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    PracticeAWS Solutions Architect Associate (SAA-C03)AWS SAA-C03 Practice Exam 7Question 23
    Medium1 markMultiple Choice
    Domain 2.1: Scalable ArchitecturesResilienceELBNLB

    AWS SAA-C03 · Question 23 · Domain 2.1: Scalable Architectures

    A company is migrating a legacy application to AWS. The application requires a load balancer that can handle millions of requests per second with ultra-low latency and must preserve the source IP address of the clients. Which TWO load balancing solutions meet these requirements? (Select TWO.)

    Answer options:

    A.

    Application Load Balancer (ALB)

    B.

    Network Load Balancer (NLB)

    C.

    Classic Load Balancer (CLB)

    D.

    Amazon Route 53

    E.

    Global Accelerator

    How to approach this question

    Identify Layer 4 requirements: millions of requests, ultra-low latency, source IP preservation. NLB is the primary choice. Global Accelerator also preserves source IP and routes to endpoints.

    Full Answer

    Network Load Balancer (NLB) operates at Layer 4 and preserves the source IP. AWS Global Accelerator also preserves source IP and provides ultra-low latency global routing.

    Common mistakes

    Choosing ALB, which terminates the connection and changes the source IP.
    Question 22All questionsQuestion 24

    Practice the full AWS SAA-C03 Practice Exam 7

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