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Cloud Practitioner > Technology Quz > Flashcards

Technology Quz Flashcards

1
Q

Which service helps you process big data workloads?

Glue

Amazon Redshift

Elastic MapReduce (EMR)

Data Pipeline

A

Elastic MapReduce (EMR)

EMR helps you process large amounts of data.

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2
Q

Which AWS service provides a secure and resizable compute platform with choice of processor, storage, networking, operating system, and purchase model?

Amazon Connect

AWS Lambda

Amazon Elastic Compute Cloud (EC2)

Amazon Dedicated Instance (DI)

A

Amazon Elastic Compute Cloud (EC2)

Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. Amazon EC2 offers the broadest and deepest compute platform with choice of processor, storage, networking, operating system, and purchase model.

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3
Q

Which EC2 pricing option is best for short-term, irregular workloads that should not be interrupted?

Reserved Instances

On-Demand

Savings Plans

Spot Instances

Dedicated Hosts

A

On-Demand

On-Demand is best for applications with short-term, spiky, or unpredictable workloads.

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4
Q

Which service enables you to centralize and automate data protection across AWS services?

Storage Gateway

Amazon Elastic File System (EFS)

AWS Backup

Amazon Elastic Block Store (EBS)

A

AWS Backup

AWS Backup helps you manage data backups across multiple AWS services. You’re able to create a backup plan that includes frequency and retention.

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5
Q

What data transport solution allows you to move petabytes of data and natively supports EC2 and Lambda?

Snowball

Snowcone

Snowmobile

Snowball Edge

A

Snowball Edge

Snowball Edge is a petabyte-scale data transport solution that natively supports EC2 and Lambda.

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6
Q

What is CloudWatch?

It is a service used to track activity and API calls within your AWS account.

It is a service used to provide reactive resource optimization.

It is a service used to manage access keys.

It is a collection of services designed to monitor and observe cloud resources.

A

It is a collection of services designed to monitor and observe cloud resources.

CloudWatch is a collection of services you can use to monitor your cloud resources.

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7
Q

Which of the following is NOT true about Lambda?

Lambda can execute code in response to events.

Lambda is recommended for processes that run for at least 15 minutes.

Lambda is serverless.

Lambda scales automatically.

A

Lambda is recommended for processes that run for at least 15 minutes.

This statement is not true because Lambda functions time out after 15 minutes and are not recommended for processes that run longer than that.

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8
Q

Which machine learning service allows you to add image analysis to your applications?

Amazon Macie

Amazon Rekognition

Amazon Comprehend

Amazon Transcribe

Amazon Translate

A

Amazon Rekognition

Rekognition is a service that makes it easy to add image analysis to your applications.

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9
Q

What service could you recommend to a developer to automate the software release process?

CodeBuild

CodeCommit

Cloud9

CodePipeline

A

CodePipeline

CodePipeline is a developer tool that allows you to continuously automate the software release process.

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10
Q

Which service allows you to practice Infrastructure as Code by provisioning your AWS resources via scripted templates?

AWS Marketplace

AWS Elastic Beanstalk

AWS CloudFormation

AWS Lambda

A

AWS CloudFormation

CloudFormation allows you to provision your AWS resources via scripted templates.

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11
Q

In which of the following is CloudFront content cached?

EBS

Data Center

Edge Location

Availability Zone

A

Edge Location

CloudFront content is cached in edge locations.

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12
Q

Which method of accessing an EC2 instance requires both a private key and a public key?

Secure Shell (SSH)

AWS Management Console

EC2 Instance Connect (EIC)

AWS Systems Manager

A

Secure Shell (SSH)

SSH allows you to access an EC2 instance from your local laptop using a key pair, which consists of a private key and a public key.

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13
Q

Which service is used to allow resources in your VPC to access the internet?

Internet Gateway

Subnet

Network ACL

VPC Peering

A

Internet Gateway

An internet gateway allows traffic to or from the internet for instances in a subnet in a VPC.

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14
Q

Which developer tool allows you to write code within your web browser?

AWS CloudTrail

Amazon CloudWatch

AWS CloudFormation

Cloud9

A

Cloud9

Cloud9 is an integrated development environment (IDE) that allows you to write code within your web browser.

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15
Q

Which AWS service can send both text and email messages from your applications?

Simple Email Service (SES)

Simple Messenger Service

Simple Queue Service (SQS)

Simple Notification Service (SNS)

A

Simple Notification Service (SNS)

SNS allows you to send emails and text messages from your distributed applications.

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16
Q

Which service allows developers to track issues on development projects via a dashboard?

CodeCommit

CodeDeploy

CodeStar

CodeBuild

A

CodeStar

CodeStar helps developers collaboratively work on development projects and track issues via a dashboard.

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17
Q

Which service routes user traffic through AWS’s global network infrastructure to ensure low latency for your gaming application?

AWS Global Accelerator

AWS Content Delivery Network (or ACDN)

Amazon S3 Transfer Acceleration

Amazon CloudFront

A

AWS Global Accelerator

Global Accelerator improves the availability of your applications by sending user traffic through AWS’s global network.

