Foundations of Cloud Computing/AWS Services

Question 1

High Availability refers to systems that are

Answer 1

durable and likely to operate continuously without failure for a long time

Question 2

Agility in the cloud allows you to

Answer 2

innovate faster, giving you speed to market via all the services available

Question 3

Durability in the cloud is all about long-term data protection. This means

Answer 3

your data will remain intact without corruption.

Question 4

What are the 6 Major Advantages of AWS?

Answer 4

1. Benefit from massive economies of scale
2. Trade Fixed Capital expense for Variable Expenses
3. Increased Speed & Agility
4. Global in minutes
5. No need to maintain a data center
6. Your capacity matches your growth.

Question 5

Elaborate on the AWS advantage Increased Speed & Agility:

Answer 5

AWS Services allow you to innovate and deliver your applications faster.

Question 6

Explain the difference between Region, AZ, and data center?

Answer 6

Regions are geographically isolated locations around the globe that has 2 or more AZ’s within it
-An AZ has one or more data centers within it

Question 7

Elaborate on the AWS advantage “Benefit from massive economies of scale”

Answer 7

Volume discounts are passed on to you, which provides lower pay-as-you-go prices.

Question 8

Some features of Route 53 (2)

Answer 8

• Performs health checks on AWS resources
• Supports hybrid cloud architectures

Question 9

Route 53 is a ________ that routes users to applications.

Answer 9

DNS service

Question 10

AWS Direct Connect is a dedicated

Answer 10

physical network connection from your on-premises data center to AWS.

Question 11

When AWS Direct Connect Features your data travels over a

Answer 11

physical private network directly to AWS from your on-premises data center, not the public internet

Question 12

Using Direct Connect in the Real World allows you to transfer

Answer 12

business-critical data directly to AWS, bypassing your internet service provider

Question 13

AWS VPN Site-to-Site VPN creates a secure connection
between your internal networks and your AWS VPCs. How is this different from AWS Direct Connect?

Answer 13

Similar to Direct Connect, but data travels over the public internet

Question 14

AWS VPN Site-to-Site Features (3)

Answer 14

• Data is automatically encrypted
• Connects your on-premises data center to AWS
• Supports hybrid cloud architectures

Question 15

A benefit of using Batch is it dynamically provisions instances based on _______.

Answer 15

Volume

Question 16

Outpost allows to run cloud services in your ________/

Answer 16

internal data center.

Question 17

When using AWS Outpost Amazon will

Answer 17

deliver and install servers in your internal data center.

Question 18

Outpost supports workloads that need to remain on-premises due to _________________.

Answer 18

latency or data sovereignty needs

Question 19

Athena and Redshift fall under which category

Answer 19

Analytics

Question 20

AWS Batch is a compute service that is used to _______________.

Answer 20

process large workloads in smaller batches.

Question 21

Batch manages compute environments and job queues, allowing you to

Answer 21

run thousands of jobs using EC2 and EC2 Spot.

Question 22

CLOUD9, CLOUD COMMIT fall under which category

Answer 22

Development

Question 23

RDS, DynamoDB, Aurora, DocumentDB, ElastiCache, Neptune fall under which category

Answer 23

Databases:

Question 24

AWS Lightsail is a cloud-based

Answer 24

virtual private server (VPS) solution.

Question 25

AWS Lightsail includes everything you need to jumpstart your project i.e a

Answer 25

1. virtual machine 2. SSD-based storage 3. DNS management 4. Static IP address

Question 26

4 cloud architectures design principle in AWS

Answer 26

Design for failure. Decouple your components Implement elasticity Think parallel

Question 27

Loose coupling Application design is when

Answer 27

a change or a failure in one component should not cascade to other components.

Question 28

You need to enable your Amazon EC2 instances in the public subnet to connect to the public Internet.

Answer 28

Internet Gateway

Question 29

You need to enable your EC2 instances in the private subnet to connect to the public Internet. Which service would help you accomplish this?

Answer 29

Network Address Translation (NAT) service

Question 30

4 Key Business Factors to consider when choosing a region to host your applications

Answer 30

1. Proximity to Customers 2. Available services within a Region 3. Pricing of Services in that Region 4. Compliance with data governance and legal requirements It cost more to run AWS in some regions over others

Question 31

Amazon Elastic Kubernetes Service (EKS) is a fully managed service that you can use to

Answer 31

run Kubernetes on AWS

Question 32

Network Address Translation (NAT) service allows EC2 instances in a private subnet to connect to services outside your VPC but external services

Answer 32

cannot initiate a connection with those instances

Question 33

Kubernetes is open-source software that enables you to deploy and manage

Answer 33

containerized applications at scale

Question 34

Amazon Textract is a machine learning service that automatically

Answer 34

extracts text and data from scanned documents

Question 35

Amazon Augmented AI is a machine learning service that makes it easy to build

Answer 35

workflows that require human review

Question 36

Amazon SageMaker is a service that

Answer 36

enables you to quickly build, train, and deploy machine learning models

Question 37

AWS KMS is integrated with AWS CloudTrail which provides you the ability to audit

Answer 37

who used which keys, on which resources, and when.

Question 38

There are 3 common types of cloud computing model that come up in the exam:

Answer 38

Infrastructure as a service (IaaS). Platform as a service (PaaS). Software as a service (SaaS).

Question 39

Platform as a Service (PaaS) removes the need for your organization to manage the underlying infrastructure and allows you to focus on

Answer 39

deployment and management of your applications.

Question 40

Software as a Service (SaaS) provides you with a completed product that is run and managed

Answer 40

by the service provider.

Question 41

AWS Snowball is best used for (3)

Answer 41

Bulk data transfer, edge storage, and edge compute

Question 42

AWS WAF is a web application firewall that protects against common exploits that could (3)

Answer 42

* Compromise Application Availability * Security * Or consume excessive resources

Question 43

AWS Web Application Firewall (WAF) lets you create rules to filter web traffic based on (3)

Answer 43

1. IP addresses 2. HTTP headers and body 3. Specific URL's

Question 44

AWS Key Management Service gives you centralized control over the

Answer 44

encryption keys used to protect your data.

Question 45

AWS Key Management Service is integrated with most other AWS services making it easy to

Answer 45

encrypt the data you store in these services with encryption keys you control.