Practice Test

True or False: Data migration is not significant for any data storage process.

  • True
  • False

Answer: False

Explanation: Data migration is a crucial process in which data is transferred between storage systems, formats, or computer systems. It is essential in upgrading or consolidating systems.

Which of the following is a factor to consider while aligning data storage with data migration requirements?

  • A. Data volume
  • B. Data sensitivity
  • C. Data accessibility
  • D. All of the above

Answer: D. All of the above

Explanation: All these factors – volume, sensitivity, and accessibility – are important to consider in both data storage and data migration processes.

True or False: AWS Data Migration Service cannot aid in migrating databases to AWS quickly and securely.

  • True
  • False

Answer: False

Explanation: AWS Data Migration Service is designed to migrate databases to AWS swiftly and securely with minimal downtime.

Select the correct AWS service for sensitive data storage alignment with the data migration process.

  • A. AWS S3
  • B. AWS Glacier
  • C. Amazon Macie
  • D. All the above

Answer: C. Amazon Macie

Explanation: Amazon Macie is a security service that uses machine learning to automatically discover, classify, and protect sensitive data.

During a data migration process, should the type of storage (like SSD, HDD) be considered for alignment?

  • A. Yes
  • B. No

Answer: A. Yes

Explanation: Different storage types come with different performance characteristics, hence considering the storage type during data migration can significantly impact the process efficiency.

True or False: A hybrid cloud model can address some data migration needs for data storage.

  • True
  • False

Answer: True

Explanation: A hybrid cloud model can combine on-premises, private cloud and public cloud services with orchestration between them, providing flexibility for data migration needs.

Does AWS support live data migration?

  • A. Yes
  • B. No

Answer: A. Yes

Explanation: AWS Data Migration Service supports both homogeneous and heterogeneous migrations such as Oracle to Oracle as well as Oracle to Amazon Aurora.

Which of the following Amazon services is primarily used for archival data storage in alignment with data migration requirements?

  • A. AWS S3
  • B. AWS EBS
  • C. AWS Glacier
  • D. Amazon Redshift

Answer: C. AWS Glacier

Explanation: AWS Glacier is a secure, durable, and extremely low-cost Amazon S3 cloud storage service for data archiving and long-term backup.

True or False: The size and complexity of the data impact the time required for the data migration process.

  • True
  • False

Answer: True

Explanation: The size and complexity of the data indeed influence the duration of the data migration process.

As a Data Engineer, which AWS service will you utilize for securely scaling compute capacity in a data migration process?

  • A. AWS Glue
  • B. AWS Lambda
  • C. AWS Elastic Beanstalk
  • D. AWS S3

Answer: B. AWS Lambda

Explanation: AWS Lambda automatically scales applications in response to incoming request volume, making it suitable for scaling computing capacity during data migration.

Can AWS Snowball be used for large scale data migrations in alignment with data storage requirements?

  • A. Yes
  • B. No

Answer: A. Yes

Explanation: AWS Snowball is a petabyte-scale data transport solution that uses secure devices to transfer large amounts of data into and out of AWS, especially suitable for large scale data migrations.

True or False: The data transfer medium (like Internet, Direct Connect) has no impact on data migration process.

  • True
  • False

Answer: False

Explanation: The data transfer medium significantly impacts the speed, security, and dependability of the data migration process.

CloudEndure Migration, a service provided by AWS, cannot be utilized for migrating applications from any physical, virtual, or cloud-based infrastructure to AWS.

  • A. True
  • B. False

Answer: B. False

Explanation: CloudEndure Migration is indeed an AWS service that simplifies, expedites, and reduces the cost of cloud migration by offering a highly automated lift-and-shift solution.

Data Storage and Data Migration requirements can be aligned more efficiently with high computing capacity.

  • A. True
  • B. False

Answer: A. True

Explanation: A high computing capacity can process and move large amounts of data quickly, helping to more efficiently align data storage and migration requirements.

A homogenous data migration means moving data from different types of databases (like Oracle to MySQL).

  • A. True
  • B. False

Answer: B. False

Explanation: In a homogenous migration, data moves between the same types of databases, e.g., Oracle to Oracle. The scenario described (Oracle to MySQL) is a heterogeneous migration.

Interview Questions

What does the AWS Snowball service provide in terms of data migration?

AWS Snowball service provides a secure, physical device for the transportation of large amounts of data into and out of AWS, removing the common challenges associated with large-scale data transfers over the internet.

Can you move data directly from on-premises storage to Amazon S3 using AWS Direct Connect?

Yes, you can. AWS Direct Connect makes it easy to establish a dedicated network connection from your premises to AWS, which can reduce your network costs, increase bandwidth throughput, and provide a more consistent network experience than Internet-based connections.

How does AWS Storage Gateway align with data storage and data migration?

AWS Storage Gateway provides a virtual or hardware appliance that resides in your on-premise data center and provides seamless and secure integration between your on-premise data and Amazon’s storage infrastructure on the cloud.

What does the Amazon S3 Glacier service provide in terms of data storage?

Amazon S3 Glacier service provides secure, durable, and extremely low-cost cloud storage service for data archiving and long-term backup.

How can data be copied across AWS regions?

AWS users can use services like Amazon S3 Cross-Region Replication (CRR) to automatically replicate every S3 object (including all versions of the object) uploaded to a particular S3 bucket to a destination bucket located in a different region.

What is AWS DataSync used for?

AWS DataSync is an online data transfer service that simplifies, automates, and accelerates moving data between on-premises storage systems and AWS Storage services, as well as between AWS Storage services.

What is the purpose of AWS Glue?

AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy for users to prepare and load their data for analytics.

Can Amazon RDS replicate data across multiple AWS Regions?

Yes, Amazon RDS supports Multi-AZ deployments for data replication. With Multi-AZ, you can create read replicas in different AWS Regions for disaster recovery purposes.

How does Amazon Elastic File System (EFS) assist with data migration?

Amazon EFS provides a simple, scalable, elastic NFS file system for Linux-based workloads for use with AWS Cloud services and on-premises resources. It assists with data migration by creating highly available and scalable data storage.

In terms of AWS, what does data migration refer to?

In AWS terms, data migration refers to the transfer of data from one region or system to another, typically from an on-premise data centre to cloud storage or from one AWS service to another for better data management, cost-optimization, or improving application performance.

What ensures secure data transfer during data migration in AWS?

AWS provides various encryption methods and services, such as AWS Key Management Service, AWS CloudHSM, and IAM roles, to securely manage keys that control access to data, ensuring secure data transfer during data migration.

Why is it important to maintain data classification and labeling during the data migration process?

Maintaining data classification and labeling is essential to ensure that data is handled according to its sensitivity level during the migration process, to meet compliance requirements, and to properly manage access controls.

What are some strategies for data replication in AWS?

AWS provides various data replication strategies, including AWS Snowball for bulk data transfer, Amazon S3 Transfer Acceleration for fast, secure transfer over long distances, and AWS Direct Connect for dedicated network connections.

How can AWS DMS (Database Migration Service) be used in data migration?

AWS DMS can be used to migrate relational databases, non-relational databases, and other types of data stores. It can support homogeneous migrations as well as heterogeneous migrations such as Oracle to Amazon Aurora, or Microsoft SQL Server to MySQL.

What is the purpose of Amazon Kinesis in terms of data migration?

Amazon Kinesis makes it easy to collect, process, and analyze real-time, streaming data so you can get timely insights and react quickly to new information, allowing for seamless data migration and storage alignment.

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