Amazon Amazon Certifications CLF-C02 Questions & Answers

• Question 361:

  Which scenarios represent the concept of elasticity on AWS? (Select TWO.)

  A. Scaling the number of Amazon EC2 instances based on traffic

  B. Resizing Amazon RDS instances as business needs change

  C. Automatically directing traffic to less-utilized Amazon EC2 instances

  D. Using AWS compliance documents to accelerate the compliance process

  E. Having the ability to create and govern environments using code

  Correct Answer: AB

  These are two scenarios that represent the concept of elasticity on AWS. Elasticity means the ability to adjust the resources and capacity of the system in response to changes in demand or environment. Scaling the number of Amazon EC2 instances based on traffic means using services such as AWS Auto Scaling or Elastic Load Balancing to add or remove instances as the traffic increases or decreases. Resizing Amazon RDS instances as business needs change means using the Amazon RDS console or API to modify the instance type, storage type, or storage size of the database as the workload grows or shrinks. You can learn more about the concept of elasticity on AWS from [this webpage] or [this digital course].

• Question 362:

  Which AWS service converts text to lifelike voices?

  A. Amazon Transcribe

  B. Amazon Rekognition

  C. Amazon Polly

  D. Amazon Textract

  Correct Answer: C

  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 363:

  A company is planning to migrate its application to the AWS Cloud.

  Which AWS tool or set of resources should the company use to analyze and asses its readiness for migration?

  A. AWS Cloud Adoption Framework (AWS CAF)

  B. AWS Pricing Calculator

  C. AWS Well-Architected Framework

  D. AWS Budgets

  Correct Answer: A

  AWS Cloud Adoption Framework (AWS CAF) is a tool that helps organizations understand how cloud adoption transforms the way they work, and it provides structure to identify and address gaps in skills and processes. Applying the AWS CAF in your organization results in an actionable plan that helps you prepare the cloud environment, enable your staff with new skills, and migrate your applications. AWS Pricing Calculator is a tool that helps you estimate the cost of AWS services for your use cases and compare the cost of different AWS service configurations. AWS Well-Architected Framework is a tool that helps you review and improve your cloud-based architectures and better understand the business impact of your design decisions. AWS Budgets is a tool that helps you plan your service usage, service costs, and instance reservations, and track how close your plan is to your budgeted amount.

• Question 364:

  In the AWS shared responsibility model, which tasks are the responsibility of AWS? (Select TWO.)

  A. Patch an Amazon EC2 instance operating system.

  B. Configure a security group.

  C. Monitor the health of an Availability Zone.

  D. Protect the infrastructure that runs Amazon EC2 instances.

  E. Manage access to the data in an Amazon S3 bucket

  Correct Answer: CD

  According to the AWS shared responsibility model, AWS is responsible for the security of the cloud, which includes the tasks of monitoring the health of an Availability Zone and protecting the infrastructure that runs Amazon EC2 instances. An Availability Zone is a physically isolated location within an AWS Region that has its own power, cooling, and network connectivity. AWS monitors the health and performance of each Availability Zone and notifies customers of any issues or disruptions. AWS also protects the infrastructure that runs AWS services, such as Amazon EC2, by implementing physical, environmental, and operational security measures. AWS is not responsible for patching an Amazon EC2 instance operating system, configuring a security group, or managing access to the data in an Amazon S3 bucket. These are the customer's responsibilities for security in the cloud. The customer must ensure that the operating system and applications on their EC2 instances are up to date and secure. The customer must also configure the security group rules that control the inbound and outbound traffic for their EC2 instances. The customer must also manage the access permissions and encryption settings for their S3 buckets and objects2

• Question 365:

  A company needs to store data from a recommendation engine in a database.

  Which AWS service provides this functionality with the LEAST operational overhead?

  A. Amazon RDS for PostgreSQL

  B. Amazon DynamoDB

  C. Amazon Neptune

  D. Amazon Aurora

  Correct Answer: B

  Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. It's a fully managed, multi-region, multi- active, durable database with built-in security, backup and restore, and in-memory caching for internet-scale applications. DynamoDB can handle more than 10 trillion requests per day and can support peaks of more than 20 million requests per second. DynamoDB provides the least operational overhead for storing data from a recommendation engine, as it does not require any server provisioning, patching, or maintenance3

• Question 366:

  What is the LEAST expensive AWS Support plan that provides the full set of AWS Trusted Advisor best practice checks for cost optimization?

