IS-IS supports the processing and computation of IPv6 routes by adding ATLPs to carry IPv6 addresses and reachability information.

• A.FALSE
• B.TRUE

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As shown in the following figure, R1 and R2 establish a neighbor relationship for Level2, which is critical: placed as follows, then the following about. The route entry for R2 is correct

• A.2022:/64 Routers appear in the IP routing table c.2019::/64 Routers appear in the P routing table
• B.2021:-/64 Router will appear in the P routing table
• C.The 0:/64 router appears in the IP routing table

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In Huawei switches, the hybird port can select vlan1 as an untagged vlan

• A.False
• B.True

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The correct description about the BGP reflector is? (Multiple choice questions).

• A.The route reflector can advertise routes learned from IBGP neighbors to all clients and non-client
• B.IBGP neighbor relationships need to be fully interconnected without a route reflector. The introduction of route reflectors can reduce the need for full interconnection
• C.The route reflector can advertise routes learned from one client to other clients and non-clients
• D.The route reflector can advertise routes learned from non-clients to all clients

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Users within a typical VPN can only communicate with each other, not with Internet users, and with Internet. But VPN individual sites may have access to internet's needs. The correct description of the implementation of VPN interconnection with internet is? (Multiple choice questions).

• A.Implemented on the user side, the implementation method is simple, and the public network and private network routes are isolated, safe and reliable.
• B.Implemented on PE, the PE device issues a default route to the CE to the Internet and adds a default route to the VPN instance routing table pointing to the Internet Gateway o
• C.Implementing a complex implementation on PE and having security implications, PE devices may be subject to Dos attacks on the Internet.
• D.is implemented on the user side, and the CE is directly connected to the Internet. Each user site can be connected to the Internet separately, that is, the CE of each site is configured with a default route to the Internet.

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