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Examen Cloud / EPI / IoT4

Total questions: 60

Worksheet time: 31mins

Name
Class
Date
1.
What is the primary role of the AWS CLI?
a)
Test an EC2 instance’s internet connection
b)
Manage AWS physical servers
c)
Provide a command-line tool to interact with AWS
d)

Replace the AWS Management Console

2.

When using PuTTY in the AWS Academy Labs, which connection method is used to access AWS EC2 instances?

a)
RDP (Remote Desktop Protocol)
b)
FTP (File Transfer Protocol)
c)

SFTP (Secure File Transfer Protocol)

d)

SSH (Secure Shell)

3.
What does the “Seconds between keepalives” setting in PuTTY control?
a)
How often PuTTY sends a signal to the server to keep the SSH connection alive
b)
How long the server waits before closing PuTTY
c)
The timeout for SFTP file transfers
d)
The refresh rate of the PuTTY window
4.
Which command is used to connect the AWS CLI to your AWS Account?
a)
aws connect
b)
aws configure
c)
aws init
d)
aws setcoonection
5.

Which of the following parameters is NOT requested by the command entered in the CLI to connect to an EC2 instance?

a)
Region name
b)
Availability Zone name
c)
Output format
d)
SecretKey
6.
What is AWS Systems Manager primarily used for?
a)
Deploying Relational and NoSQL databases across AWS
b)
Monitoring billing and costs on AWS
c)
Managing DNS records on AWS
d)
Configuring and managing AWS resources
7.
Which Systems Manager feature allows you to run tasks on multiple servers simultaneously?
a)
Session Manager
b)
Inventory
c)
Run Command
d)
Parameter Store
8.
Which Systems Manager capability is used to update application settings or configurations?
a)
Parameter Store
b)
Session Manager
c)
Inventory
d)
Run Command
9.

Which feature lets you access the command line on an instance without using SSH?

a)
Parameter Store
b)
Session Manager
c)
Inventory
d)
Run Command
10.
AWS Systems Manager Inventory is used mainly to:
a)
Verify configurations and permissions
b)
Run tasks on multiple servers
c)
Update application settings or configurations
d)
Access the command line on an instance
11.

Which type of information can AWS Systems Manager Inventory collect?

a)

CloudTrail logs

b)

CloudWatch metrics

c)

Installed applications and software versions

d)

VPC routing tables

12.

Which AWS CLI command is used to create a new Amazon S3 bucket?

a)

aws s3 create-bucket

b)

aws s3api create-bucket

c)

aws s3 create

d)

aws s3api new-bucket

13.

What is the purpose of AWS CloudFormation?

a)

Store and retrieve data in AWS

b)

Monitor application performance

c)

Provide a user interface for AWS services

d)

Create and manage AWS resources using code

14.

Which AWS service is used for scalable object storage?

a)

Amazon CloudFormation

b)

Amazon CloudWatch

c)

Amazon S3

d)

Amazon EC2

15.

What does the term 'scalability' refer to in cloud computing?

a)

The ability to maintain security

b)

The ability to reduce costs

c)

The ability to manage load fluctuations by adding or removing resources

d)

The ability to increase storage capacity

16.

When running the S3 bucket creation command, what indicates that the operation was successful?

a)

A CloudWatch alarm is created

b)

A success message is displayed

c)

The bucket becomes public automatically

d)

A JSON response containing a Location name-value pair is displayed

17.

When comparing "aws s3 cp" and "aws s3 sync", which command checks the source and destination to transfer only files that are new or have been modified, instead of copying everything again?

a)

aws s3 cp, but only when used with --recursive option

b)

aws s3 cp, because it always compares file timestamps

c)

aws s3 sync, because it evaluates differences before transferring files

d)

Both commands perform this comparison automatically

18.

Which command is used to list all the S3 buckets in your AWS account?

a)

aws s3 get-buckets

b)

aws s3 show

c)

aws s3 ls

d)

aws s3 list

19.

What is an Amazon Machine Image (AMI)?

a)

A monitoring tool for AWS resources

b)

A type of storage service in AWS

c)

A database service offered by AWS

d)

A template for creating EC2 instances

20.

Which of the following is NOT a valid instance type for AWS EC2?

a)

t2.nano

b)

t2.micro

c)

t3.xlarge

d)

t2x.large

21.

