Amazon CLF-C02 Online Practice Questions and Exam Preparation

Amazon CLF-C02 Online Questions & Answers

• Question 481:

  An online gaming company needs to choose a purchasing option to run its Amazon EC2 instances for 1 year. The web traffic is consistent, and any increases in traffic are predictable. The EC2 instances must be online and available without

  any disruption.

  Which EC2 instance purchasing option will meet these requirements MOST cost-effectively?

  A. On-Demand Instances
  B. Reserved Instances
  C. Spot Instances
  D. Spot Fleet
  B. Reserved Instances

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  Explanation

  Amazon EC2 Reserved Instances (RI) provide a significant discount (up to 72%) compared to On-Demand pricing and provide a capacity reservation when used in a specific Availability Zone.

  Terms (avg. discount off On-Demand) - 1yr (40%), 3yr (60%)

  https://aws.amazon.com/ec2/pricing/reserved-instances/

• Question 482:

  A company is moving its development and test environments to AWS to increase agility and reduce cost. Because these are not production workloads and the servers are not fully utilized, occasional unavailability is acceptable.

  What is the MOST cost-effective Amazon EC2 pricing model that will meet these requirements?

  A. Reserved Instances
  B. On-Demand Instances
  C. Spot Instances
  D. Dedicated Hosts
  C. Spot Instances

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  Explanation

• Question 483:

  A user needs a relational database but does not have the resources to manage the hardware, resiliency, and replication.

  Which AWS service option meets the user's requirements?

  A. Run MySQL on Amazon Elastic Container Service (Amazon ECS).
  B. Run MySQL on Amazon EC2.
  C. Choose Amazon RDS for MySQL.
  D. Choose Amazon ElastiCache for Redis.
  C. Choose Amazon RDS for MySQL.

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  Explanation

• Question 484:

  A company is considering a migration from on premises to the AWS Cloud. The company's IT team needs to offload support of the workload. What should the IT team do to accomplish this goal?

  A. Use AWS Managed Services to provision, run, and support the company infrastructure.
  B. Build hardware refreshes into the operational calendar to ensure availability.
  C. Use Amazon Elastic Container Service (Amazon ECS) on Amazon EC2 instances.
  D. Overprovision compute capacity for seasonal events and traffic spikes to prevent downtime.
  A. Use AWS Managed Services to provision, run, and support the company infrastructure.

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  Explanation

• Question 485:

  A company needs to establish a dedicated network connection from on premises to AWS. The connection must provide consistent, low-latency network performance. Which AWS service should the company use to meet this requirement?

  A. AWS Direct Connect
  B. AWS Site-to-Site VPN
  C. AWS Directory Service
  D. AWS Transit Gateway
  A. AWS Direct Connect

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  Explanation

• Question 486:

  A large company has a workload that requires hardware to remain on premises. The company wants to use the same management and control plane services that it currently uses on AWS.

  Which AWS service should the company use to meet these requirements?

  A. AWS Device Farm
  B. AWS Fargate
  C. AWS Outposts
  D. AWS Ground Station
  C. AWS Outposts

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  Explanation

  The correct answer is C because AWS Outposts is an AWS service that enables the company to meet the requirements. AWS Outposts is a fully managed service that extends AWS infrastructure, services, APIs, and tools to virtually any datacenter, co- location space, or on-premises facility. AWS Outposts allows customers to run their workloads on the same hardware and software that AWS uses in its cloud, while maintaining local access and control. The other options are incorrect because they are not AWS services that enable the company to meet the requirements. AWS Device Farm is an AWS service that enables customers to test their mobile and web applications on real devices in the AWS Cloud. AWS Fargate is an AWS service that enables customers to run containers without having to manage servers or clusters. AWS Ground Station is an AWS service that enables customers to communicate with satellites and downlink data from orbit.

  AWS Outposts FAQs

• Question 487:

  Which AWS service or tool provides recommendations to help users get rightsized Amazon EC2 instances based on historical workload usage data?

  A. AWS Pricing Calculator
  B. AWS Compute Optimizer
  C. AWS App Runner
  D. AWS Systems Manager
  B. AWS Compute Optimizer

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  Explanation

  AWS Compute Optimizer is the AWS service or tool that provides recommendations to help users get rightsized Amazon EC2 instances based on historical workload usage data. AWS Compute Optimizer analyzes the configuration and performance characteristics of the EC2 instances and delivers recommendations for optimal instance types, sizes, and configurations. AWS Compute Optimizer helps users improve performance, reduce costs, and eliminate underutilized resources

• Question 488:

  Which AWS service converts text to lifelike voices?

