A company wants to deploy an application in multiple Availability Zones in a single AWS Region. Which benefit will this deployment provide to the company?

Question

Options

• AImproved connection performance for global customers
• BResilient architecture and a highly available solution
• CReduced overall data storage costs
• DAbility to shut down an Availability Zone during periods of low demand

• A
  7% (5)
• B
  89% (62)
• C
  1% (1)
• D
  3% (2)

Explanation

Multi-AZ Deployment Benefits

Deploying across multiple Availability Zones (AZs) within a Region provides fault tolerance and high availability - if one AZ experiences an outage (power failure, natural disaster, etc.), your application continues running in the other AZs without interruption, making B the correct answer.

Why the distractors are wrong:

• A is incorrect because AZs exist within a single Region, so spreading across them doesn't improve performance for global customers - you'd need multiple Regions or a CDN like CloudFront for that.
• C is incorrect because deploying in more AZs typically increases storage costs due to data replication, not reduces them.
• D is incorrect because AWS customers cannot shut down or control individual AZs - AWS manages all underlying infrastructure.

Memory Tip: Think of AZs as separate "buildings" within the same city (Region). If one building catches fire, your business keeps running from the others - that's resilience and high availability. For global reach, you'd need offices in different cities (Regions).

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