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AWS Cloud Practitioner > Udemy: Practice Test #1 > Flashcards

Udemy: Practice Test #1 Flashcards

1
Q

A research group wants to use EC2 instances to run a scientific computation application that has a fault tolerant architecture. The application needs high-performance hardware disks that provide fast I/O performance. As a Cloud Practitioner, which of the following storage options would you recommend as the MOST cost-effective solution?

Amazon Elastic Block Store (EBS)
Amazon Elastic File System (Amazon EFS)
Amazon Simple Storage Service (Amazon S3)
Instance Store

A

Instance Store

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2
Q

Which of the following AWS services can be used to connect a company’s on-premises environment to a VPC without using the public internet?

VPC Endpoint
AWS Site-to-Site VPN
AWS Direct Connect
Internet Gateway

A

AWS Direct Connect

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3
Q

A data analytics company is running a proprietary batch analytics application on AWS and wants to use a storage service which would be accessed by hundreds of EC2 instances simultaneously to append data to existing files.
As a Cloud Practitioner, which AWS service would you suggest for this use-case?

Amazon Simple Storage Service (Amazon S3)
Amazon Elastic File System (Amazon EFS)
Amazon Elastic Block Store (Amazon EBS)
Instance Store

A

Amazon Elastic File System (Amazon EFS)

Amazon EFS is a file storage service for use with Amazon EC2.

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4
Q

Which of the following AWS Support plans provide access to guidance, configuration, and troubleshooting of AWS interoperability with third-party software? (Select two)

AWS Business Support
AWS Basic Support
AWS Corporate Support
AWS Enterprise Support
AWS Developer Support

A

AWS Business Support
AWS Enterprise Support

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5
Q

The DevOps team at an e-commerce company is trying to debug performance issues for its serverless application built using a microservices architecture.
As a Cloud Practitioner, which AWS service would you recommend addressing this use-case?

AWS Trusted Advisor
AWS X-Ray
AWS CloudFormation
Amazon Pinpoint

A

AWS X-Ray

Use X-Ray to analyze app performance, fix issues, and find bugs.

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6
Q

Which tool/service will help you access AWS services using programming language-specific APIs?

Integrated Development Environments (IDE)
AWS Management Console
AWS Command Line Interface (CLI)
AWS Software Developer Kit (SDK)

A

AWS Software Developer Kit (SDK)

SDKs ease AWS service use with language-specific APIs for developers.

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7
Q

Which AWS services can be used to decouple components of a microservices based application on AWS Cloud? (Select two)

Amazon Simple Notification Service (SNS)
AWS Step Functions
Amazon Elastic Compute Cloud (Amazon EC2)
Amazon Simple Queue Service (SQS)
AWS Lambda

A

Amazon Simple Notification Service (SNS)
Amazon Simple Queue Service (SQS)

Use message queuing and notification to separate app components.

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8
Q

Which of the following AWS services support reservations to optimize costs? (Select three)

Amazon DocumentDB
Amazon Elastic Compute Cloud (Amazon EC2)
Amazon Relational Database Service (Amazon RDS)
Amazon Simple Storage Service (Amazon S3)
AWS Lambda
Amazon DynamoDB

A

Amazon Elastic Compute Cloud (Amazon EC2)
Amazon Relational Database Service (Amazon RDS)
Amazon DynamoDB

Reservations typically apply to services that have predictable, long-term workloads.

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9
Q

A financial services company wants to ensure that its AWS account activity meets the governance, compliance and auditing norms.
As a Cloud Practitioner, which AWS service would you recommend for this use-case?

AWS CloudTrail
AWS Config
Amazon CloudWatch
AWS Trusted Advisor

A

AWS CloudTrail

Think about services made for tracking and logging account activities.

Governance and compliance in AWS often rely on activity logging and auditing.

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10
Q

Which AWS Support plan provides architectural guidance contextual to your specific use-cases?

AWS Business Support
AWS Developer Support
AWS Enterprise On-Ramp Support
AWS Enterprise Support

A

AWS Business Support

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11
Q

AWS Shield Advanced provides expanded DDoS attack protection for web applications running on which of the following resources? (Select two)

AWS Global Accelerator
Amazon API Gateway
AWS Elastic Beanstalk
AWS CloudFormation
Amazon Route 53

A

Amazon Route 53
AWS Global Accelerator

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12
Q

Which of the following is a benefit of using AWS managed services such as Amazon Relational Database Service (Amazon RDS)?

