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AWS Certified Cloud Practitioner > Domain 3: Technology > Flashcards

Domain 3: Technology Flashcards

1
Q

AWS Trusted Advisor provide checks in 5 different categories. Which item is not one of those checks?

Fault Tolerance
Security
Elasticity
Cost Optimization

A

Elasticity

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2
Q

A colleague tells you about a service that uses machine learning to discover and protect sensitive data stored in S3 Buckets. Which AWS service does this?

A

Macie

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3
Q

You need to stream data in real-time for a dashboard application. Which AWS service would you use?

A

AWS Kinesis

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4
Q

You have been tasked with developing a plan to move applications to AWS and use AWS services to house code, build, and deploy these applications. Which AWS service will allow you to host Git-based repositories?

A

AWS CodeCommit

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5
Q

You have a MySQL database that you want to migrate to the cloud, and you need it to be significantly faster there. You are looking for a speed increase up to 5 times the current performance. Which AWS offering could you use?

A

Amazon Aurora

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6
Q

A new application rolled out by the development team is going to require load balancing of HTTP and HTTPS traffic. Which Load Balancer is best suited for this type of traffic?

A

Application Load Balancer

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7
Q

A Healthcare agency needs to store certain patient information for up to 10 years. To save cost, they want to archive this data to cheaper storage. The data needs to be retrieved within 12 hours. Which is the cheapest option?

A

Glacier Deep Archive

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8
Q

You need an AWS service that can identify objects, people, text, scenes, and activities in images and videos. Which service would you choose?

A

Rekognition

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9
Q

A company is migrating to the AWS Cloud. They need to set up DNS in the cloud. Which service is a highly available and scalable cloud DNS service in AWS?

A

Route 53

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10
Q

You have two software systems that need to communicate, and you also need to ensure that messages are not lost between them. Which AWS service can help meet these requirements?

A

SQS

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11
Q

You need to store key-value pairs of users and their high scores for a gaming application. Which is the best option for this type of data?

A

DynamoDB

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12
Q

Your company utilizes DNS and wants to migrate DNS and management of DNS to the cloud. Which AWS service would you use?

A

Route 53

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13
Q

If you have an RDS database, which is very I/O intensive, which service is most suitable to improve performance?

A

Elasticache

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14
Q

A development team has created a large amount of CloudFormation templates in the JSON format. Which AWS database can store these documents?

A

DynamoDB

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15
Q

Your company hosts gaming applications online and would like to deliver these apps to a worldwide audience. Which AWS Service would enable delivery to users worldwide and greatly improve response times?

A

CloudFront

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16
Q

Several EC2 instances in a public subnet need internet access. Which will you configure as one step in granting internet access?

A

Internet Gateway

17
Q

There have been some questionable activities in your AWS account. You need to review your event history, such as actions taken from the Management Console and the CLI. Which service records this type of information?

A

AWS CloudTrail

18
Q

Which AWS service allows the deployment of resources in code templates, otherwise known as infrastructure as code?

A

CloudFormation

19
Q

Which storage service can provide very high durability storage for Objects?

A

Amazon S3

20
Q

A developer is trying to programmatically retrieve information from an EC2 instance such as public keys, ip address, and instance id. From where can this information be retrieved?

A

Instance metadata

21
Q

Several S3 Buckets have been deleted, and a few EC2 instances have been terminated. Which AWS service can you use to determine who took these actions?

A

AWS CloudTrail

22
Q

Your design team has recommended the need to distribute incoming traffic across multiple EC2 instances and also across multiple availability zones. Which AWS service can accomplish this?

A

Elastic Load Balancer

23
Q

You have joined a small company and inherited an AWS application built within the EC2 Classic network. Which Load Balancer will work with this application?

A

Classic Load Balancer

Classic Load Balancer provides basic load balancing across multiple Amazon EC2 instances and operates at both the request level and connection level. Classic Load Balancer is intended for applications that were built within the EC2-Classic network.

24
Q

Your company utilizes DNS and wants to migrate DNS and management of DNS to the cloud. Which AWS service would you use?

A

Route 53

Amazon Route 53 provides highly available and scalable Domain Name System (DNS) services, domain name registration, and health-checking web services. It is designed to give developers and businesses an extremely reliable and cost-effective way to route end users to Internet applications by translating names like example.com into the numeric IP addresses, such as 192.0.2.1, that computers use to connect.

25
Q

A financial company needs to migrate large amounts of data, at a petabyte-scale, to AWS. Which AWS service can perform this type of migration?

A

AWS Snowball

Snowball is a petabyte-scale data transport solution that uses secure appliances to transfer large amounts of data into and out of the AWS cloud. Using Snowball addresses common challenges with large-scale data transfers including high network costs, long transfer times, and security concerns.

