Migration Flashcards
The main service used to streamline migrations to AWS is ____________
Migration Hub
What does AWS Application Discovery Service do?
It gathers information about applications inside a datacenter and exports it so that it can be analysed
What are the 2 Application Discovery Service modes of operation
Agent (Specific OSs and agentless (Any OS)
What are the 7 types of existing migration strategies?
-Rehost
-Replatform
-Repurchase
-Refactor
-Retire
-Retain
-Relocate
Describe the Rehost migration strategy
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’
What are the advantages of the Rehost migration strategy?
It is fast, predictable and economic
Describe the Replatform migration strategy
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.
Describe the Repurchase migration strategy
The Repurchase strategy involves substituting the current application by a SaaS application running in the cloud.
Describe the Refactor migration strategy
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
Describe the Retire migration strategy
The Retire strategy simply involves stopping the use of legacy applications that are no longer necessary
Describe the Retain migration strategy
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.
Describe the Relocate migration strategy
The Relocate strategy involves copying VMware machines and container images to AWS and running them inside the AWS infrastructure
True or False: Application Discovery Service data can be analysed by Athena
True
The Application Migration Service’s main se case are _________ migrations
Rehost (Lift-and-shift)
What are the 3 main features of AWS Control Tower?
- Account factory
- Guardrails
- Policy violation detection
__________ is an AWS service that can recover you servers to AWS in case of disaster
Elastic Disaster Recovery (former CloudEndure Disaster Recovery)
What is Amazon CART?
Cloud Adoption Readiness Tool (CART) is a set of questions over six perspectives that answer how ready your business is to migrate to AWS
True or False: Application Migration Service cannot migrate VMs
False
True or False: To use Application Migration Service, you must first install the AWS Replication Agent in each source server
True
The default srvice on AWS use to migrate VM Images to EC2 is __________
VM Import/Export
What is the main use case of VMWare Cloud?
Migrate VMWare vSphere-based workloads to AWS and have a disater recovery strategy for them