What is the primary benefit of using an AMI?

a)

To reduce costs associated with storage

b)

To quickly launch new EC2 instances with pre-configured settings

c)

To manage user permissions on EC2 instances

d)

To monitor the performance of EC2 instances

22.

When selecting an EC2 instance type, which resource is NOT typically considered?

a)

Disk I/O performance

b)

Virtual CPUs

c)

Memory

d)

Operating system version

23.

In the instance type name "t2", what does the letter 't' represent?

a)

The instance family identifier

b)

The instance generation

c)

The memory size

d)

The maximum CPU count

24.

What does the number in an instance type name (for example, the 2 in t2) indicate?

a)

The generation of the instance, where higher numbers are newer

b)

A reference to the AWS Region in which the instance is created

c)

The network performance level

d)

The size of the instance

25.

Which of the following is TRUE about created AMIs from existing instances?

a)

They are automatically deleted after 24 hours

b)

They cannot include EBS-backed storage

c)

They replace the original EC2 instance

d)

They can be used to launch multiple new EC2 instances

26.

How many target groups can you attach to a single Application Load Balancer?

a)

Only 1

b)

Up to 5

c)

Up to 50

d)

There’s no strict low limit

27.

Which of the following are NOT included in a Launch Template? (Choose TWO)

a)

AMI ID

b)

Instance Type

c)

Security Groups

d)

Load Balancer

e)

Auto Scaling Group

28.

Which of the following components are part of an Auto Scaling Group? (Choose Three)

a)

Launch Template

b)

Minimum, Maximum, and Desired instance counts

c)

Scaling Policies

d)

OS for the EC2 instances

e)

CloudFormation tool

29.

What feature of CloudWatch allows you to automatically take action based on metrics?

a)

CloudTrail

b)

Alarms

c)

IAM Policies

d)

EventBridge

30.

Which AWS service can you use to install the CloudWatch Agent on EC2 instances?

a)

AWS CloudTrail

b)

AWS Lambda

c)

AWS Config

d)

AWS Systems Manager Run Command

31.

What is the main purpose of JMESPath in AWS CLI commands?

a)

Create resources

b)

Filter and query JSON output from AWS CLI

c)

Monitor metrics

d)

Tag resources automatically

32.

Which of the following is an example of a JMESPath query?

a)

aws ec2 describe-instances --query 'Reservations[].Instances[].InstanceId'

b)

aws ec2 create-instance --query 'InstanceId'

c)

aws s3 cp file.txt --query 'Bucket'

d)

aws iam list-users --query 'CreateUser'

33.

Which of the following is a valid tag structure in AWS?

a)

Key: Environment, Value: Production

b)

Key: 123, Value: 1.0

c)

Name = Project, Value = ERPSystem

d)

Name = "Env", Value = "Staging"

34.

What file formats can be used to write CloudFormation templates? (Choose TWO)

a)

JSON

b)

XML

c)

YAML

d)

TF

35.

What is a "stack" in CloudFormation?

a)

A collection of AWS accounts

b)

A group of AWS resources

c)

A CloudWatch dashboard

d)

An IAM role

36.

Which of the following is NOT a key component of a CloudFormation template?

a)

Resources

b)

Parameters

c)

Inputs

d)

Outputs

37.

Why is indentation important in a CloudFormation YAML template?

a)

It improves the performance of the resources being created

b)

It defines the structure and hierarchy of the template

c)

It replaces the need for parameters

d)

It is required for comments

38.

Which CloudFormation intrinsic function is used to reference another resource or parameter in YAML?

a)

!Get

b)

!Link

c)

!Ref

d)

!ImportValue

39.

In a CloudFormation YAML file, how is a list of values correctly defined?

a)

SecurityGroups: sg-12345, sg-67890

b)

SecurityGroups:

- sg-12345

- sg-67890

c)

SecurityGroups = [sg-12345, sg-67890]

d)

SecurityGroups:

sg-12345

sg-67890

40.

You have configured an EC2 instance with a web server and custom software. You want to launch identical instances later with the same configuration.

What should you do FIRST?

a)

Create a snapshot of the root volume

b)

Create an AMI from the EC2 instance

c)

Save the instance configuration in CloudWatch

d)

Add the instance to an Auto Scaling Group

41.

You want your Auto Scaling Group to always launch instances with the same AMI, instance type, security groups, and user data.

