AWS CloudWatch Interview Questions Flashcards
Amazon CloudWatch is a part of the Amazon Web Services family and is a management tool which is developed for system architects, administrators as well as developers. In order to have your best shot at cracking an AWS interview, here are the most common AWS interview questions for AWS aspirants.
Define Amazon Cloudwatch.
As mentioned above, Amazon CloudWatch is a management tool and is a part of the Amazon Web Services family. It is basically a monitoring service for AWS cloud resources and all applications run on the AWS platform.
CloudWatch can be used to track and collect metrics, set alarms, collect and monitor log files, and also monitor resources such as EC2 instances, RDS DB instances, and DynamoDB tables.
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Name the operating systems on which CloudWatch runs.
CloudWatch is a truly versatile system and it is capable of receiving and providing metrics for all EC2 instances and currently works on any operating system supported by EC2.
What kinds of things can I do with CloudWatch logs?
As CloudWatch is capable of storing and monitoring a client’s logs and help them better understand how their systems and applications are operating.
CloudWatch can be used to log in multiple ways, which are as mentioned below:
- Long-term log retention
- Real-Time application and system monitoring
Which platforms support CloudWatch Logs Agent?
he CloudWatch logs agent is supported by a number of operating systems and platforms. The list of the same is as mentioned below:
- CentOS
- Amazon Linux
- Ubuntu
- Red Hat Enterprise Linux
- Windows
Does the CloudWatch logs agent support IAM roles?
Yes, the CloudWatch logs agent is very much capable of supporting and integrating with IAM and has access to both keys and IAM roles.
List out the retention period of all metrics.
CloudWatch retains all its metrics accordingly as mentioned in the table below.
- Any data points or high-resolution custom metrics with a span of fewer than 60 seconds are available for 3 hours.
- Data points with a period of 60 seconds are available for 15 days.
- Data points with a period of 5 minutes are available for 63 days.
- Data points with a period of 1 hour are available for 455 days or 15 months.