  A. AWS Enterprise Support

  B. AWS Business Support

  C. AWS Developer Support

  D. AWS Basic Support

  Correct Answer: B

  AWS Business Support is the least expensive AWS Support plan that provides the full set of AWS Trusted Advisor best practice checks for cost optimization. AWS Trusted Advisor is a service that provides best practices and recommendations for cost optimization, performance, security, and fault tolerance. AWS Business Support also provides other benefits, such as 24/7 technical support, unlimited cases, and faster response times. AWS Enterprise Support is the most expensive AWS Support plan that provides the same benefits as AWS Business Support, plus additional benefits, such as a technical account manager and enterprise concierge support. AWS Developer Support and AWS Basic Support are cheaper AWS Support plans that provide only a limited set of AWS Trusted Advisor best practice checks for cost optimization .

• Question 367:

  A company is considering migration to the AWS Cloud. The company wants a fully managed service or feature that can transfer streaming data from multiple sources to an Amazon S3 bucket.

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

  A. AWS DataSync

  B. Amazon Kinesis Data Firehose

  C. S3 Select

  D. AWS Transfer Family

  Correct Answer: B

  Amazon Kinesis Data Firehose is a fully managed service that delivers real- time streaming data to destinations such as Amazon S3, Amazon Redshift, Amazon Elasticsearch Service, and Splunk. You can use Amazon Kinesis Data Firehose to capture, transform, and load streaming data from multiple sources, such as web applications, mobile devices, IoT sensors, and social media.

• Question 368:

  A company wants a key-value NoSQL database that is fully managed and serverless.

  Which AWS service will meet these requirements?

  A. Amazon DynamoDB

  B. Amazon RDS

  C. Amazon Aurora

  D. Amazon Memory DB for Redis

  Correct Answer: A

  Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. It is a fully managed, serverless database that does not require provisioning, patching, or backup. It offers built-in security, backup and restore, and in-memory caching3. Amazon RDS is a relational database service that makes it easy to set up, operate, and scale a relational database in the cloud. It provides cost-efficient and resizable capacity while automating time-consuming administration tasks such as hardware provisioning, database setup, patching, and backups. However, it is not a key-value NoSQL database, and it is not serverless, as it requires you to choose an instance type and size4. Amazon Aurora is a MySQL and PostgreSQL-compatible relational database built for the cloud, that combines the performance and availability of traditional enterprise databases with the simplicity and cost- effectiveness of open source databases. However, it is also not a key-value NoSQL database, and it is not serverless, as it requires you to choose an instance type and size. Amazon MemoryDB for Redis is a Redis-compatible, durable, in-memory database service that delivers ultra-fast performance and multi-AZ reliability for the most demanding applications. However, it is also not a key-value NoSQL database, and it is not serverless, as it requires you to choose a node type and size.

• Question 369:

  Which AWS service provides protection against DDoS attacks for applications that run in the AWS Cloud?

  A. Amazon VPC

  B. AWS Shield

  C. AWS Audit Manager

  D. AWS Config

  Correct Answer: B

  AWS Shield is an AWS service that provides protection against distributed denial of service (DDoS) attacks for applications that run in the AWS Cloud. DDoS attacks are attempts to make an online service unavailable by overwhelming it with traffic from multiple sources. AWS Shield provides two tiers of protection: AWS Shield Standard and AWS Shield Advanced. AWS Shield Standard is automatically enabled for all AWS customers at no additional charge. It provides protection against common and frequently occurring network and transport layer DDoS attacks. AWS Shield Advanced is an optional paid service that provides additional protection against larger and more sophisticated DDoS attacks. AWS Shield Advanced also provides access to 24/7 DDoS response team, cost protection, and enhanced detection and mitigation capabilities

• Question 370:

  A company processes personally identifiable information (Pll) and must keep data in the country where it was generated. The company wants to use Amazon EC2 instances for these workloads.

  Which AWS service will meet these requirements?

  A. AWS Outposts

  B. AWS Storage Gateway

  C. AWS DataSync

  D. AWS OpsWorks

  Correct Answer: A

  AWS Outposts is an AWS service that extends AWS infrastructure, services, APIs, and tools to virtually any datacenter, co-location space, or on-premises facility. AWS Outposts enables you to run Amazon EC2 instances and other AWS services locally, while maintaining a consistent and seamless connection to the AWS Cloud. AWS Outposts is ideal for workloads that require low latency, local data processing, or data residency. By using AWS Outposts, the company can process personally identifiable information (PII) and keep data in the country where it was generated, while leveraging the benefits of AWS