CCNP / CCDP Routing (Building Scalable Cisco Networks)/ BSCI (Building Scalable Cisco Internetworks) Exam  BGP Practice Questions

Exam Code 642-801 (BSCI)

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Q3. What kind of BGP session is established between two routers that are adjacent, but in two different Autonomous Systems?.

            A. External BGP (eBGP)

            B. Internal BGP (iBGP)

            C. Default (dBGP)

            D. Direct

Ans: A

Explanation:  

 External BGP (eBGP) is used to establish session and exchange route information between two or more autonomous systems. Internal BGP (iBGP) is used by routers that belong to the same Autonomous System (AS).

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