The performance of AWS managed Amazon Relational Database Service (Amazon RDS) instance is better than a customer-managed database instance

The customer needs to manage database backups

The customer needs to patch the underlying OS

There is no need to optimize database instance type and size

A

The performance of AWS managed Amazon Relational Database Service (Amazon RDS) instance is better than a customer-managed database instance

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13
Q

An intern at an IT company provisioned a Linux based On-demand EC2 instance with per-second billing but terminated it within 30 seconds as he wanted to provision another instance type. What is the duration for which the instance would be charged?

60 seconds
300 seconds
600 seconds
30 seconds

A

60 seconds

(There is a one-minute minimum charge for Linux based EC2 instances)

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14
Q

An e-commerce company has deployed an RDS database in a single Availability Zone (AZ). The engineering team wants to ensure that in case of an AZ outage, the database should continue working on the same endpoint without any manual administrative intervention. Which of the following solutions can address this use-case?

Configure the database in RDS read replica mode with automatic failover to the standby

Deploy the database via AWS Elastic Beanstalk

Provision the database via AWS CloudFormation

Configure the database in RDS Multi-AZ deployment with automatic failover to the standby

A

Configure the database in RDS Multi-AZ deployment with automatic failover to the standby

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15
Q

Which of the following AWS services has encryption enabled by default?

Amazon Relational Database Service (Amazon RDS)

Amazon Elastic File System (Amazon EFS)

AWS CloudTrail Logs

Amazon Elastic Block Store (Amazon EBS)

A

AWS CloudTrail Logs

AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of your AWS account.

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16
Q

Which of the following statements are CORRECT regarding the Availability Zone (AZ) specific characteristics of Amazon Elastic Block Store (EBS) and Amazon Elastic File System (Amazon EFS) storage types?

EBS volume can be attached to a single instance in the same Availability Zone (AZ) whereas EFS file system can be mounted on instances across multiple Availability Zones (AZ)

EBS volume can be attached to one or more instances in multiple Availability Zones (AZ) and EFS file system can be mounted on instances across multiple Availability Zones (AZ)

EBS volume can be attached to one or more instances in multiple Availability Zones (AZ) and EFS file system can be mounted on instances in the same Availability Zone (AZ)

EBS volume can be attached to a single instance in the same Availability Zone (AZ) and EFS file system can only be mounted on instances in the same Availability Zone (AZ)

A

EBS volume can be attached to a single instance in the same Availability Zone (AZ) whereas EFS file system can be mounted on instances across multiple Availability Zones (AZ)

17
Q

A cyber forensics team has detected that AWS owned IP-addresses are being used to carry out malicious attacks. As this constitutes prohibited use of AWS services, which of the following is the correct solution to address this issue?

Contact AWS Abuse Team

Contact AWS Developer Forum moderators

Contact AWS Support

Write an email to Jeff Bezos, the founder of Amazon, with the details of the incident

A

Contact AWS Abuse Team

18
Q

Which of the following entities applies patches to the underlying OS for Amazon Aurora?

The AWS Product Team automatically

The AWS customer by using AWS Systems Manager

The AWS Support after receiving a request from the customer

The AWS customer by SSHing on the instances

A

The AWS Product Team automatically

Amazon Aurora is fully managed by Amazon Relational Database Service (RDS), which automates time-consuming administration tasks like hardware provisioning, database setup, patching, and backups.

19
Q

Which of the following AWS services support VPC Endpoint Gateway for a private connection from a VPC? (Select two)

Amazon Elastic Compute Cloud (Amazon EC2)

Amazon Simple Notification Service (SNS)

Amazon Simple Queue Service (SQS)

Amazon DynamoDB

Amazon Simple Storage Service (Amazon S3)

A

Amazon Simple Storage Service (Amazon S3)
Amazon DynamoDB

20
Q

A multi-national corporation wants to get expert professional advice on migrating to AWS and managing their applications on AWS Cloud. Which of the following entities would you recommend for this engagement?

Concierge Support Team
APN Technology Partner
APN Consulting Partner
AWS Trusted Advisor

A

APN Consulting Partner

The AWS Partner Network (APN) is the global partner program for technology and consulting businesses

21
Q

Which of the following is an AWS database service?

Amazon Redshift
AWS Database Migration Service (AWS DMS)
AWS Storage Gateway
AWS Glue

A

Amazon Redshift

22
Q

Which AWS services can be used to facilitate organizational change management, part of the Reliability pillar of AWS Well-Architected Framework? (Select three)

AWS CloudTrail
AWS Trusted Advisor
Amazon Inspector
Amazon GuardDuty
Amazon CloudWatch
AWS Config

A

AWS CloudTrail
Amazon CloudWatch
AWS Config

23
Q

Which of the following is the MOST cost-effective option to purchase an EC2 Reserved Instance (RI)?