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18
Q

When launching an EC2 instance, you’re able to select the tenancy model. Which tenancy models allow you to bring your own licenses?

Choose 2

Dedicated Instances

Dedicated Hosts

Dedicated Tenancy

Shared Tenancy

A

Dedicated Instances
Dedicated Instances ensure your instance will run on a dedicated physical server due to licensing restrictions that don’t allow for software to run on a shared tenancy model.

Dedicated Hosts
Dedicated Hosts allow you to use your existing per-socket, per-core, or per-VM software licenses to help maintain license compliance. This is similar to Dedicated Instances, but Dedicated Hosts provide more restrictive control over the server.

19
Q

Which machine learning service helps you build, train, and deploy models quickly?

Rekognition

Lex

Comprehend

SageMaker

A

SageMaker

SageMaker helps you build, train, and deploy machine learning models quickly.

20
Q

Which EC2 storage mechanism is recommended when running a database on an EC2 instance?

Amazon Elastic Block Storage (EBS) instance snapshot

Elastic Volume Storage (EVS)

Local instance storage

Amazon Elastic Block Storage (EBS)

A

Amazon Elastic Block Storage (EBS)

EBS is a storage device you can attach to your instances and is a recommended storage option when you run databases on an instance.

21
Q

Which services allow you to run containerized applications without having to manage servers or clusters?

Choose 3

Amazon Elastic Kubernetes Service (EKS)

AWS Fargate

Amazon Elastic Block Store (EBS)

Amazon Elastic Container Service (Amazon ECS)

A

Amazon Elastic Kubernetes Service (EKS)
EKS lets you run your containerized Kubernetes applications on both Amazon EC2 and AWS Fargate.

AWS Fargate
Fargate removes the need for you to interact with servers or clusters as it provisions, configures, and scales clusters of virtual machines to run containers for you.

Amazon Elastic Container Service (Amazon ECS)
ECS lets you run your containerized Docker applications on both Amazon EC2 and AWS Fargate.

22
Q

Which AWS service is a fully managed service that makes it easy for developers to publish, maintain, monitor, and secure application programming interfaces at any scale?

API Gateway

AWS Direct Connect

AWS VPN

Route 53

A

API Gateway

API Gateway is a fully managed service that makes it easy for developers to publish, maintain, monitor, and secure application programming interfaces at any scale. It acts as a “front door” for applications to access data, business logic, or functionality from your back-end services.

23
Q

Which service allows you to host virtual desktops in the cloud?

Amazon Connect

Amazon WorkSpaces

Managed Services

Professional Services

A

Amazon WorkSpaces

Amazon WorkSpaces allows you to host virtual desktops in the cloud.

24
Q

Which service is a data warehousing solution?

Amazon ElastiCache

Amazon Redshift

Amazon Relational Database Service (RDS)

AWS DataSync

A

Amazon Redshift

Redshift is a data warehouse solution that improves the speed and efficiency of accessing different datasets and has unlimited storage.

25
Q

Which monitoring service helps you observe your cloud resources and provides actionable insights?

CloudTrail

Cloud9

CloudFormation

CloudWatch

A

CloudWatch

CloudWatch is a monitoring and management service that provides data and actionable insights for your applications and infrastructure resources.

26
Q

Which database services make it easy for you to set up, operate, and scale relational databases in the cloud?

Choose 2

Amazon DynamoDB

Amazon DocumentDB

Amazon Relational Database Service (RDS)

Amazon Neptune

Amazon Aurora

A

Amazon Relational Database Service (RDS)
RDS allows you to set up relational databases in the cloud and provides you with several database engines to choose from, including Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, and SQL Server.

Amazon Aurora
Amazon Aurora is a MySQL- and PostgreSQL-compatible relational database engine.

27
Q

Which service can you use to deploy applications both on-premises or in the cloud, using Chef or Puppet?

OpsWorks

Elastic Beanstalk

CloudFormation

CodeDeploy

A

OpsWorks

OpsWorks allows you to deploy applications either on-premises or on EC2 instances in AWS cloud, and it also automates infrastructure management using Chef or Puppet.

28
Q

Objects stored in S3 are stored in a single, central location within AWS.

True

False

A

False

Objects stored in S3 are stored in multiple servers, in multiple facilities across AWS.

29
Q

What AWS services are used for notifications and messaging?

Choose 2

Extensible Messaging and Presence Protocol (XMPP)

Short Message Service (SMS)

Simple Email Service (SES)

Simple Notification Service (SNS)

A

Simple Email Service (SES)
SES is an email service that can send HTML-formatted messages from applications.

Simple Notification Service (SNS)
SNS is a service that allows applications to send email and text messages.

30
Q

Which AWS networking service enables you to provision a logically isolated section of the AWS cloud where you can launch AWS resources in a virtual network that you define?

Virtual Private Network (VPN)

Virtual Private Cloud (VPC)

Direct Connect

Amazon Route 53

A

Virtual Private Cloud (VPC)

VPC is a foundational service that allows you to create a logically isolated virtual network in the AWS cloud where you launch your resources.

