Practice Test

True or False: RDS snapshots are a point-in-time copy of your database instance.

  • True
  • False

Answer: True

Explanation: The point-in-time snapshot feature of Amazon RDS allows you to back up your entire DB instance, including system volume, log volumes, and all the data files.

In AWS, can Amazon Data Lifecycle Manager be used to automate the creation, retention, and deletion of snapshots?

  • True
  • False

Answer: True

Explanation: Amazon Data Lifecycle Manager helps you automate snapshot management tasks, saving time and resources in the backup and retention in EC

RTO (Recovery Time Objective) refers to the time it takes to restore from a backup or snapshot in case of loss.

  • True
  • False

Answer: True

Explanation: RTO is the desired length of time between an interruption to a service and the restoration of that service. This is a measure of time connected to service recovery.

AWS Backup is a fully managed backup service that makes it easy to centralize and automate the backups of data across AWS services. Is that right?

  • True
  • False

Answer: True

Explanation: AWS Backup automates the backup and recovery tasks required to protect applications and data from human error, script errors, and malicious activity.

Which AWS service allows you to automate backup scheduling, retention, and restore tasks for RDS databases?

  • A. AWS Lambda
  • B. AWS CloudFormation
  • C. AWS Solution Architect
  • D. AWS Backup

Answer: D. AWS Backup

Explanation: AWS Backup is a centralized backup service that makes it easier to back up AWS resources, including backing up RDS databases.

Can RPO (Recovery Point Objective) be defined as the maximum acceptable amount of data loss measured in units of time?

  • True
  • False

Answer: True

Explanation: RPO is often measured in units of time – seconds, minutes, hours. It refers to the maximum acceptable amount of data loss that a company can handle.

True or False: The retention policy of Amazon RDS doesn’t control how long automatic backups are retained.

  • True
  • False

Answer: False

Explanation: Retention policy in Amazon RDS controls how long automatic backups are kept before being automatically deleted.

Can Amazon Data Lifecycle Manager automate the lifecycle of EBS snapshots only?

  • True
  • False

Answer: False

Explanation: Although initially only for EBS, now Amazon Data Lifecycle Manager can manage the lifecycle of EBS volumes, RDS databases, and AWS Storage Gateway volumes.

In AWS, is it possible to share RDS snapshots with other AWS accounts?

  • True
  • False

Answer: True

Explanation: Amazon RDS creates automated backups of your DB instances and retains them according to the configured retention period. These snapshots can be shared with other AWS accounts.

Is it necessary to pause the database operations during an AWS RDS snapshot?

  • True for multi-AZ deployments
  • False for single deployments

Answer: True for multi-AZ deployments, False for single deployments.

Explanation: For Multi-AZ deployment, I/O activity is not suspended on the primary during a snapshot while for a Single-AZ DB instance, DB instance is paused during the snapshot.

Does Amazon Data Lifecycle Manager take snapshots only at the instance level?

  • True
  • False

Answer: False

Explanation: Amazon Data Lifecycle Manager can take snapshots at the instance level, volume level or both depending on the configuration.

Is AWS Backup compatible with Amazon DynamoDB and Amazon RDS?

  • True
  • False

Answer: True

Explanation: AWS Backup supports several AWS services, including Amazon DynamoDB, Amazon RDS, Amazon EFS, and others.

True or False: Amazon Data Lifecycle Manager can manage the lifecycle of your on-premises volumes and databases.

  • True
  • False

Answer: False

Explanation: Amazon Data Lifecycle Manager specifically manages the lifecycle of AWS resources like EBS volumes, RDS databases, and AWS Storage Gateway volumes.

Can Amazon RDS automatically backup your database, log files, and database transaction log?

  • True
  • False

Answer: True

Explanation: Amazon RDS creates automated backups of your DB instances. This backup includes the database, log files, and the transaction logs.

Does Amazon S3 offers lifecycle management for object storage?

  • True
  • False

Answer: True

Explanation: Amazon S3’s lifecycle policy is designed to automate the tiering, archival, and retrieval or expiration of data to help customers manage costs, meet their compliance needs, and partition data across the appropriate tiers of storage.

Interview Questions

What AWS service automates snapshots based on defined use cases and retention policies?

Amazon Data Lifecycle Manager automates the creation, retention, and deletion of Amazon EBS volume snapshots.

What is the purpose of AWS Backup service?

AWS Backup is a fully managed backup service that makes it easy to centralize and automate the backup of data across AWS services including Amazon RDS, Amazon DynamoDB, Amazon EFS, and AWS Storage Gateway.

What do RTO and RPO stand for in disaster recovery planning?

RTO stands for Recovery Time Objective which is the duration of time within which a business process must be restored after a disaster. RPO stands for Recovery Point Objective which is the maximum acceptable amount of data loss measured in time before the disaster occurred.

How does Amazon RDS handle backups?

Amazon RDS creates automated backups of your DB instance during the backup window of your DB instance. It saves the backup files to an Amazon S3 bucket.

What is a snapshot in AWS?

A snapshot is a point-in-time copy of your data. Amazon RDS and Amazon EBS use snapshots for backup and restore operations.

What is the retention policy concerning AWS services?

A retention policy in AWS terms is the length of time that each individual recovery point lives before being automatically deleted.

Can you restore individual tables from Amazon RDS snapshots?

No, you cannot restore individual tables from a DB snapshot; you can only restore full DB instances.

How do you backup Amazon EFS (Elastic File System)?

Amazon EFS file systems can be backed up using AWS Backup service.

How long does AWS Backup retain automatic backups?

The default backup retention period set by AWS Backup service is 35 days.

How many recovery points does AWS Backup retain?

AWS Backup service retains recovery points based on the lifecycle policy you define, there is no hard limit to the number of recovery points it can retain.

What AWS service can you use to create a disaster recovery plan?

You can use AWS CloudEndure Disaster Recovery for implementing a disaster recovery plan.

What are the supported sources for AWS Backup?

AWS Backup supports Amazon DynamoDB, Amazon RDS, Amazon EFS, Amazon EBS, and AWS Storage Gateway as backup sources.

What is the purpose of Amazon S3 Glacier as related to data backup?

Amazon S3 Glacier and Glacier Deep Archive are secure, durable, and extremely low-cost Amazon S3 cloud storage classes for long-term data backup and archive.

Can you control the timing of an automated backup in Amazon RDS?

Yes, you can control the timing of the automated backup for an Amazon RDS DB instance by setting the preferred backup window.

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