iPatientCare Interview Questions and Answers

Elastic IP is a static IPv4 address designed for dynamic cloud computing.

• Elastic IP is a static IP address that can be associated with an instance in a cloud environment.

• It allows users to mask the failure of an instance by rapidly remapping the address to another instance.

• Elastic IP addresses are free to use as long as they are associated with a running instance.

• They are commonly used in scenarios where users need a p...read more

Vertical scaling involves increasing the resources of a single server, while horizontal scaling involves adding more servers to distribute the load.

• Vertical scaling increases the capacity of a single server by adding more resources such as CPU, RAM, or storage.

• Horizontal scaling involves adding more servers to distribute the load, allowing for better performance and redundancy.

• Vertical scaling is limited by the capacit...read more

You can save on billing by optimizing resource usage, implementing cost management strategies, and leveraging discounts.

• Optimize resource usage by right-sizing instances and using auto-scaling

• Implement cost management strategies like setting budgets and monitoring usage

• Leverage discounts through reserved instances or spot instances

• Use cost allocation tags to track spending by project or team

CloudWatch is for monitoring and alerting, while CloudTrail is for logging and auditing AWS API calls.

• CloudWatch is used for monitoring AWS resources and applications in real-time.

• CloudTrail is used for logging AWS API calls for auditing and compliance purposes.

• CloudWatch can be used to set alarms and trigger actions based on metrics.

• CloudTrail provides a history of AWS API calls for security analysis, resource change ...read more

Testing process involves planning, designing, executing and reporting to ensure software quality.

• Identify test requirements and objectives

• Design test cases and test scenarios

• Execute tests and record results

• Report defects and track their status

• Repeat the process until all requirements are met