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    PracticeAWS Solutions Architect Professional (SAP-C02)AWS Solutions Architect Professional SAP-C02 Practice Exam 4Question 06
    Hard1 markMultiple Choice
    Domain 1.1: Network ConnectivityDirect ConnectBGPHybrid Networking

    AWS SAP-C02 · Question 06 · Domain 1.1: Network Connectivity

    A company is designing a hybrid network architecture. They have two on-premises data centers and three AWS Regions. They need to ensure that if any single Direct Connect connection fails, traffic automatically reroutes to the other data center's connection. They also want to use the AWS network backbone to route traffic between the two on-premises data centers. Which combination of steps will achieve this? (Select TWO)

    Answer options:

    A.

    Enable Direct Connect SiteLink on the private virtual interfaces.

    B.

    Create a Transit Gateway in each region and peer them. Attach the Direct Connect Gateways to the Transit Gateways.

    C.

    Use BGP AS_PATH prepending on the routes advertised from the secondary data center to influence AWS routing.

    D.

    Configure static routes with different administrative distances on the Direct Connect Gateway.

    E.

    Use AWS Global Accelerator to route traffic between the on-premises data centers.

    F.

    Implement AWS VPN CloudHub as a backup to Direct Connect.

    How to approach this question

    Look for the feature that connects on-prem to on-prem (SiteLink) and the BGP attribute for failover (AS_PATH).

    Full Answer

    Use Direct Connect SiteLink. Configure BGP with appropriate AS_PATH prepending.
    Direct Connect SiteLink enables routing between on-premises locations over the AWS global network. BGP AS_PATH prepending is used to control inbound traffic preference to AWS, ensuring failover.

    Common mistakes

    Thinking Transit Gateway is required for on-prem to on-prem routing when SiteLink is available.
    Question 05All questionsQuestion 07

    Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 4

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