You Have Enabled Elastic Load Balancing HTTP Health Checking

question 445

Multiple Choice

You have enabled Elastic Load Balancing HTTP health checking. After looking at the AWS Management Console, you see that all instances are passing health checks, but your customers are reporting that your site is not responding. What is the cause?

• A) The HTTP health checking system is misreporting due to latency in inter-instance metadata synchronization.
• B) The health check in place is not sufficiently evaluating the application function.
• C) The application is returning a positive health check too quickly for the AWS Management Console to respond.
• D) Latency in DNS resolution is interfering with Amazon EC2 metadata retrieval.

---

Definitions:

Germ Layers

The three primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo that give rise to all organs and tissues in the body.

Embryonic Disk

Point in the inner cell mass at which the embryo begins to be formed.

Ectoderm

Outermost of the three germ layers of an embryo.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and the circulatory system.