Quiz about AWS Cloud Services Quiz

Question 1

Why is AWS more economical than traditional data centers for applications with varying compute workloads?

Accepted Answer

Amazon EC2 instances can be launched on-demand when needed.

Answer

AWS offers fixed pricing plans regardless of usage.

Answer

AWS requires long-term contracts for resource usage.

Answer

AWS provides unlimited free compute resources.

Question 2

If your project requires monthly reports that iterate through very large amounts of data, which Amazon Elastic Cloud (Amazon EC2) purchasing option should you consider?

Accepted Answer

Scheduled Reserved Instances

Answer

On-Demand Instances

Answer

Spot Instances

Answer

Dedicated Hosts

Question 3

What is included in an Amazon Machine Image (AMI)?

Accepted Answer

All of the above

Answer

A template for the root volume required for a server

Answer

Launch permissions that control which AWS accounts can use the AMI

Answer

A block device mapping that specifies the volumes to attach to the instance when it's launched

Question 4

Which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures your instances will not share a physical host with instances from any other customer?

Accepted Answer

Dedicated Instances

Answer

Reserved Instances

Answer

Spot Instances

Answer

On-Demand Instances

Question 5

Which of the following services is a serverless compute service in AWS?

Accepted Answer

AWS Lambda

Answer

Amazon EC2

Answer

Amazon Elastic Beanstalk

Answer

Amazon ECS

Question 6

What is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud?

Accepted Answer

AWS Elastic Beanstalk

Answer

AWS CloudFormation

Answer

AWS CodeDeploy

Answer

AWS OpsWorks

Question 7

Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?

Accepted Answer

Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month

Answer

Run twelve On-Demand Instances all the time

Answer

Run four Reserved Instances and eight Spot Instances

Answer

Run twelve Reserved Instances all the time

Question 8

Containers contain an entire operating system. True or False?

Accepted Answer

False

Answer

True

Question 9

Which Amazon EC2 option is best for long-term workloads with predictable usage patterns?

Accepted Answer

Reserved Instances

Answer

On-Demand Instances

Answer

Spot Instances

Answer

Dedicated Hosts

Question 10

Which of the following must be specified when launching a new Amazon Elastic Compute Cloud (Amazon EC2) Windows Instance?

Accepted Answer

Amazon EC2 Instance type

Accepted Answer

Amazon Machine Image (AMI)

Answer

Key Pair

Answer

Security Group

Question 11

True or False? Amazon Simple Storage Service (Amazon S3) is an object storage suitable for the storage of flat files like Microsoft Word documents, photos, etc.

Accepted Answer

True

Answer

False

Question 12

Amazon S3 replicates all objects _______.

Accepted Answer

In multiple Availability Zones within the same region

Answer

In multiple AWS Regions

Answer

In a single Availability Zone

Answer

Nowhere, replication must be set up manually

Question 13

Which of the following can be used as a storage class for an object lifecycle policy?

Accepted Answer

S3 - Infrequent Access

Accepted Answer

S3 Glacier

Accepted Answer

S3 - Standard Access

Answer

S3 - One Zone-Infrequent Access

Question 14

The name of an S3 bucket must be unique ______________.

Accepted Answer

Worldwide across all AWS accounts

Answer

Within your AWS account

Answer

Within the selected region

Answer

Within your VPC

Question 15

You can use Amazon Elastic File System (Amazon EFS) to:

Accepted Answer

Implement storage for Amazon EC2 instances that multiple virtual machines can access

Answer

Store objects like photos and videos

Answer

Create a file system for a single EC2 instance

Answer

Store data archives that are infrequently accessed

Question 16

Amazon Elastic Block Store (Amazon EBS) is recommended when data _____ and _______.

Accepted Answer

Must be quickly accessible, requiring long-term persistence

Accepted Answer

Requires an encryption solution

Answer

Does not need to be accessed frequently

Answer

Can be stored on ephemeral storage

Question 17

By default, all data stored in Amazon S3 is viewable by the public.

