Task 2.2: Implement Highly Available and Resilient Environments. SOA-C03 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   An application behind a Network Load Balancer uses TCP port 443 for client connections. The health check is configured with protocol TCP and port 443. What does this health check verify?

   • AThat the target's SSL certificate is valid and trusted
   • BThat the target returns a 200 OK response on port 443
   • CThat the target's application logic is functioning correctly
   • DThat the target accepts TCP connections on port 443
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   A web application runs behind an Application Load Balancer. The application's health check endpoint returns a 200 status code when healthy. Which health check settings should be used to verify the application's health?

   • AProtocol: TCP, Port: 443, Path: /health, Healthy threshold: 3, Unhealthy threshold: 3
   • BProtocol: HTTPS, Port: 443, Path: /, Healthy threshold: 5, Unhealthy threshold: 2
   • CProtocol: HTTP, Port: 8080, Path: /health, Healthy threshold: 2, Unhealthy threshold: 5
   • DProtocol: HTTP, Port: 80, Path: /health, Healthy threshold: 2, Unhealthy threshold: 2
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   What is the primary purpose of enabling Multi-AZ for an Amazon RDS database instance?

   • ATo scale the database horizontally to handle more write traffic
   • BTo improve read performance by distributing read traffic across multiple instances
   • CTo create a backup of the database in a different region
   • DTo provide automatic failover to a standby instance in a different Availability Zone
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   An application behind an Application Load Balancer has targets that intermittently fail health checks. The health check is configured with a 5-second interval, a 2-second timeout, and 2 consecutive failures required to mark unhealthy. The application's login page occasionally takes 3 seconds to respond during peak load. What is the most likely cause of the intermittent health check failures?

   • AThe health check interval is too long.
   • BThe health check timeout is shorter than the application's response time.
   • CThe health check port is incorrect.
   • DThe unhealthy threshold is set too low.
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   A company wants to monitor the health of an HTTPS endpoint that requires a valid SSL/TLS certificate. Which Route 53 health check type should be used?

   • AHTTPS health check
   • BHTTP health check
   • CTCP health check
   • DCalculated health check
   Reveal Solution Discussion Select an answer first