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AWS CTF - Udemy Practice Test > Technology > Flashcards

Technology Flashcards

1
Q

Which of the following are correct statements regarding the AWS Global Infrastructure?

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
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2
Q

Which of the following is a serverless AWS service?

  • AWS Lambda
  • Amazon Elastic Compute Cloud (Amazon EC2)
  • Amazon EMR
  • AWS Elastic Beanstalk
A

AWS Lambda

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3
Q

A big data analytics company is moving its IT infrastructure from an on-premises data center to AWS Cloud. The company has some server-bound software licenses that it wants to use on AWS. As a Cloud Practitioner, which of the following EC2 instance types would you recommend to the company?

A

Dedicated Host

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4
Q

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

A

The AWS Product Team automatically

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5
Q

Compared to the on-demand instance prices, what is the highest possible discount offered for spot instances?

A

90

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6
Q

A unicorn startup is building an analytics application with support for a speech-based interface. The application will accept speech-based input from users and then convey results via speech. As a Cloud Practitioner, which solution would you recommend for the given use-case?

A

Use Amazon Transcribe to convert speech to text for downstream analysis. Then use Amazon Polly to convey the text results via speech

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7
Q

A company wants to improve the resiliency of its flagship application so it wants to move from its traditional database system to a managed AWS NoSQL database service to support active-active configuration in both the East and West US AWS regions. The active-active configuration with cross-region support is the prime criteria for any database solution that the company considers.

Which AWS database service is the right fit for this requirement?

A

Amazon DynamoDB with global tables

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8
Q

Which of the following Amazon S3 storage classes takes the most time to retrieve data (also known as first byte latency)?

A

Amazon S3 Glacier Deep Archive

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9
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?

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)

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10
Q

A silicon valley based healthcare startup stores anonymized patient health data on Amazon S3. The CTO further wants to ensure that any sensitive data on S3 is discovered and identified to prevent any sensitive data leaks. As a Cloud Practitioner, which AWS service would you recommend addressing this use-case?

A

Amazon Macie

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11
Q

Which AWS Route 53 routing policy would you use to route traffic to multiple resources and also choose how much traffic is routed to each resource?

A

Weighted routing

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12
Q

A company needs a storage solution for a project wherein the data is accessed less frequently but needs rapid access when required. Which S3 storage class is the MOST cost-effective for the given use-case?

A

Amazon S3 Standard-Infrequent Access (S3 Standard-IA)

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13
Q

Which of the following is an AWS database service?

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

Amazon Redshift

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14
Q

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

A

AWS Software Developer Kit (SDK)

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15
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?

A

AWS X-Ray

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16
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?

A

Amazon Elastic File System (Amazon EFS)

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17
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?

A

Instance Store

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18
Q

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

A
  • AWS Config
  • AWS CloudTrail
  • Amazon CloudWatch
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19
Q

Which of the following are the storage services offered by the AWS Cloud? (Select two)

  • Amazon Simple Queue Service (SQS)
  • Amazon Elastic Compute Cloud (Amazon EC2)
  • Amazon Simple Storage Service (Amazon S3)
  • Amazon Elastic File System (Amazon EFS)
  • Amazon Simple Notification Service (SNS)
A
  • Amazon Simple Storage Service (Amazon S3)
  • Amazon Elastic File System (Amazon EFS)
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20
Q

A company wants to identify the optimal AWS resource configuration for its workloads so that the company can reduce costs and increase workload performance. Which of the following services can be used to meet this requirement?

A

AWS Compute Optimizer

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21
Q

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

A
  • Amazon Simple Queue Service (SQS)
  • Amazon Simple Notification Service (SNS)
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22
Q

Which of the following AWS services should be used to automatically distribute incoming traffic across multiple targets?

A

AWS Elastic Load Balancing (ELB)

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23
Q

An e-commerce company wants to store data from a recommendation engine in a database. As a Cloud Practioner, which AWS service would you recommend to provide this functionality with the LEAST operational overhead for any scale?

A

Amazon DynamoDB

24
Q

A data analytics company stores its data on Amazon Simple Storage Service (Amazon S3) and wants to do SQL based analysis on this data with minimum effort. As a Cloud Practitioner, which of the following AWS services will you suggest for this use case?

A

Amazon Athena

25
Q

AWS Compute Optimizer delivers recommendations for which of the following AWS resources?

A
  • Amazon Elastic Compute Cloud (Amazon EC2) instances
  • Amazon EC2 Auto Scaling groups
  • Amazon Elastic Block Store (Amazon EBS)
  • AWS Lambda functions
26
Q

Which AWS service enables users to find, buy, and immediately start using software solutions in their AWS environment?

A

AWS Marketplace

27
Q

Which AWS service helps with global application availability and performance using the AWS global network?

A

AWS Global Accelerator

28
Q

A fleet of Amazon EC2 instances spread across different Availability Zones (AZ) needs to access, edit and share file-based data stored centrally on a system. As a Cloud Practitioner, which AWS service would you recommend for this use-case?

A

Amazon Elastic File System (Amazon EFS)

29
Q

Which AWS service should be used when you want to run container applications, but want to avoid the operational overhead of scaling, patching, securing, and managing servers?

A

Amazon Elastic Container Service (Amazon ECS) - Fargate launch type

30
Q

A customer has created a VPC and a subnet within AWS Cloud. Which of the following statements is correct?

A

An Amazon Virtual Private Cloud (Amazon VPC) spans all of the Availability Zones (AZ) in the Region whereas a subnet spans only one Availability Zone (AZ) in the Region

31
Q

A gaming company is looking at a technology/service that can deliver a consistent low-latency gameplay to ensure a great user experience for end-users in various locations.

Which AWS technology/service will provide the necessary low-latency access to the end-users?

