Section 28: Disaster Recovery and Migrations

Question 1

A period of time in which an enterprise’s operations must be restored following a disruptive event, e.g., a cyberattack, natural disaster or communications failure

Answer 1

Recovery Point Objective (RPO)

Question 2

The maximum tolerable length of time that a computer, system, network or application can be down after a failure or disaster occurs

Answer 2

Recovery Time Objective (RTO)

Question 3

Recovery type that involves backing up resources at certain periods with the intention of restoring those backups in case of disaster

Answer 3

Backup and Restore

Question 4

Disaster recovery scenario in which a minimal version of an environment is always running in the cloud

Answer 4

Pilot Light

Question 5

Disaster recovery scenario in which a scaled-down version of a fully functional environment is always running in the cloud

Answer 5

Warm Standby

Question 6

Disaster recovery scenario where an environment runs in AWS as well as on your existing on-site infrastructure, in an active-active configuration

Answer 6

Hot Site / Multi Site

Question 7

A managed migration and replication service that helps move your database and analytics workloads to AWS quickly, securely, and with minimal downtime and zero data loss

Answer 7

Database Migration Service (DMS)

Question 8

Database migration tool used to convert your existing database schema from one database engine to another

Answer 8

AWS Schema Conversion Tool (SCT)

Question 9

True/False: You need to use the AWS Schema Conversion tool during any database migration - including ones to/from the same engine

Answer 9

False

Question 10

Service that helps you gather information about your on-premise servers in order to plan a migration

Answer 10

AWS Application Discovery Service

Question 11

Service that allows you to configure backup policies and monitor activity for your AWS resources in one place

Answer 11

AWS Backup

Question 12

Feature of a backup vault, which allows you to lock backups so that they cannot be altered or deleted by a customer, account/data owner, or AWS

Answer 12

AWS Backup Vault Lock

Question 13

As part of your Disaster Recovery plan, you would like to have only the critical infrastructure up and running in AWS. You don’t mind a longer Recovery Time Objective (RTO). Which DR strategy do you recommend?

Answer 13

Pilot Light

Question 14

You would like to get the Disaster Recovery strategy with the lowest Recovery Time Objective (RTO) and Recovery Point Objective (RPO), regardless of the cost. Which DR should you choose?

Answer 14

Multi-Site

Question 15

Which Disaster Recovery strategy has the highest Recovery Point Objective (RPO) and Recovery Time Objective (RTO)?

Answer 15

Backup and Restore

Question 16

You want to make a Disaster Recovery plan where you have a scaled-down version of your system up and running, and when a disaster happens, it scales up quickly. Which DR strategy should you choose?

Answer 16

Warm Standby

Question 17

A company planning to migrate its existing websites, applications, servers, virtual machines, and data to AWS. They want to do a lift-and-shift migration with minimum downtime and reduced costs. Which AWS service can help in this scenario?

Answer 17

AWS Application Migration Service

Question 18

A company is using VMware on its on-premises data center to manage its infrastructure. There is a requirement to extend their data center and infrastructure to AWS but keep using the technology stack they are using which is VMware. Which AWS service can they use?

Answer 18

VMware Cloud on AWS

Question 19

How can you migrate an RDS for MySQL database to Aurora?

Answer 19

Create a snapshot of the RDS database and restore it to Aurora

Question 20

What service can you use to stream the existing data files as well as any ongoing file updates from Amazon S3 to Amazon Kinesis Data Streams?

Answer 20

Database Migration Service (DMS)