Partial upfront payment option with standard 3-years term

No upfront payment option with standard 3-years term

All upfront payment option with the standard 1-year term

No upfront payment option with standard 1-year term

A

Partial upfront payment option with standard 3-years term.

a 3 years term would always be more cost-effective than a 1-year term. Then within a term, “all upfront” is better than “partial upfront” which in turn is better than “no upfront” from a cost savings perspective.

24
Q

Which of the following statements are CORRECT regarding the AWS VPC service? (Select two)

A Network Address Translation instance (NAT instance) is managed by AWS

A Security Group can have both allow and deny rules

A network access control list (network ACL) can have allow rules only

A Security Group can have allow rules only

A Network Address Translation gateway (NAT gateway) is managed by AWS

A

A Security Group can have allow rules only

A Network Address Translation gateway (NAT gateway) is managed by AWS

25
Q

A startup wants to migrate its data and applications from the on-premises data center to AWS Cloud. Which of the following options can be used by the startup to help with this migration? (Select two)

Utilize AWS Partner Network (APN) to build a custom solution for this infrastructure migration

Use AWS Trusted Advisor to automate the infrastructure migration

Leverage AWS Professional Services to accelerate the infrastructure migration

Consult moderators on AWS Developer Forums

Raise a support ticket with AWS Support for further assistance

A

Leverage AWS Professional Services to accelerate the infrastructure migration.

Utilize AWS Partner Network (APN) to build a custom solution for this infrastructure migration.

26
Q

A Project Manager, working on AWS for the first time, is confused about how credits are used in AWS. There are two credits available in the manager’s account. Credit one is for $100, expires July 2022, and can be used for either Amazon S3 or Amazon EC2. Credit two is for $50, expires December 2022, and can be used only for Amazon EC2. The manager’s AWS account has incurred two charges: $1000 for Amazon EC2 and $500 for Amazon S3.
What will be the outcome on the overall bill once the credits are used? (Select two)

Then, credit two is applied to $500 for Amazon S3 usage

Credit one is applied, which expires in July, to Amazon S3 usage which leaves you with a $1000 Amazon EC2 charge and a $400 Amazon S3 charge

Only one credit can be used in one billing cycle and the customer has a choice to choose from the available ones

Then, credit two is applied to the remaining $900 of Amazon EC2 usage

Credit one is applied, which expires in July, to the Amazon EC2 charge which leaves you with a $900 Amazon EC2 charge and a $500 Amazon S3 charge

A

Credit one is applied, which expires in July, to the Amazon EC2 charge which leaves you with a $900 Amazon EC2 charge and a $500 Amazon S3 charge.

Then, credit two is applied to the remaining $900 of Amazon EC2 usage.

(Credits are applied in the following order:
Soonest expiring
Least number of applicable products
Oldest credit)

27
Q

Which of the following is CORRECT regarding removing an AWS account from AWS Organizations?

Raise a support ticket with AWS Support to remove the account

The AWS account must be able to operate as a standalone account. Only then it can be removed from AWS organizations

The AWS account must not have any Service Control Policies (SCPs) attached to it. Only then it can be removed from AWS organizations

The AWS account can be removed from AWS Systems Manager

A

The AWS account must be able to operate as a standalone account. Only then it can be removed from AWS organizations

28
Q

Which of the following are correct statements regarding the AWS Global Infrastructure? (Select two)

Each AWS Region consists of a minimum of three Availability Zones (AZ)

Each Availability Zone (AZ) consists of two or more discrete data centers

Each Availability Zone (AZ) consists of one or more discrete data centers

Each AWS Region consists of two or more Edge Locations

Each AWS Region consists of a minimum of two Availability Zones (AZ)

A

Each AWS Region consists of a minimum of three Availability Zones (AZ)

Each Availability Zone (AZ) consists of one or more discrete data centers

29
Q

Under the AWS Shared Responsibility Model, which of the following is a shared responsibility of both AWS and the customer?

Configuration Management

Availability Zone (AZ) infrastructure maintenance

Infrastructure maintenance of Amazon Simple Storage Service (Amazon S3) storage servers

Guarantee data separation among various AWS customers

A

Configuration Management

30
Q

Which option is a common stakeholder role for the AWS Cloud Adoption Framework (AWS CAF) platform perspective? (Select two)

Chief Technology Officer (CTO)
Engineer
Chief Data Officer (CDO)
Chief Information Officer (CIO)
Chief Product Officer (CPO)

A

Engineer
Chief Technology Officer (CTO)

AWS Cloud Practitioner (9 decks)

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