API API Error Handling and Debugging 2

Question 1

What does a 408 Request Timeout status code mean?

Accepted Answer

The client didn't send a request within the server's timeout period

Answer

Server processing took too long

Answer

Database query timed out

Answer

SSL handshake failed

Question 2

What is 'error propagation' in microservices API testing?

Accepted Answer

How errors from one service flow through and affect dependent services

Answer

Spreading errors intentionally for testing

Answer

Logging errors to multiple systems

Answer

Retrying failed requests

Question 3

What is 'retry logic' in API client design?

Accepted Answer

Automatically retrying failed requests with transient errors

Answer

Repeating all test cases

Answer

Restarting the API server

Answer

Re-running performance tests

Question 4

What is 'exponential backoff' in API retry strategies?

Accepted Answer

Increasing the wait time between retries exponentially after each failure

Answer

Decreasing request rate over time

Answer

Backing up API data exponentially

Answer

Reducing payload size with each retry

Question 5

What does a 409 Conflict status code indicate in REST APIs?

Accepted Answer

The request conflicts with the current state of the resource

Answer

Authentication conflict

Answer

Network packet collision

Answer

Version mismatch

Question 6

What is 'circuit breaker' pattern in API error handling?

Accepted Answer

Stopping calls to a failing service to allow it to recover

Answer

Breaking the API into microservices

Answer

Encrypting failed requests

Answer

Caching error responses