26
Q

Your company is migrating its services to the AWS cloud. The DevOps team has heard about infrastructure as code, and wants to investigate this concept. Which AWS service would they investigate?

A

AWS CloudFormation

AWS CloudFormation is a service that helps you model and set up your Amazon Web Services resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS.

27
Q

You have been tasked to create an S3 bucket for storing templates. A team member has forwarded you the templates, which are used for creating multiple different AWS resources such as S3 buckets, EC2 instances, and VPCs. Which service uses these templates to create AWS resources?

A

CloudFormation

AWS CloudFormation simplifies provisioning and management on AWS. You can create templates for the service or application architectures you want and have AWS CloudFormation use those templates for quick and reliable provisioning of the services or applications (called “stacks”). You can also easily update or replicate the stacks as needed.

28
Q

You need to set up a data warehouse on AWS for financial/actuary data. Which AWS service will you use?

A

Redshift

Amazon Redshift is a fully managed, petabyte-scale data warehouse service in the cloud. You can start with just a few hundred gigabytes of data and scale to a petabyte or more. This enables you to use your data to acquire new insights for your business and customers.

29
Q

What AWS service lets you provision a logically isolated section of the AWS Cloud?

A

Amazon Virtual Private Cloud

Amazon Virtual Private Cloud (Amazon VPC) lets you provision a logically isolated section of the AWS Cloud. You have complete control over your virtual networking environment, including the selection of your own IP address range, creation of subnets, and configuration of route tables and network gateways. You can use both IPv4 and IPv6 in your VPC for secure and easy access to resources and applications.

30
Q

You are about to migrate a MySQL database to the AWS Cloud. Which AWS service can help with this?

A

AWS Database Migration Service

AWS Database Migration Service helps you migrate databases to AWS quickly and securely. The source database remains fully operational during the migration, minimizing downtime to applications that rely on the database. The AWS Database Migration Service can migrate your data both to and from most of the widely used commercial and open-source databases.

31
Q

You want to group together EC2 instances and manage them as a group. One thing you want to do is issue commands remotely to these instances. Which AWS service will you use?

A

Systems Manager

AWS Systems Manager Run Command lets you remotely and securely manage the configuration of your managed instances. A managed instance is any EC2 instance or on-premises machine in your hybrid environment that has been configured for Systems Manager.

32
Q

Which AWS service allows the deployment of resources in code templates, otherwise known as infrastructure as code?

A

CloudFormation

AWS CloudFormation provides a common language for you to model and provision AWS and third-party application resources in your cloud environment. AWS CloudFormation allows you to use programming languages or a simple text file to model and provision, in an automated and secure manner, all the resources needed for your applications across all regions and accounts.

33
Q

You have infrequently accessed data in S3 buckets that you want to transfer to Glacier. What can you use in AWS to do this?

A

S3 Lifecycle Policy

You can add rules in an S3 Lifecycle configuration to tell Amazon S3 to transition objects to another Amazon S3 storage class. For example:

When you know that objects are infrequently accessed, you might transition them to the S3 Standard-IA storage class.

You might want to archive objects that you don’t need to access in real time to the S3 Glacier storage class.

34
Q

You are trying out AWS on a trial basis and need to deploy an application without having to configure servers. Which AWS service can you use?

A

Elastic Beanstalk

AWS Elastic Beanstalk is an easy-to-use service for deploying and scaling web applications and services developed with Java, .NET, PHP, Node.js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS.

35
Q

In order to improve fault tolerance, you would like to begin using services that provide fault tolerance. Which AWS services provide automatic replication across Availability Zones?

S3

VPC

DynamoDb

EC2

A

S3

DynamoDb

36
Q

A travel company has an application that serves customers worldwide. Which AWS service can speed up delivery of content to this widespread customer base?

A

CloudFront

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds, all within a developer-friendly environment. CloudFront is integrated with AWS – both physical locations that are directly connected to the AWS global infrastructure, as well as other AWS services.

37
Q

A software development team has begun using the AWS Developer Tools Suite. Which service will enable creating, managing, and working with software development projects on AWS?

A

AWS CodeStar

AWS CodeStar is a cloud-based service for creating, managing, and working with software development projects on AWS. You can quickly develop, build, and deploy applications on AWS with an AWS CodeStar project.

38
Q

A gaming company is using the AWS Developer Tool Suite to develop, build, and deploy their applications. Which AWS service can be used to trace user requests from end-to-end through the application?

A

AWS X-Ray

AWS X-Ray helps developers analyze and debug production, distributed applications, such as those built using a microservices architecture. With X-Ray, you can understand how your application and its underlying services are performing to identify and troubleshoot the root cause of performance issues and errors. X-Ray provides an end-to-end view of requests as they travel through your application, and shows a map of your application’s underlying components.

AWS Certified Cloud Practitioner (4 decks)

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