Migration Flashcards

1
Q

The main service used to streamline migrations to AWS is ____________

A

Migration Hub

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2
Q

What does AWS Application Discovery Service do?

A

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

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3
Q

What are the 2 Application Discovery Service modes of operation

A

Agent (Specific OSs and agentless (Any OS)

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4
Q

What are the 7 types of existing migration strategies?

A

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

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5
Q

Describe the Rehost migration strategy

A

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’

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6
Q

What are the advantages of the Rehost migration strategy?

A

It is fast, predictable and economic

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7
Q

Describe the Replatform migration strategy

A

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.

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8
Q

Describe the Repurchase migration strategy

A

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

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9
Q

Describe the Refactor migration strategy

A

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

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10
Q

Describe the Retire migration strategy

A

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

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11
Q

Describe the Retain migration strategy

A

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.

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12
Q

Describe the Relocate migration strategy

A

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

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13
Q

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

A

True

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14
Q

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

A

Rehost (Lift-and-shift)

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15
Q

What are the 3 main features of AWS Control Tower?

A
  • Account factory
  • Guardrails
  • Policy violation detection
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16
Q

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

A

Elastic Disaster Recovery (former CloudEndure Disaster Recovery)

17
Q

What is Amazon CART?

A

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

18
Q

True or False: Application Migration Service cannot migrate VMs

A

False

19
Q

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

A

True

20
Q

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

A

VM Import/Export

21
Q

What is the main use case of VMWare Cloud?

A

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