Which AWS resource should define these settings?

a)

Target Group

b)

Load Balancer

c)

CloudWatch Alarm

d)

Launch Template

42.

Your Auto Scaling Group has: Minimum = 2, Desired = 4, Maximum = 6.

One instance becomes unhealthy.

What will Auto Scaling do?

a)

Reduce desired capacity to 3

b)

Terminate all instances

c)

Terminate the unhealthy instance and launch a new one to keep 4 instances

d)

Do nothing

43.

You want to be notified when EC2 CPU usage stays above 70% for 5 minutes.

Which CloudWatch feature should you use?

a)

CloudWatch Alarm

b)

CloudWatch Logs

c)

CloudWatch Dashboard

d)

CloudTrail

44.

You need to collect memory usage and application logs from EC2 instances.

What must you install?

a)

CloudTrail agent

b)

CloudWatch Agent

c)

Load Balancer access logs

d)

AWS Console

45.

You want to host a static website accessible publicly from an S3 bucket.

Which two actions are REQUIRED? (Choose TWO)

a)

Enable versioning

b)

Enable static website hosting

c)

Attach a bucket policy allowing public read access

d)

Enable CloudWatch Logs

e)

Enable uploading data to the bucket

46.

You want to deploy EC2 instances, S3 buckets and some other resources repeatedly in a consistent way.

What AWS service should you use?

a)

AWS CLI scripts

b)

AWS CloudFormation

c)

AWS CloudWatch

d)

AWS Systems Manager

47.

Which metric is used MOST often to trigger Auto Scaling policies?

a)

Disk Input/Output Operations Per Second

b)

Network packets

c)

CPU Utilization

d)

Instance Health

48.

You want to analyze application error messages generated by your EC2 instances.

Which CloudWatch feature should you use?

a)

CloudWatch Logs

b)

CloudWatch Metrics

c)

CloudWatch Alarms

d)

CloudTrail

49.

You update a CloudFormation template to add a new EC2 instance.

What happens when you update the stack?

a)

All existing resources are deleted

b)

Only the new resource is created while existing ones remain unchanged

c)

All existing resources are recreated

d)

The stack fails automatically because we must create a new template

50.

What happens by default when the update of a CloudFormation stack fails?

a)

New resources remain partially created

b)

The stack is deleted

c)

CloudFormation rolls back to the previous stable state

d)

The update continues anyway

51.

You want to create multiple EC2 instances with the same OS, applications, and configuration.

Which is the BEST choice?

a)

AMI

b)

EBS Snapshot

c)

Instance type

d)

Launch Template

52.

Which part of the following command defines the ACTION to perform?
aws ec2 stop-instances --instance-id i-1234567 --output json

a)

ec2

b)

stop-instances

c)

--instance-id i-1234567

d)

--output json

53.

What are the possible states of an Awazon Cloudwatch Alarm? (Choose THREE)

a)

In alarm

b)

OK

c)

Insufficient Data

d)

Terminated

e)

Idle

54.

Whch AWS service enables you to build a script-like template that represents a group of AWS resources, and that can be used to launch precisely defined environments on AWS?

a)

AWS CloudFormation

b)

AWS EC2

c)

Custom AMIs

d)

AWS Launch Templates

55.

Which CloudWatch component does an alarm monitor?

a)

Logs

b)

Events

c)

Metrics

d)

Dashboards

56.

Which of the following is a valid action for a CloudWatch Alarm?

a)

Modify IAM policies

b)

Create an S3 bucket

c)

Send a notification via Amazon SNS

d)

Stop an EC2 instance

57.

Which alarm state indicates that the metric is within the defined threshold?

a)

IN_ALARM

b)

OK

c)

PENDING

d)

UNKNOWN

58.

You want to list EC2 instances that have a given tag. Which command should you use?

a)

"aws ec2 list-instances" with tag filters

b)

"aws ec2 get-tags" with tag filters

c)

"aws ec2 show-tags" with tag filters

d)

"aws ec2 describe-instances" with tag filters

59.

Which AWS CLI command is used to ADD or UPDATE tags on an EC2 instance?

a)

aws ec2 create-tags

b)

aws ec2 add-tags

c)

aws ec2 update-tags

d)

aws ec2 tag-instance

60.

Which section is used to configure a resource after specifying its type?

a)

Metadata

b)

DependsOn

c)

Properties

d)

Outputs