A

AWS Local Zones

32
Q

A developer has written a simple web application in PHP and he wants to just upload his code to AWS Cloud and have AWS handle the deployment automatically but still wants access to the underlying operating system for further enhancements. As a Cloud Practitioner, which of the following AWS services would you recommend for this use-case?

A

AWS Elastic Beanstalk

33
Q

Fit the following 3 words into the gaps: object, block, file

Amazon Simple Storage Service (Amazon S3) is … based storage, Amazon Elastic Block Store (Amazon EBS) is … based storage and Amazon Elastic File System (Amazon EFS) is … based storage

A

Amazon Simple Storage Service (Amazon S3) is object based storage, Amazon Elastic Block Store (Amazon EBS) is block based storage and Amazon Elastic File System (Amazon EFS) is file based storage

34
Q

A company wants a fully managed, flexible, and scalable file storage system, with low latency access, for its Windows-based applications. Which AWS service is the right choice for the company?

A

Amazon FSx for Windows File Server

35
Q

Which AWS service can be used to provision resources to run big data workloads on Hadoop clusters?

A

Amazon EMR

36
Q

An online gaming company wants to block users from certain geographies from accessing its content. Which AWS service can be used to accomplish this task?

A

AWS Web Application Firewall (AWS WAF)

37
Q

An IT company wants to run a log backup process every Monday at 2 AM. The usual runtime of the process is 5 minutes. As a Cloud Practitioner, which AWS services would you recommend to build a serverless solution for this use-case? (Select two)

  • Amazon Eventbridge
  • AWS Step Function
  • AWS Systems Manager
  • Amazon Elastic Compute Cloud (Amazon EC2)
  • AWS Lambda
A
  • Amazon Eventbridge
  • AWS Lambda
38
Q

Which Amazon Route 53 routing policy would you use to improve the performance for your customers by routing the requests to the AWS endpoint that provides the fastest experience?

A

Latency-based routing

39
Q

Can you automatically deploy AWS Shield when a DDoS attack is detected with AWS Auto Scaling?

A

No.

AWS Auto Scaling is helpful during a DDoS attack, as it can scale out resources fast. But, it cannot automatically deploy AWS Shield service onto its group of resources.

40
Q

The engineering team at an IT company wants to monitor the CPU utilization for its fleet of Amazon Elastic Compute Cloud (Amazon EC2) instances and send an email to the administrator if the utilization exceeds 80%. As a Cloud Practitioner, which AWS services would you recommend to build this solution?

A
  • Amazon CloudWatch
  • Amazon Simple Notification Service (SNS)
41
Q

Which options can be used to access and manage all AWS services?

A
  • AWS Management Console
  • AWS Command Line Interface (AWS CLI)
  • AWS SDK
42
Q

What is the primary benefit of deploying an Amazon RDS Multi-AZ database with one standby?

A

Amazon RDS Multi-AZ enhances database availability

43
Q

A company’s flagship application runs on a fleet of Amazon Elastic Compute Cloud (Amazon EC2) instances. As per the new policies, the system administrators are looking for the best way to provide secure shell access to Amazon Elastic Compute Cloud (Amazon EC2) instances without opening new ports or using public IP addresses.

Which tool/service will help you achieve this requirement?

A

AWS Systems Manager Session Manager

44
Q

A photo sharing web application wants to store thumbnails of user-uploaded images on Amazon Simple Storage Service (Amazon S3). The thumbnails are rarely used but need to be immediately accessible from the web application. The thumbnails can be regenerated easily if they are lost. Which is the most cost-effective way to store these thumbnails on Amazon Simple Storage Service (Amazon S3)?

A

Use Amazon S3 One Zone-Infrequent Access (S3 One Zone-IA) to store the thumbnails

45
Q

Which of the following statements are correct about the AWS root user account?

A
  • Root user access credentials are the email address and password used to create the AWS account
  • It is highly recommended to enable Multi-Factor Authentication (MFA) for root user account
46
Q

Which of the following statements are true about AWS Lambda?

A
  • AWS Lambda lets you run code without provisioning or managing servers
  • You pay for the compute time you consume for AWS Lambda
47
Q

Which use-cases are supported by Amazon Rekognition?

A

identify:
- objects,
- people,
- text,
- scenes,
- activities
- inappropriate content

in:
- images
- videos

  • facial analysis and facial search
48
Q

What are the different gateway types supported by AWS Storage Gateway service?

A
  • Tape Gateway,
  • File Gateway
  • Volume Gateway
49
Q

What are the fundamental drivers of cost with AWS Cloud?

A

Compute, Storage and Outbound Data Transfer

50
Q

Which AWS services are global in scope?

A
  • AWS Identity and Access Management (AWS IAM),
  • Amazon CloudFront,
  • Amazon Route 53
  • AWS Web Application Firewall (AWS WAF)
51
Q

Which AWS compute service provides the EASIEST way to access resizable compute capacity in the cloud with support for per-second billing and access to the underlying OS?

A

Amazon Elastic Compute Cloud (Amazon EC2)

52
Q

Which of the following statement is correct for a Security Group and a Network Access Control List (Network ACL)?

A

Security Group acts as a firewall at the instance level whereas Network Access Control List (Network ACL) acts as a firewall at the subnet level

53
Q

A company is using a message broker service on its on-premises application and wants to move this messaging functionality to AWS Cloud. Which of the following AWS services is the right choice to move the existing functionality easily?

A

Amazon MQ

54
Q

Which of the following AWS services allows a database to have flexible schema and supports document data models?

A

Amazon DynamoDB

55
Q

Which AWS service can be used to store, manage, and deploy Docker container images?

A

Amazon Elastic Container Registry (Amazon ECR)

56
Q
A

AWS CTF - Udemy Practice Test (4 decks)

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