  A. Amazon Transcribe
  B. Amazon Rekognition
  C. Amazon Polly
  D. Amazon Textract
  C. Amazon Polly

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  Explanation

  Amazon Polly is a service that turns text into lifelike speech, allowing you to create applications that talk, and build entirely new categories of speech-enabled products. Polly's Text-to-Speech (TTS) service uses advanced deep learning technologies to synthesize natural sounding human speech1. Amazon Polly supports dozens of languages and a wide range of natural-sounding voices. You can customize and control the speech output by using lexicons and SSML tags. You can also store and redistribute the speech output in standard audio formats like MP3 and OGG2. Amazon Transcribe is a service that converts speech to text, enabling you to create text transcripts from audio or video files. It can recognize multiple speakers, different languages, accents, dialects, and background noises. It can also add punctuation and formatting to the transcripts. Amazon Transcribe is useful for applications such as subtitling, captioning, transcription, and voice search. Amazon Rekognition is a service that provides image and video analysis using computer vision and deep learning. It can detect objects, faces, text, scenes, activities, and emotions in images and videos. It can also perform face recognition, face comparison, face search, celebrity recognition, and facial analysis. Amazon Rekognition is useful for applications such as security, social media, e-commerce, and media and entertainment. Amazon Textract is a service that extracts text and data from scanned documents using optical character recognition (OCR) and machine learning. It can identify the contents of fields in forms and tables, as well as the relationships between them. It can also preserve the layout and structure of the original document. Amazon Textract is useful for applications such as data entry, document management, compliance, and analytics.

  References: Text to Speech Software Amazon Polly Amazon Web Services What is Text to Speech Amazon Web Services (AWS) AWS Amazon Polly - Text to Speech Converter - CodeCanyon Amazon's Text-To-Speech AI Service Sounds More Natural And ... - Forbes Working with AWS Amazon Polly Text-to-Speech (TTS) Service [Automatic Speech Recognition - Amazon Transcribe - AWS] [Amazon Rekognition Video and Image - AWS] [Extract Text and Data - OCR - Amazon Textract AWS]

• Question 489:

  A company has a centralized group of users with large file storage requirements that have exceeded the space available on premises. The company wants to extend its file storage capabilities for this group while retaining the performance benefit of sharing content locally.

  What is the MOST operationally efficient AWS solution for this scenario?

  A. Create an Amazon S3 bucket for each user. Mount each bucket by using an S3 file system mounting utility.
  B. Configure and deploy an AWS Storage Gateway file gateway. Connect each user's workstation to the file gateway.
  C. Move each user's working environment to Amazon WorkSpaces. Set up an Amazon WorkDocs account for each user.
  D. Deploy an Amazon EC2 instance and attach an Amazon Elastic Block Store (Amazon EBS) Provisioned IOPS volume. Share the EBS volume directly with the users.
  B. Configure and deploy an AWS Storage Gateway file gateway. Connect each user's workstation to the file gateway.

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  Explanation

  AWS Storage Gateway is a hybrid cloud storage service that allows you to extend your on-premises file storage capabilities to the AWS Cloud. AWS Storage Gateway file gateway enables you to store and access your files in Amazon S3 using industry-standard file protocols such as NFS and SMB. File gateway caches frequently accessed files locally, providing low-latency access to your data. File gateway also optimizes the transfer of data between your on-premises environment and AWS, minimizing the amount of bandwidth consumed. By using file gateway, you can retain the performance benefit of sharing content locally while leveraging the scalability, durability, and cost-effectiveness of Amazon S3.

  References: AWS Storage Gateway, File Gateway

• Question 490:

  Which combination of AWS services can be used to move a commercial relational database to an Amazon-managed open-source database? (Choose two.)

  A. AWS Database Migration Service (AWS DMS)
  B. AWS software development kits (SDKs)
  C. AWS Schema Conversion Tool
  D. AWS Systems Manager
  E. Amazon EMR
  A. AWS Database Migration Service (AWS DMS)
  C. AWS Schema Conversion Tool

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  Explanation