The Next_Hop attribute in BGP records the next hop of a route. Similar to the next hop in an IGP, the Next_Hop attribute in BGP must be the IP address of a peer interface.

• A.TRUE
• B.FALSE

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Link aggregation is a common network technology. Which of the following are advantages of link aggregation?

• A.Load balancing
• B.Improved reliability
• C.Increased link bandwidth
• D.Route backup

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Regarding the BGP recognized arbitrary attribute, which of the following descriptions are correct? (Multiple choice)

• A.BGP routers may not recognize
• B.BGP routers must be identified
• C.It is not required to exist in the Update message, you can decide whether to add it to the Update message according to the specific situation
• D.Must be passed between BGP neighbors

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BGP protocol uses () message to revoke routing entries.

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A filter named si is configured on a device using the as-path-filter command and is applied to a specified BGP peer. The detailed configurations are as follows:
csharp
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[SW1] ip as-path-filter si permit _65500$
[SW1] bgp 65100
[SW1-bgp] ipv4-family unicast
[SW1-bgp-af-ipv4] peer 10.1.1.2 as-path-filter si import
After the configuration is complete, which of the following statements is true about the way the local device processes the routes received from the peer?

• A.It accepts only the routes whose AS_Path contains AS 65500.
• B.It accepts only the routes originated from AS 65500.
• C.It accepts only the routes that last pass through AS 65500.
• D.It accepts only the routes forwarded by AS 65500.

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