1. Which type of API endpoint is NOT a valid endpoint type?

A) Regional
B) Edge-optimized
C) Public
D) Private

2. Amazon API Gateway can connect to on-premise integrations.

A) True
B) False

3. Which is the best method for authenticating federated users of your API?

A) API Keys
B) Custom authorizer
C) Amazon Cognito
D) AWS Lambda
E) Active Directory

4. If a backend is experiencing a performance bottleneck, what are some options to mitigate the issue? (Choose two)

A) Caching
B) IP blacklisting
C) Load balancing
D) Throttling requests
E) Deploying another API

5. What are some metrics that are available in CloudWatch?

A) Latency
B) 5xx errors
C) Cache hit count
D) Count
E) All of the above