BGP information is carried inside TCP segments, which are carried inside IP packets using port _______.

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Multiple Choice

BGP information is carried inside TCP segments, which are carried inside IP packets using port _______.

Explanation:
BGP relies on TCP to provide reliable delivery and ordered message handling, so its control traffic is sent inside TCP segments encapsulated in IP packets. The standard port for BGP is 179, which means BGP conversations use TCP port 179 by default (for both external and internal BGP). The other ports shown correspond to different, unrelated protocols—80 for HTTP, 25 for SMTP, and 443 for HTTPS—so they are not used by BGP.

BGP relies on TCP to provide reliable delivery and ordered message handling, so its control traffic is sent inside TCP segments encapsulated in IP packets. The standard port for BGP is 179, which means BGP conversations use TCP port 179 by default (for both external and internal BGP). The other ports shown correspond to different, unrelated protocols—80 for HTTP, 25 for SMTP, and 443 for HTTPS—so they are not used by BGP.

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