API gateway concept in HLD - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define the main role of an API gateway.

HLD

An API gateway acts as a [1] between clients and backend services.

Drag options to blanks, or click blank then click option'

Aproxy

Bdatabase

Cfrontend

Dcache

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing API gateway with a database or cache.

Thinking API gateway is a frontend component.

An API gateway acts as a proxy that routes client requests to the appropriate backend services.

2fill in blank

medium

Complete the code to describe a key feature of API gateways.

HLD

API gateways often provide [1] to control access and protect backend services.

Drag options to blanks, or click blank then click option'

Aauthentication

Bload balancing

Cdata storage

Dlogging

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing authentication with load balancing or logging.

Thinking API gateway stores data.

API gateways commonly provide authentication to verify client identity before forwarding requests.

3fill in blank

hard

Fix the error in the description of API gateway functionality.

HLD

API gateway [1] requests directly to databases without any processing.

Drag options to blanks, or click blank then click option'

Aignores

Bsends

Croutes

Dblocks

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing options that imply no processing or blocking requests.

Misunderstanding the routing role of API gateway.

The API gateway routes requests to backend services, not directly to databases without processing.

4fill in blank

hard

Fill both blanks to complete the API gateway request flow.

HLD

Client sends a request to the API gateway, which [1] the request and then [2] it to the correct backend service.

Drag options to blanks, or click blank then click option'

Avalidates

Bignores

Cforwards

Dblocks

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing options that imply ignoring or blocking requests.

Confusing validation with ignoring.

The API gateway first validates the request to ensure it is correct and authorized, then forwards it to the appropriate backend service.

5fill in blank

hard

Fill all three blanks to describe API gateway features in request handling.

HLD

The API gateway [1] incoming requests, [2] them for security, and [3] responses back to clients.

Drag options to blanks, or click blank then click option'

Areceives

Bvalidates

Csends

Dignores

Attempts:

3 left

💡 Hint

Common Mistakes

Selecting 'ignores' for any blank.

Mixing up the order of receiving, validating, and sending.

The API gateway receives requests, validates them to ensure security, and sends responses back to clients.