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    you want to store data in a volume that is attached to an amazon ec2 instance. which service should you use?

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    Storage

    Learn how you can use the data storage options supported by Amazon EC2 to meet your storage requirements.

    Storage

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    Amazon EC2 provides you with flexible, cost effective, and easy-to-use data storage options for your instances. Each option has a unique combination of performance and durability. These storage options can be used independently or in combination to suit your requirements.

    After reading this section, you should have a good understanding about how you can use the data storage options supported by Amazon EC2 to meet your specific requirements. These storage options include the following:

    Amazon Elastic Block Store

    Amazon EC2 instance store

    Use Amazon EFS with Amazon EC2

    Use Amazon S3 with Amazon EC2

    The following figure shows the relationship between these storage options and your instance.

    Amazon EBS

    Amazon EBS provides durable, block-level storage volumes that you can attach to a running instance. You can use Amazon EBS as a primary storage device for data that requires frequent and granular updates. For example, Amazon EBS is the recommended storage option when you run a database on an instance.

    An EBS volume behaves like a raw, unformatted, external block device that you can attach to a single instance. The volume persists independently from the running life of an instance. After an EBS volume is attached to an instance, you can use it like any other physical hard drive. As illustrated in the previous figure, multiple volumes can be attached to an instance. You can also detach an EBS volume from one instance and attach it to another instance. You can dynamically change the configuration of a volume attached to an instance. EBS volumes can also be created as encrypted volumes using the Amazon EBS encryption feature. For more information, see Amazon EBS encryption.

    To keep a backup copy of your data, you can create a snapshot of an EBS volume, which is stored in Amazon S3. You can create an EBS volume from a snapshot, and attach it to another instance. For more information, see Amazon Elastic Block Store.

    Amazon EC2 instance store

    Many instances can access storage from disks that are physically attached to the host computer. This disk storage is referred to as instance store. Instance store provides temporary block-level storage for instances. The data on an instance store volume persists only during the life of the associated instance; if you stop, hibernate, or terminate an instance, any data on instance store volumes is lost. For more information, see Amazon EC2 instance store.

    Amazon EFS file system

    Amazon EFS provides scalable file storage for use with Amazon EC2. You can create an EFS file system and configure your instances to mount the file system. You can use an EFS file system as a common data source for workloads and applications running on multiple instances. For more information, see Use Amazon EFS with Amazon EC2.

    Amazon S3

    Amazon S3 provides access to reliable and inexpensive data storage infrastructure. It is designed to make web-scale computing easier by enabling you to store and retrieve any amount of data, at any time, from within Amazon EC2 or anywhere on the web. For example, you can use Amazon S3 to store backup copies of your data and applications. Amazon EC2 uses Amazon S3 to store EBS snapshots and instance store-backed AMIs. For more information, see Use Amazon S3 with Amazon EC2.

    Adding storage

    Every time you launch an instance from an AMI, a root storage device is created for that instance. The root storage device contains all the information necessary to boot the instance. You can specify storage volumes in addition to the root device volume when you create an AMI or launch an instance using block device mapping. For more information, see Block device mappings.

    You can also attach EBS volumes to a running instance. For more information, see Attach an Amazon EBS volume to an instance.

    Storage pricing

    For information about storage pricing, open AWS Pricing, scroll down to Services Pricing, choose Storage, and then choose the storage option to open that storage option's pricing page. For information about estimating the cost of storage, see the AWS Pricing Calculator.

    स्रोत : docs.aws.amazon.com

    AWS Cloud Practitioner Essentials Quiz Answers

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    Question 1: Which service is used to quickly deploy and scale applications on AWS?AWS Elastic Beanstalk

    Amazon CloudFront AWS Outposts AWS Snowball

    Question 2: Which actions can you perform in Amazon Route 53? (Select TWO.)

    Monitor your applications and respond to system-wide performance changes.

    Manage DNS records for domain names.

    Access AWS security and compliance reports and select online agreements.

    Connect user requests to infrastructure in AWS and outside of AWS.