Accepted Answer

False

Answer

True

Question 18

Regarding Amazon S3 Glacier, what is a Vault?

Accepted Answer

A container for storing archives

Answer

A storage class for frequently accessed data

Answer

A backup solution for Amazon EBS

Answer

A security feature for encrypting S3 data

Question 19

When you create a bucket in Amazon S3, it is associated with a specific AWS Region.

Accepted Answer

True

Answer

False

Question 20

Which of the following are features of Amazon Elastic Block Store (Amazon EBS)?

Accepted Answer

Data stored on Amazon EBS is automatically replicated within an Availability Zone

Accepted Answer

Amazon EBS volumes can be encrypted transparently to workloads on the attached instance

Answer

Amazon EBS volumes can be attached to multiple instances at the same time

Answer

Amazon EBS volumes are automatically replicated across multiple regions

Question 21

You are designing an ecommerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold the session state in this example?

Accepted Answer

Amazon DynamoDB

Answer

Amazon RDS

Answer

Amazon Redshift

Answer

Amazon Aurora

Question 22

You need to find an item in an Amazon DynamoDB table using an attribute other than the item's primary key. Which of the following operations should you use?

Accepted Answer

Scan

Answer

GetItem

Answer

Query

Answer

BatchGetItem

Question 23

In Amazon DynamoDB, what does the query operation enable you to do?

Accepted Answer

All of the above

Answer

Retrieve data quickly from a table

Answer

Find items based on primary key values

Answer

Filter results based on criteria

Question 24

Which AWS Cloud service is best suited for analyzing your data by using standard structured query language (SQL) and your existing business intelligence (BI) tools?

Accepted Answer

Amazon Redshift

Answer

Amazon DynamoDB

Answer

Amazon RDS

Answer

Amazon Aurora

Question 25

In Amazon DynamoDB, an attribute is ________.

Accepted Answer

A fundamental data element

Answer

A unique identifier for a table

Answer

A collection of items

Answer

A set of permissions for accessing the table

Question 26

Which of the following use cases is appropriate for using Amazon Relational Database Service (Amazon RDS)?

Accepted Answer

Complex transactions

Answer

Storing unstructured data

Answer

Real-time analytics

Answer

Storing key-value pairs

Question 27

A company has an application, which consists of a .NET layer that connects to a MySQL database. They want to move this application onto AWS and use AWS features such as high availability and automated backups. Which of the following would be an ideal database for this use case?

Accepted Answer

Amazon Aurora

Answer

Amazon DynamoDB

Answer

Amazon Redshift

Answer

Amazon ElastiCache

Question 28

If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, which service would you consider?

Accepted Answer

Amazon DynamoDB

Answer

Amazon RDS

Answer

Amazon Redshift

Answer

Amazon ElastiCache

Question 29

True or False? Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period and enabling point-in-time recovery.

Accepted Answer

True

Answer

False

Question 30

What should you consider when choosing a database type?

Accepted Answer

All of the above

Answer

Data structure

Answer

Scalability requirements

Answer

Query capabilities

Question 31

Which of the following is not one of the four areas of the Performance Efficiency pillar of the AWS Well-Architected Framework?

Accepted Answer

Traceability

Answer

Selection

Answer

Review

Answer

Monitoring

Question 32

Which of the following is a principle when designing cloud-based systems?

Accepted Answer

Assume everything will fail

Answer

Use monolithic architecture

Answer

Provision hardware for peak load

Answer

Prioritize manual processes over automation

Question 33

Which of the following are pillars of the AWS Well-Architected Framework?

Accepted Answer

Security

Accepted Answer

Operational Excellence

Accepted Answer

Cost Optimization

Answer

Scalability

Question 34

Which design principles are recommended when considering performance efficiency?

Accepted Answer

Use serverless architecture

Accepted Answer

Democratize advanced technologies

Answer

Use vertical scaling

Answer

Prioritize hardware over software solutions

Question 35

AWS Trusted Advisor provides insight regarding which five categories of an AWS account?

