CLF-C02 Cloud Technology and Services Practice Question

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  Deploy the website on additional Amazon EC2 instances in the eu-west-1 and ap-southeast-1 Regions, and use a Network Load Balancer to distribute traffic across all Regions.

  Why it's wrong here

  Adding EC2 instances in new Regions with a Network Load Balancer does not cache static assets at edge locations; it merely distributes traffic across regional origins, so users still fetch assets from distant servers, failing to reduce latency for a global user base. This option is tempting because a Network Load Balancer is designed for regional traffic distribution and fault tolerance, and would be correct if the goal were to balance load across multiple compute instances within a single Region.

  When this WOULD be correct

  This option would be correct if the question asked for a solution to distribute traffic for a dynamic, stateful application across multiple regions with high availability, and the application could be deployed in those regions without code changes.

• ✓

  Use Amazon CloudFront to distribute the static assets from AWS edge locations.

  Why this is correct

  CloudFront caches static content at edge locations around the world. When a user requests a file, CloudFront serves it from the nearest edge location, reducing latency and improving load times without any changes to the origin application.

• ✗

  Use Amazon Route 53 with geolocation routing policies to route users to the nearest AWS Region for the website.

  Why it's wrong here

  Route 53 geolocation routing directs DNS queries to the appropriate origin based on the user's location, but the origin servers remain in a single Region or few Regions. It does not cache content, so users still experience latency from the origin server's location.

  When this WOULD be correct

  If the question required directing user traffic to the nearest regional application endpoint for dynamic content (e.g., an API or web application) and the application was already deployed in multiple regions, Route 53 geolocation routing would be the correct choice to minimize latency.

• ✗

  Enable S3 Transfer Acceleration on the Amazon S3 bucket that stores the static assets.

  Why it's wrong here

  S3 Transfer Acceleration uses AWS edge locations to speed up the upload of data into an S3 bucket, not to accelerate downloads for end users. It optimizes the network path for content being written to S3, typically for large uploads or migration scenarios, but it does not cache or serve static assets from edge locations. When a website visitor requests a static asset, the request still goes directly to the bucket's regional endpoint, so the geographic distance and latency remain unchanged. Therefore, enabling it would not reduce load times for a global audience.

  When this WOULD be correct

  A company needs to upload large files (e.g., video archives, backups) from geographically distributed locations to a central S3 bucket, and wants to minimize upload time without changing the application code.

Option-by-option analysis

Why each answer is right or wrong

Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CLF-C02 exam frequently reuses these exact scenarios with slightly different constraints.

Analysis generated from the official CLF-C02blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”

Go deeper

Related to this question

Same concept, more angles

1 more way this is tested on CLF-C02

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.