    Automate the deployment of workloads into your AWS environment.

    Question 3: Which AWS Trusted Advisor category includes checks for your service limits and overutilized instances?Performance

    Security Fault Tolerance Cost Optimization

    Question 4: You want to store data in a volume that is attached to an Amazon EC2 instance. Which service should you use?

    Amazon ElastiCache AWS Lambda

    Amazon Simple Storage Service (Amazon S3)

    Amazon Elastic Block Store (Amazon EBS)Question 5: You want to send and receive messages between distributed application components. Which service should you use?   Amazon Simple Queue Service (Amazon SQS)

    Amazon ElastiCache Amazon Route 53 AWS Snowball

    Question 6: Which service enables you to build the workflows that are required for human review of machine learning predictions?

    Amazon Textract

    Amazon Augmented AI

    Amazon Aurora Amazon Lex

    Question 7: Which statement best describes an Availability Zone?A fully isolated portion of the AWS global infrastructure

    A separate geographical location with multiple locations that are isolated from each other

    A site that Amazon CloudFront uses to cache copies of content for faster delivery to users at any location

    The server from which Amazon CloudFront gets your files

    Question 8: Which service is used to transfer up to 80 PB of data to AWS?AWS Snowmobile

    Amazon Neptune AWS DeepRacer Amazon CloudFront

    Question 9: Which statement is TRUE for AWS Lambda?You pay only for compute time while your code is running.

    Before using AWS Lambda, you must prepay for your estimated compute time.

    The first step in using AWS Lambda is provisioning a server.

    To use AWS Lambda, you must configure the servers that run your code.

    Question 10: Which service is used to run containerized applications on AWS?

    Amazon Aurora

    Amazon Elastic Kubernetes Service (Amazon EKS)

    Amazon SageMaker Amazon Redshift

    Question 11: Which statement best describes Amazon GuardDuty?

    A service that checks applications for security vulnerabilities and deviations from security best practices

    A service that helps protect your applications against distributed denial-of-service (DDoS) attacks

    A service that provides intelligent threat detection for your AWS infrastructure and resources

    A service that lets you monitor network requests that come into your web applications

    Question 12: Which statement best describes AWS Marketplace?

    A resource that provides guidance, architectural reviews, and ongoing communication with your company as you plan, deploy, and optimize your applications

    A resource that can answer questions about best practices and assist with troubleshooting issues

    A digital catalog that includes thousands of software listings from independent software vendors

    An online tool that inspects your AWS environment and provides real-time guidance in accordance with AWS best practices

    Question 13: Which action can you perform in Amazon CloudFront?Deliver content to customers through a global network of edge locations.

    Provision an isolated section of the AWS Cloud to launch resources in a virtual network that you define.

    Run infrastructure in a hybrid cloud approach.

    Provision resources by using programming languages or a text file.

    Question 14: Which service enables you to review details for user activities and API calls that have occurred within your AWS environment?

    Amazon Inspector Amazon CloudWatch

    AWS CloudTrail

    AWS Trusted Advisor

    Question 15: Which Support plans include access to all AWS Trusted Advisor checks? (Select TWO.)

    Developer

    Business

    Basic AWS Free Tier

    EnterpriseQuestion 16: Which migration strategy involves changing how an application is architected and developed, typically by using cloud-native features?

    Rehosting Replatforming Repurchasing

    RefactoringQuestion 17: Which tasks are the responsibilities of AWS? (Select TWO.)

    स्रोत : priyadogra.com

    AWS Cloud Practitioner Questions Flashcards

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    AWS Cloud Practitioner Questions

    5.0 (3 reviews) Term 1 / 29

    Which pillar of the AWS Well-Architected Framework focuses on using computing resources in ways that meet system requirements?

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    Definition 1 / 29

    Performance Efficiency. The Performance Efficiency pillar focuses on using computing resources efficiently to meet system requirements, and to maintain that efficiency as demand changes and technologies evolve.

