Quiz: Scaling & Monitoring

1. Which load balancer type operates at OSI Layer 7 and is best for routing HTTP traffic to microservices based on the URL path?

2. A company needs to deploy third-party firewall virtual appliances for deep packet inspection across multiple Availability Zones. Which load balancer type should they use?

3. A gaming backend experiences sudden, volatile traffic spikes and must handle millions of TCP connections per second with ultra-low latency. Which load balancer should they use?

4. An ELB routes traffic to an EC2 instance that has failed. Which ELB component determined the instance was unhealthy and stopped sending traffic to it?

5. Which AWS service monitors your resources in real time, publishes metrics, and can trigger alarms when thresholds are breached?

6. An Auto Scaling group has a minimum size of 2, a desired capacity of 3, and a maximum size of 5. A scaling policy triggers and needs to add 4 instances. How many instances will the group have after scaling?

7. A company expects traffic to double every Monday morning at 9 AM and return to normal by 6 PM. Which scaling option automatically handles this predictable pattern?

8. A CloudWatch alarm shows average CPU across an EC2 fleet has exceeded 70% for 5 minutes. The alarm triggers Auto Scaling to launch new instances. What is this action called?

9. A company wants to scale their Amazon DynamoDB tables, ECS tasks, and Aurora Replicas automatically from a single unified scaling plan. Which service provides this?

10. A company wants to monitor average CPU utilization across 100 EC2 instances and trigger an alarm when it exceeds 80% for 5 minutes. Which CloudWatch alarm components define these two thresholds?