Exams / CLF-C02 / Networking / Question 1
CLF-C02 practice question: Networking (1 of 3)
Cloud Technology and Services A free question from our original CLF-C02 practice exam. Try it, then open the answer to see why each option is right or wrong.
A start-up is launching a website. Which TWO tasks can Amazon Route 53 perform for it? (Choose two.)
Choose two answers.
- AA. Caching images at edge locations close to the site's visitors
- BB. Registering the company's domain name
- CC. Filtering HTTP requests that contain SQL injection attempts
- DD. Encrypting the data stored in the website's database
- EE. Checking web servers' health and routing traffic away from unhealthy ones
Show the answer and explanation
Answers: B, E
- A. Wrong: Caching content at edge locations is done by Amazon CloudFront, not Route 53.
- B. Right: Correct. Route 53 can register domain names such as example.com.
- C. Wrong: Filtering malicious web requests is a job for AWS WAF.
- D. Wrong: Encryption at rest is handled by services such as AWS KMS together with the database service.
- E. Right: Correct. Route 53 health checks verify that resources are reachable, and DNS routing can avoid unhealthy resources.
Explanation
Amazon Route 53 is AWS's highly available DNS service. Its three main functions are domain registration, DNS routing that connects users to the website or application, and health checking that can send traffic away from resources that are not working.
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