31
Q

Which compute service allows you to run code without managing servers and pay only when your code is running?

Amazon Lightsail

AWS Lambda

AWS Batch

AWS Outposts

A

AWS Lambda

AWS Lambda runs your code without requiring you to manage infrastructure or provision servers.

32
Q

Which service allows you to build interactive dashboards?

QuickSight

Athena

Kinesis

Glue

A

QuickSight

QuickSight helps you visualize your data by building interactive dashboards.

33
Q

Amazon EC2 offers a variety of pricing options. Which of the following EC2 pricing options is the cheapest?

Reserved Instances (RIs)

Dedicated Hosts

Spot Instances

Savings Plans

On-Demand

A

Spot Instances

Spot Instances allow you to request unused EC2 instances, which reduces your EC2 costs. Spot Instances are 90% cheaper than On-Demand.

34
Q

Which of the following are true statements about Simple Queue Service (SQS)?

Choose 2

Standard queues provide a loose-FIFO capability.

It is a service that only allows a single component to add messages to a queue.

SQS FIFO queues always preserve the exact order.

It is a service that transfers messages in an unencrypted manner.

A
  • Standard queues provide a loose-FIFO capability.
  • SQS FIFO queues always preserve the exact order.

SQS tries to processes messages based on first-in/first-out, but the order is only guaranteed with SQS FIFO queues

35
Q

Which service allows you to track the name of the user making changes in your AWS account?

AWS CloudFormation

Amazon CloudWatch

AWS CloudTrail

AWS CloudAdvisor

A

AWS CloudTrail

CloudTrail tracks user activity and API calls in your account, which includes identity information (the user’s name, source IP address, etc.) about the API caller.

36
Q

Which services allow you to build hybrid environments by connecting on-premises infrastructure to AWS?

Choose 3

Amazon Route 53 Resolver

Route Table

AWS Direct Connect

Site-to-Site VPN

A

Amazon Route 53 Resolver
Amazon Route 53 Resolver provides recursive DNS between your AWS and on-premises networks over AWS Direct Connect or AWS Site-to-Site VPN connections.

AWS Direct Connect
Direct Connect allows you to establish a dedicated network connection between your on-premises network and AWS.

Site-to-Site VPN
Site-to-Site VPN allows you to establish a secure connection between your on-premises equipment and the VPCs in your AWS account.

37
Q

Which service supports workloads that need to remain on-premises due to latency or data sovereignty needs?

AWS Batch

Amazon Lightsail

AWS Fargate

AWS Outposts

A

AWS Outposts

With AWS Outposts, AWS delivers and installs servers in your internal data center, which allows you to support data sovereignty requirements.

38
Q

Amazon S3 offers multiple storage classes. Which storage class is best for archiving data when you want the cheapest cost and don’t mind long retrieval times?

S3 Standard-Infrequent Access (S3 Standard-IA)

S3 Intelligent-Tiering

S3 Standard

S3 Glacier Deep Archive

S3 One Zone-Infrequent Access (S3 One Zone-IA)

A

S3 Glacier Deep Archive

S3 Glacier Deep Archive offers the lowest cost and is used to archive data. You can retrieve objects within 12 hours.

39
Q

Which of the following is NOT true of Amazon Route 53?

Amazon Route 53 is a dedicated physical network connection from your on-premises data center to AWS.

Amazon Route 53 supports domain name registration.

Amazon Route 53 performs health checks on AWS resources.

Amazon Route 53 is a DNS service that routes users to applications.

A

Amazon Route 53 is a dedicated physical network connection from your on-premises data center to AWS.

AWS Direct Connect is a dedicated physical network connection from your on-premises data center to AWS. Amazon Route 53 provides a highly available and scalable Domain Name System (DNS), domain name registration, and health-checking web services.

40
Q

Which analytics service allows you to query data in Amazon S3 using Structured Query Language (SQL)?

Amazon Athena

Amazon Elasticsearch

Amazon Kinesis

Amazon Elastic MapReduce (EMR)

A

Amazon Athena

Athena is a query service that makes it easy to analyze data in Amazon S3 using SQL.

41
Q

Which storage service is a scalable file system that only works with Linux-based workloads?

Amazon Elastic Block Store (EBS)

Amazon FSx for Windows File Server

Amazon Elastic File System (EFS)

Amazon FSx for Lustre

A

Amazon Elastic File System (EFS)

EFS is an elastic file system for Linux-based workloads.

42
Q

Which of the following EC2 options is best for long-term workloads with predictable usage patterns?

Dedicated Hosts

On-Demand instances

Spot Instances

Reserved Instances

A

Reserved Instances

Reserved Instances are the most economical option for long-term workloads with predictable usage patterns.

43
Q

Which migration service allows you to migrate databases to or within AWS over the internet easily and securely?

AWS AppSync

AWS Snowball

AWS Instance Migration Service (IMS)

AWS SMS

AWS DMS

A

AWS DMS

AWS Database Migration Service (AWS DMS) helps you migrate databases to AWS quickly and securely over the internet. 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 to and from the most widely used commercial and open-source databases.

Cloud Practitioner (10 decks)

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