receiving a pruning message in PIM SM
• C.When establishing a shared tree to the RP in PIM SM
• D.When the router in PIM SM receives the multicast data stream

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As shown in the figure, the A department of branch 1 can access the Internet, but the B department can only use the encrypted VPN to access the headquarters resources. You can configure the NAT policy on the export device so that department A can access the Internet and configure IPsec VPN (ESP protocol) for department B + tunnel mode method to allow it to access the headquarters.

• A.True
• B.False

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Single selection After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs.
Which of the following is not a configurable action?

• A.Interface blocking
• B.MAC address blocking
• C.Flow filtering
• D.Send alert

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What are the wrong statements about OSPF Router LSA and Network LSA? (Multiple questions)

• A.Routers running OSPF must generate Router LSA
• B.Router LSA and Network LSA must exist in the OSPF network at the same time
• C.Network LSA carries both topology and routing information
• D.Routers running OSPF must generate Network LSA

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