Core Services Names and Descriptions

Question 1

Describe Amazon EC2

Answer 1

A service that provides secure and resizable virtual servers on AWS, and is the compute mainstay of IaaS

Question 2

Describe AMW Elastic Beanstalk

Answer 2

Platform (PaaS) for scaling and deploying web apps and services across a specific list of technologies

Question 3

What are some of the platforms and technologies supported by AWS Elastic Beanstalk

Answer 3

• Java,
• .NET,
• PHP,
• Node.js,
• Python,
• Ruby,
• Go,
• Docker

on

• Apache,
• Nginx,
• Passenger, and
• IIS

Question 4

Describe the AWS Lambda Service

Answer 4

Service that enables you to use compute resources without having to launch or manage the underlying infrastructure - this is leveraged in serverless architectures

FaaS

Question 5

Describe Amazon Route 53

Answer 5

Highly-available AWS Domain Name Service (DNS) service that can be leveraged in creating highly available and fault tolerant applications.

Question 6

Describe Amazon VPC

Answer 6

Logically isolates a section of the overall AWS cloud, wherein you can launch AWS resources in a virtual network that you define.

Question 7

Describe Direct Connect

Answer 7

Cloud services soultion that makes it easy to establish a dedicated network connection from an on-prem data center to AWS. This connection does not go over the public Internet

Question 8

Describe Amazon API Gateway

Answer 8

Fully managed API management service that handles concepts like authentication, logging, and throttling for your API layer.

Question 9

Describe Amazon CloudFront

Answer 9

Amazon’s global Content Delivery Network (CDN) service that enables your users to get content from a server that is closest to them.

This is a global service.

Question 10

Describe AWS Global Accelerator

Answer 10

AWS networking service that routes your traffic through the ASW global network, increasing the overall speed through optimizations by AWS.

Question 11

Describe Elastic Load Balancing

Answer 11

Service that allows you to distribute traffic across multiple targets (including EC2, ECS, Lambda)

Question 12

Describe ECS

Answer 12

Amazon service for containers, making it easy to deploy, manage, and scale Docker containers running your applications, services, and batch processes.

Question 13

Describe S3

Answer 13

Service that provides object storage for objects up to 5 TB in size - with no limit on the total storage

Question 14

How do Glacier and Glacier Deep Archive distinguish themselves from S3?

Answer 14

These are archival-focused object stores. They are designed for objects you need to keep, but don’t plan to access (or you have sufficient time from request to available time to access).

Question 15

What is EBS, and when would you use it?

Answer 15

Persistent block storage designed for use with a single EC2 server. It can scale to support petabytes of data and supports different volume types.

• Because it persists, you can use it on EC2 instances and have your data/file system on the next spun up instance.
• Because it is a block store, it can be formatted to hold “normal” block-oriented file systems, or block-oriented database storage.

Question 16

What is EFS?

Answer 16

Fully managed NFS file system designed for Linux workloads with support for petabytes of data.

This service can be used in a hybrid cloud architecture.

Question 17

What is AWS Snowball?

Answer 17

Petabyte scale data transfer service, where a physical device is delivered to your organization and returned by a local carrier to be loaded into Amazon S3

Question 18

What is AWS Snowmobile

Answer 18

An Exabyte scale data transfer service, where a ruggedized shipping container is sent to your premises to then be loaded into Amazon S3

Question 19

Describe SNS

Answer 19

This is a managed pub/sub messaging service. This can enable fan-out architecture with one message triggering consumption and action by multiple consumers

Question 20

What is SQS?

Answer 20

This is a managed message queue service. This can enable fault tolerant and serverless applications. This supports standard and FIFO queues.

Question 21

What are AWS Step Functions

Answer 21

These manage the orchestration of complex workflows. They are defined by FSMs, using the Amazaon States Language. They can be appropriate for a serverless architecture.

Question 22

Describe AWS CloudTrail

Answer 22

This is a service that provides an audit trail for *all* services used in an AWS account (across all interaction methods)

Question 23

What is AWS CloudFormation?

Answer 23

Managed service for launching infrastructure based on templates. This approach is known as Infrastructure as Code (IaC). Service provides “drift detection” to know when infrastructure has veered from what is defined in the template.