Accepted Answer

Performance, cost optimization, security, fault tolerance, service limits

Answer

Scalability, compliance, reliability, availability, cost

Answer

Security, compliance, networking, storage, databases

Answer

Monitoring, logging, notification, automation, optimization

Question 36

The AWS Well-Architected Framework is organized into how many pillars?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 37

After you move to the AWS Cloud, you want to ensure that the right security settings are put in place. Which online tool can assist in security compliance?

Accepted Answer

AWS Trusted Advisor

Answer

AWS CloudWatch

Answer

AWS CloudTrail

Answer

AWS Config

Question 38

Which of the following is a measure of your system's ability to provide functionality when desired by the user?

Accepted Answer

Reliability

Answer

Performance

Answer

Scalability

Answer

Security

Question 39

What is defined as the ability for a system to remain operational even if some of the components of that system fail?

Accepted Answer

Fault Tolerance

Answer

High Availability

Answer

Elasticity

Answer

Scalability

Question 40

Which of the following best describes a system that can withstand some measures of degradation, experiences minimal downtime, and requires minimal human intervention?

Accepted Answer

Highly available

Answer

Fault tolerant

Answer

Elastic

Answer

Scalable

Question 41

Which of the following AWS tools help your application scale up or down based on demand?

Accepted Answer

Amazon EC2 Auto Scaling

Accepted Answer

Elastic Load Balancing

Answer

AWS CloudTrail

Answer

AWS Config

Question 42

Which service would you use to send alerts based on Amazon CloudWatch alarms?

Accepted Answer

Amazon Simple Notification Service (Amazon SNS)

Answer

Amazon Simple Queue Service (Amazon SQS)

Answer

AWS Lambda

Answer

AWS CloudTrail

Question 43

Which of the following are characteristics of Amazon EC2 Auto Scaling? (Choose 3)

Accepted Answer

Responds to changing conditions by adding or terminating instances

Accepted Answer

Launches instances from a specified Amazon Machine Image (AMI)

Accepted Answer

Enforces a minimum number of running Amazon EC2 instances

Answer

Requires manual scaling adjustments

Question 44

Which of the following must be configured on an Elastic Load Balancing load balancer to expect incoming traffic?

Accepted Answer

A listener

Answer

A target group

Answer

A security group

Answer

A load balancer policy

Question 45

Which of the following elements are used to create an Amazon EC2 Auto Scaling launch configuration? (Choose 3)

Accepted Answer

Amazon Machine Image (AMI)

Accepted Answer

Instance type

Accepted Answer

Amazon Elastic Block Store (Amazon EBS) volumes

Answer

Security group

Question 46

Which of the following services can help you collect important metrics from Amazon Relational Database Service (Amazon RDS) and Amazon Elastic Compute Cloud (Amazon EC2) instances?

Accepted Answer

Amazon CloudWatch

Answer

AWS CloudTrail

Answer

AWS Config

Answer

AWS X-Ray

Question 47

Which of the following are elements of an Auto Scaling group? (Choose 3)

Accepted Answer

Maximum size

Accepted Answer

Desired capacity

Accepted Answer

Minimum size

Answer

Launch configuration

Question 48

There is an audit at your company and they need to have a big log of all access to AWS resources in the account. Which of the following services can assist in providing these details?

Accepted Answer

AWS CloudTrail

Answer

Amazon CloudWatch

Answer

AWS Config

Answer

AWS Trusted Advisor

Question 49

In Elastic Load Balancing, when the load balancer detects an unhealthy target, which of the following are true? (Choose 3)

Accepted Answer

Stops routing traffic to that target

Accepted Answer

Resumes routing traffic when it detects that the target is healthy again

Accepted Answer

Routes traffic to a healthy target

Answer

Continues to send traffic to the unhealthy target

Question 50

What are the three types of load balancers that Elastic Load Balancing offers? (Choose 3)

Accepted Answer

Application Load Balancer

Accepted Answer

Network Load Balancer

Accepted Answer

Classic Load Balancer

Answer

Gateway Load Balancer

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