In an IPv6 network, two nodes A and B are neighbors to each other if Node A sends NS messages to Node B if node B is B After receiving the message, reply to the NA message, then view it on node A, what will the neighbor status be marked? (Single Choice Questions).

• A.Stale
• B.Incomplete
• C.Probe
• D.Reachable

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The following statement about VXLAN gateways is incorrect

• A.Layer 3 gateway: Used for cross-subnet communication of VXLAN virtual networks and access to external networks.
• B.Layer 2 gateway: Used to solve the problem of tenant access to the VXLAN virtual network, it can also be used for subnet communication of the same VXLAN virtual network.
• C.Layer 2 gateway and VPN instance binding.
• D.VXLAN Layer 3 gateways can be divided into centralized gateways and distributed gateways.

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The firewall has created some security zones by default, which of the following security zones does not exist by default on the firewall? (Radio).

• A.DMZ
• B.Local
• C.Internet
• D.Trust

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When there are multiple rule rules for ACLs in VRP, which of the following statements is true regarding the order of matching? Single choice questions).

• A.By default, matching occurs in the order in which the permit is matched first and denim later.
• B.By default, matching is made from smallest to largest according to the Rule-ID.
• C.By default, matching is based on the principle of "depth first"
• D.There is only one matching order and cannot be modified.

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Regarding the description of the hello message in the PIM-SM message, the error is?

• A.In a PIM-SM network, a newly started multicast router needs to use hello messages to discover neighbors and maintain neighbor relationships
• B.Routers periodically use hello messages to stay in touch
• C.Hello messages are sent to multicast address 224005
• D.Elect dr in multiple router segments with hello messages

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