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    Created by heather_smith46 Questions

    Terms in this set (29)

    Which pillar of the AWS Well-Architected Framework focuses on using computing resources in ways that meet system requirements?

    Performance Efficiency. The Performance Efficiency pillar focuses on using computing resources efficiently to meet system requirements, and to maintain that efficiency as demand changes and technologies evolve.

    Which migration strategy involves changing how an application is architected and developed, typically by using cloud-native features?

    Refactoring.

    Which tool is used to automate actions for AWS services and applications through scripts?

    AWS Command Line Interface.

    Which statement best describes Elastic Load Balancing?

    A service that distributes incoming traffic across multiple targets, such as Amazon EC2 instances.

    You want to store data in a volume that is attached to an Amazon EC2 instance. Which service should you use?

    Amazon EBS provides block-level storage volumes that you can use with Amazon EC2 instances. If you stop or terminate an Amazon EC2 instance, all the data on the attached EBS volume remains available.

    Which component or service enables you to establish a dedicated private connection between your data center and virtual private cloud (VPC)?

    AWS Direct Connect is a service that enables you to establish a dedicated private connection between your data center and VPC.

    Which service is used to run containerized applications on AWS?

    Amazon EKS is a fully managed service that you can use to run Kubernetes on AWS. Kubernetes is open-source software that enables you to deploy and manage containerized applications at scale.

    Which action can you perform in Amazon CloudFront?

    Deliver content to customers through a global network of edge locations.

    Which service enables you to review details for user activities and API calls that have occurred within your AWS environment?

    With CloudTrail, you can view a complete history of user activity and API calls for your applications and resources.

    Which service enables you to consolidate and manage multiple AWS accounts from a central location?

    AWS Organizations

    Which Support plans include access to all AWS Trusted Advisor checks? (Select TWO.)

    Enterprise, Business

    Which service is used to quickly deploy and scale applications on AWS?

    AWS Elastic Beanstalk. You upload your application, and Elastic Beanstalk automatically handles the deployment details of capacity provisioning, load balancing, auto-scaling, and application health monitoring.

    Which Perspective of the AWS Cloud Adoption Framework focuses on recovering IT workloads to meet the requirements of your business stakeholders?

    The Operations Perspective of the AWS Cloud Adoption Framework also includes principles for operating in the cloud by using agile best practices.

    Which service enables you to build the workflows that are required for human review of machine learning predictions?

    Amazon Augmented AI (Amazon A2I) provides built-in human review workflows for common machine learning use cases, such as content moderation and text extraction from documents. With Amazon A2I, you can also create your own workflows for machine learning models built on Amazon SageMaker or any other tools.

    Which statement best describes Amazon GuardDuty?

    A service that provides intelligent threat detection for your AWS infrastructure and resources.

    You want Amazon S3 to monitor your objects' access patterns. Which storage class should you use?

    In the S3 Intelligent-Tiering storage class, Amazon S3 monitors objects' access patterns

    You are running an Amazon EC2 instance and want to store data in an attached resource. Your data is temporary and will not be kept long term. Which resource should you use?

    Instance stores are ideal for temporary data that does not need to be kept long term.

    Which statement best describes an Availability Zone?

    is A fully isolated portion of the AWS global infrastructure.

    In the S3 Intelligent-Tiering storage class, Amazon S3 moves objects between a frequent access tier and an infrequent access tier. Which storage classes are used for these tiers?

    S3 Standard, S3 Standard-IA n the S3 Intelligent-Tiering storage class, Amazon S3 monitors objects' access patterns. If you haven't accessed an object for 30 consecutive days, Amazon S3 automatically moves it to the infrequent access tier, S3 Standard-IA. If you access an object in the infrequent access tier, Amazon S3 automatically moves it to the frequent access tier, S3 Standard.

    Which AWS Trusted Advisor category includes checks for your service limits and overutilized instances?

    Performance. In this category, AWS Trusted Advisor also helps improve the performance of your services by providing recommendations for how to take advantage of provisioned throughput.

    स्रोत : quizlet.com

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