SY0-501 Question #498: Real Exam Question with Answer & Explanation

Question

A technician is configuring a load balancer for the application team to accelerate the network performance of their applications. The applications are hosted on multiple servers and must be redundant. Given this scenario, which of the following would be the BEST method of configuring the load balancer?

Options

• ARound-robin
• BWeighted
• CLeast connection
• DLocality-based

Explanation

To accelerate network performance and ensure redundancy for applications hosted on multiple servers, locality-based load balancing is the best method.

Common mistakes.

• A. Round-robin distributes requests sequentially to each server without considering server load, geographic proximity, or network latency, which does not guarantee accelerated network performance.
• B. Weighted load balancing distributes requests based on a pre-configured weight for each server, which helps manage different server capacities but does not inherently optimize for network proximity or latency.
• C. Least connection directs new requests to the server with the fewest active connections to balance server load, but it does not prioritize network proximity or latency for performance acceleration.

Concept tested. Load balancer algorithms for performance optimization

Reference. https://learn.microsoft.com/en-us/azure/frontdoor/routing-methods

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