AWS Certified Advanced Networking Specialty Practice Exam

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Prepare for the AWS Certified Advanced Networking Specialty Exam with detailed flashcards and multiple-choice questions. Each question includes hints and explanations. Ace your exam with confidence!

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Which routing protocol is supported by AWS Direct Connect Virtual Interfaces (VIFs)?

Open Shortest Path First (OSPF)
Border Gateway Protocol (BGP)
Routing Information Protocol (RIP)
Enhanced Interior Gateway Routing Protocol (EIGRP)

The correct answer is: Border Gateway Protocol (BGP)

AWS Direct Connect allows for private connectivity between your on-premises data centers and AWS services, and it uses Border Gateway Protocol (BGP) for routing. BGP is a standardized exterior gateway protocol designed to exchange routing information between different autonomous systems on the internet and is widely utilized for managing how packets are routed across the internet through the use of the AS path and other attributes. Using BGP with AWS Direct Connect provides several advantages, such as dynamic route updates and the ability to manage multiple connections efficiently. Through BGP, you can automatically converge and reroute traffic during outages or changes in topology without manual intervention. This is particularly useful for maintaining high availability and performance in enterprise network architectures, where quick adjustments to routing protocols are paramount for efficiency. Other routing protocols like OSPF, RIP, and EIGRP are internal protocols that are more suited to intra-domain routing within a single organization’s network. They are not supported for AWS Direct Connect Virtual Interfaces because the service operates on the principles and designs of BGP for its robust feature set that accommodates the scale and requirements of cloud infrastructure interconnections.