Which of the following BGP statements is true?
- BGP is an IGP used to exchange routing information with another AS.
- BGP updates are encapsulated using TCP port 179.
- Every AS is assigned a unique 160-bit AS number (ASN).
- Use BGP when there is a single connection to the Internet or another AS.
Explanation: BGP updates are encapsulated over TCP on port 179. In BGP, every AS is assigned a unique 16-bit or 32-bit AS number (ASN). BGP is an Exterior Gateway Protocol (EGP) used for the exchange of routing information between autonomous systems. BGP should not be used when there is a single connection to the Internet or another AS.
Exam with this question: CCNA 4 v6 Chapter 3: Check Your Understanding
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