Why API Gateway matters in AWS - Quick Recap

Recall & Review

beginner

What is an API Gateway in simple terms?

An API Gateway is like a receptionist for your backend services. It takes requests from users, decides where to send them, and sends back the responses.

beginner

How does an API Gateway help with security?

It acts as a gatekeeper by checking who can access your services, blocking bad requests, and managing keys or tokens to keep your system safe.

intermediate

Why is API Gateway important for scaling applications?

It helps manage many users by controlling traffic, balancing loads, and preventing your backend from getting overwhelmed.

intermediate

What role does API Gateway play in monitoring and logging?

It tracks all requests and responses, so you can see how your services are used and find problems quickly.

beginner

How does API Gateway simplify backend service management?

It lets you combine many services behind one address, so users don’t need to know about each service separately.

What is a primary function of an API Gateway?

A Running backend business logic

B Storing user data permanently

C Routing requests to the correct backend service

D Designing user interfaces

API Gateway routes incoming requests to the appropriate backend services.

How does API Gateway improve security?

A By encrypting backend databases

B By designing firewalls

C By creating user accounts

D By validating and authorizing incoming requests

API Gateway checks who can access services and blocks unauthorized requests.

Which feature helps API Gateway handle many users at once?

A Traffic management and throttling

B Data encryption

C User interface design

D Database indexing

API Gateway manages traffic to prevent overload by throttling requests.

What does API Gateway provide to help with debugging?

A Logging and monitoring of requests

B Automatic code fixes

C User feedback forms

D Database backups

API Gateway logs requests and responses to help find and fix issues.

Why is it easier for users when using an API Gateway?

A They get direct access to all backend servers

B They only need to know one endpoint address

C They can change backend code

D They can bypass security checks

API Gateway provides a single endpoint, hiding the complexity of multiple backend services.

Explain in your own words why an API Gateway is important in modern web applications.

Think about how a receptionist helps manage visitors in a busy office.

Describe how API Gateway contributes to application scalability and security.

Consider how a gate controls who enters and how many people enter at once.