Module 9 - Migration and Innovation

Question 1

What is AWS CAF? (explain the six areas of focus)

Answer 1

Cloud Adoption Framework. Organises guidance into six areas of focus (called perspectives):
1. Business -> focus on business capabilities
- ensures that IT aligns with business needs
2. People -> focus on business capabilities
- supports development of an organisation-wide change management strategy for successful cloud adoption
3. Governance -> focus on business capabilities
- focuses on the skills and processes to align IT strategy with business strategy
4. Platform -> focus on technical capabilities
- includes principles and patterns for implementing new solutions on the cloud, and migrating on-premises workloads to the cloud
5. Security -> focus on technical capabilities
- ensures that the organisation meets security objectives for visibility, audibility, control, and agility
6. Operations -> focus on technical capabilities
- helps you to enable, run, use, operate, and recover IT workloads to the level agreed upon with your business stakeholders

Question 2

Explain the 6 strategies for migration (The 6 Rs).

Answer 2

1. Rehosting
   - also known as “lift-and-shift” - involves moving applications without changes
2. Replatforming
   - also known as “lift, tinker, and shift” - involves making a few cloud optimisations to realise a tangible benefit
3. Refactoring/re-architecting
   - involves reimagining how an application is architected and developed by using cloud-native features
4. Repurchasing
   - involves moving from a traditional license to a SaaS model
5. Retaining
   - consists of keeping applications that are critical for the business in the source environment
   - this might include applications that require major refactoring before they can be migrated
6. Retiring
   - the process of removing applications that are no longer needed

Question 3

What is the AWS Snow Family? (explain the three different parts)

Answer 3

It is a collection of physical devices that help to physically transport up to exabytes of data into and out of AWS. Consists of three parts:
1. AWS Snowcone
- a small, rugged, and secure edge computing and data transfer device
- features 2 CPUs, 4 GB of memory, and 8 TB of usable storage
2. AWS Snowball
- two types: Snowball Edge Storage Optimised and Snowball Edge Compute Devices
3. AWS Snowmobile
- an exabyte-scale data transfer service used to move large amounts of data to AWS
- you can transfer up to 100 petabytes of data per Snowmobile, a 45-foot long ruggedised shipping container, pulled by a semi trailer truck

Question 4

Name an example of an AWS serverless application.

Answer 4

AWS Lambda

Question 5

Name four ways that AWS uses AI.

Answer 5

1. Convert speech to text with Amazon Transcribe
2. Discover patterns in text with Amazon Comprehend
3. Identify potentially fraudulent online activities with Amazon Fraud Detector
4. Build voice and text chatbots with Amazon Lex (part of Alexa)

Question 6

Give an example of a machine learning application at AWS.

Answer 6

Amazon SageMaker