You Need to Create a Simple, Holistic Check for Your

Multiple Choice

You need to create a simple, holistic check for your system's general availablity and uptime. Your system presents itself as an HTTP-speaking API. What is the most simple tool on AWS to achieve this with?

A) Route53 Health Checks
B) CloudWatch Health Checks
C) AWS ELB Health Checks
D) EC2 Health Checks