An HTTP API is created using API Gateway. During testing of the application, it was observed that some users are getting errors while accessing this application. The Operations Team is looking for the count of client-side errors.
Which API Gateway metric can be checked in Amazon CloudWatch to get these details?

Answer options:

A.2XXError
B.3XXError
C.4XXError
D.5XXError

Correct Answer: C
Amazon API Gateway sends metric data every minute to Amazon CloudWatch. Following are the metrics
4XXError
5XXError
CacheHitCount
CacheMissCount
Count
IntegrationLatency
Latency
Metric 4XXError captures client-side errors which give a count of errors occurring during a specific period.
Options A and B are incorrect as these are invalid metrics for API Gateway.
Option D is incorrect as this will capture server-side errors.
For more information on monitoring Amazon API Gateway using AWS CloudWatch, refer to the following URL,
https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-metrics-and-dimensions.html