QuestionQ4

SR Linux Configuration and Routing

Which of the following is NOT a reason BGP is used as the routing protocol in the data center?

  • A It is more efficient than link-state protocols like IS-IS and OSPF.
  • B BGP neighbors automatically discover each other.
  • C It is a well understood and mature routing protocol.
  • D It supports both IPv4 and IPv6.
Explanation

BGP does not automatically discover neighboring BGP speakers. Peering is established through explicit configuration, including the neighbor address and autonomous system details. Its maturity, dual IPv4/IPv6 support, and scalable control-plane characteristics are valid reasons it is commonly used in data-center networks.

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