Practice Exam 3

Question 1

Benefits of Using Dynamo DB?

Answer 1

1. Performance at Scale (milli-seconds response time, apps with unlimited throughput & storage).
2. Serverless.
3. Highly Available.

Question 2

NoSQL engines supported by DynamoDB?

Answer 2

None (has its built-in)!

Question 3

concept referring to the Provision of resources in minutes.

Answer 3

Cloud’s agility.

Question 4

What is CRR?

Answer 4

Cross Region Replication.

Question 5

What is used to control network traffic?

Answer 5

NACLs.

Security Groups.

Question 6

Is IAM used to control Network traffic?

Answer 6

NO

Question 7

What is used to interconnect VPCs & on-premise networks?

Answer 7

AWS Transit Gateway

Question 8

What helps organizations design and travel an accelerated path to successful cloud adoption ?

Answer 8

CAF : Cloud Adoption Framework , created by professional services.

Question 9

Where is the Cost Explorer?

Answer 9

In the AWS Billing & Cost Management Console.

Question 10

Consolidated Billing is a feature of What Service?

Answer 10

AWS Organisations

Question 11

Does EC2 scale automatically ?

Answer 11

NO

Question 12

What Services Scale without intervention?

Answer 12

Lambda,

S3

Question 13

Does EMR auto-scales?

Answer 13

It doesn’t on it’s own. But you can configure the AWS auto-scaling to scale EMR.

Question 14

Is S3 used as a cost-effective database and log storage?

Answer 14

Databases and dynamic websites require block-level storage (such as EBS). S3 is an object-level storage, not Block-level storage. Object-level storage has limited I/O and is therefore ill-suited for use as a database store.

Question 15

When to use IAM as a certificate manager instead of ACM?

Answer 15

IAM as a certificate manager only when you must support HTTPS connections in a region that is not supported by ACM.

Question 16

What is (SSO)?

Answer 16

Single sign-on (SSO) enables a company’s employees to sign in to AWS using their existing corporate Microsoft Active Directory credentials.

Question 17

AWS shared controls?

Answer 17

Controls that apply to both infrastructure layer and customer layer, but in completely separate contexts or perspectives

Question 18

Who is responsible for securing the infrastructure?

Answer 18

Sole responsibility of AWS

Question 19

When to use Snowball Vs. Snowmobile?

Answer 19

< 10 Peta-byte = Snowball

Question 20

What services allow the creation of RDS instances?

Answer 20

CloudFormation & AWS management console

Question 21

Can we create RDS instances with AWS DMS (data migration service)?

Answer 21

No

Question 22

What services helps to perform security analysis & compliance auditing?

Answer 22

CloudTrial , AWS Config & Amazon Inspector

Question 23

Does AWS Service Catalog enable customers to explore the different catalogs of AWS services

Answer 23

AWS Service Catalog doesn’t contain catalogs by default. Each customer creates their own service catalog.

Question 24

What does AWS Service Catalog provide?

Answer 24

AWS Service Catalog allows organizations to create and manage catalogs of IT services that are approved for use on AWS.

Question 25

Benefits of implementing a tagging strategy for AWS resources?

Answer 25

- Track Spending. | - Identify Project Resources

Question 26

Can we track API calls using a tagging strategy?

Answer 26

AWS CloudTrail is the service that can be used to track API calls in your AWS account.

Question 27

machine learning service that can be used to deliver highly customized recommendations

Answer 27

Amazon Personalize

Question 28

Serverless, machine learning-powered business intelligence (BI) service built for the cloud, and used to create and publish interactive BI dashboards

Answer 28

Amazon QuickSight

Question 29

Service used to restrict what services and actions are allowed in each individual account?

Answer 29

AWS SCPs Service Control Policies. | AWS Organisation Policy

Question 30

serverless compute engine for Amazon Elastic Container Service (Amazon ECS)

Answer 30

Amazon Fargate

Question 31

Recommendations regarding access keys.

Answer 31

Do not share with anyone. | Rotate them regularly.

Question 32

To avoid unexpected costs, it is recommended to:

Answer 32

- Terminate all unused EC2 instances. - Release Unused Elastic IPs. - Delete unused Elastic Load Balancers. - Delete unused EBS volumes.

Question 33

Do we need to delete unused Autoscaling launch configuration to avoid unexpected costs?

Answer 33

No

Question 34

Service used to send global promotional text messages (SMS)

Answer 34

SNS: Simple Notification Service

Question 35

An activity that supports the Operational Excellence pillar of the AWS-Well Architected Framework?

Answer 35

Using CloudFormation to manage infrastructure as code. | {That is an addition to monitoring & improving processes}

Question 36

Determining the appropriate database technology to use for a specific workload

Answer 36

- # of read/writes per second. | - Nature of the queries.

Question 37

one of the factors while choosing AWS region.

Answer 37

Data sovereignty (binary information subject to law)

Question 38

Used to engage your customers by sending them targeted and transactional email, SMS, push notifications, and voice messages.

Answer 38

Amazon PinPoint