Migration

Question 1

The main service used to streamline migrations to AWS is ____________

Answer 1

Migration Hub

Question 2

What does AWS Application Discovery Service do?

Answer 2

It gathers information about applications inside a datacenter and exports it so that it can be analysed

Question 3

What are the 2 Application Discovery Service modes of operation

Answer 3

Agent (Specific OSs and agentless (Any OS)

Question 4

What are the 7 types of existing migration strategies?

Answer 4

-Rehost
-Replatform
-Repurchase
-Refactor
-Retire
-Retain
-Relocate

Question 5

Describe the Rehost migration strategy

Answer 5

Rehost (aka lift-and-shift) infolves migrating the workloads to AWS EC2 instances without changing anything abouts the OS, DBs, etc. Keeps the application ‘as it is’

Question 6

What are the advantages of the Rehost migration strategy?

Answer 6

It is fast, predictable and economic

Question 7

Describe the Replatform migration strategy

Answer 7

Replatform (aka lif-tinker-and-shift) involves migrating the achitecture while upgrading some aspect of it, such as changing the DB engine for AWS RDS or upgrading the windows version. This end’s up resulting in some other changes in the application code.

Question 8

Describe the Repurchase migration strategy

Answer 8

The Repurchase strategy involves substituting the current application by a SaaS application running in the cloud.

Question 9

Describe the Refactor migration strategy

Answer 9

The Refactor strategy involves reestructuring major parts of the architecture before migrating it to the cloud. One example would be migrating from a Kubernetes infrastructure to Serverless

Question 10

Describe the Retire migration strategy

Answer 10

The Retire strategy simply involves stopping the use of legacy applications that are no longer necessary

Question 11

Describe the Retain migration strategy

Answer 11

The Retain strategy involves not migrating a part of the architecture for now due to license issues, etc. May be revisited at a later date.

Question 12

Describe the Relocate migration strategy

Answer 12

The Relocate strategy involves copying VMware machines and container images to AWS and running them inside the AWS infrastructure

Question 13

True or False: Application Discovery Service data can be analysed by Athena

Answer 13

True

Question 14

The Application Migration Service’s main se case are _________ migrations

Answer 14

Rehost (Lift-and-shift)

Question 15

What are the 3 main features of AWS Control Tower?

Answer 15

• Account factory
• Guardrails
• Policy violation detection

Question 16

__________ is an AWS service that can recover you servers to AWS in case of disaster

Answer 16

Elastic Disaster Recovery (former CloudEndure Disaster Recovery)

Question 17

What is Amazon CART?

Answer 17

Cloud Adoption Readiness Tool (CART) is a set of questions over six perspectives that answer how ready your business is to migrate to AWS

Question 18

True or False: Application Migration Service cannot migrate VMs

Answer 18

False

Question 19

True or False: To use Application Migration Service, you must first install the AWS Replication Agent in each source server

Answer 19

True

Question 20

The default srvice on AWS use to migrate VM Images to EC2 is __________

Answer 20

VM Import/Export

Question 21

What is the main use case of VMWare Cloud?

Answer 21

Migrate VMWare vSphere-based workloads to AWS and have a disater recovery strategy for them