Multiple choice

When designing a loose coupling infrastructure, which of the following examples represents service discovery?

  1. Ability of EC2 Instances to discover Internet Gateway

  2. Ability to assign Elastic IP Addresses

  3. Ability to identify services in the AWS Console

  4. Use of DNS names to identify endpoints instead of IP Addresses such as ELBs

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Service discovery in loose coupling refers to using DNS names or service endpoints rather than hardcoded IP addresses. This allows services to be dynamically located and accessed without clients knowing their exact IP addresses, enabling infrastructure flexibility.