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AWS Certified Cloud Practitioner > Domain 3.0 Technology > Flashcards

Domain 3.0 Technology Flashcards

1
Q

Is an online tool that provides you real-time guidance to help you provision your resources following AWS best practices

A

AWS Trusted Advisor

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2
Q

AWS Trusted Advisor five categories

A
  1. Cost Optimization
  2. Security
  3. Fault Tolerance
  4. Performance
  5. Service Limits
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3
Q

You need to host a new Microsoft SQL Server database in AWS for an urgent project. Which AWS services we can use?

A

Amazon Relational Database Service (Amazon RDS) and Amazon EC2

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4
Q

A company has web servers running on Amazon EC2 instances that access a RESTful API hosted on their on-premises data center. What kind of architecture is the company using?

A

Hybrid Architecture

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5
Q

Help organizations integrate their on-premises and cloud operations to support a broad spectrum of use cases using a common set of cloud services, tools, and APIs across on-premises and cloud environments

A

Hybrid Architecture

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6
Q

Which of the following is an advantage of using managed services like RDS, ElastiCache, and CloudSearch in AWS?

A

Simplifies all of your OS patching and backup activities to help keep your resources current and secure

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7
Q

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. It frees you to focus on your applications so you can give them the fast performance, high availability, security and compatibility they need

A

Amazon Relational Database Service (Amazon RDS)

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8
Q

Offers fully managed Redis and Memcached. Seamlessly deploy, run, and scale popular open source compatible in-memory data stores. Build data-intensive apps or improve the performance of your existing apps by retrieving data from high throughput and low latency in-memory data stores.

A

Amazon ElastiCache

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9
Q

A managed service in the AWS Cloud that makes it simple and cost-effective to set up, manage, and scale a search solution for your website or application

A

Amazon CloudSearch

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10
Q

Highly available and scalable cloud Domain Name System (DNS) web service in AWS?

A

Amazon Route 53

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11
Q

Makes it easier for you to add powerful visual analysis to your applications

A

Amazon Rekognition

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12
Q

A core Windows service that provides the foundation for many enterprise-class Microsoft-based solutions, including Microsoft SharePoint, Microsoft Exchange, and .NET applications

A

Active Directory Domain Service

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13
Q

An easy-to-use cloud platform that offers everything you need to build an application or website, plus a cost-effective, monthly plan. A virtual private server (VPS) solution. Not used for Amazon EC2 scaling

A

Amazon Lightsail

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14
Q

Shares a collection of offerings to help you achieve specific business outcomes related to enterprise cloud adoption through paid engagements in several specialty practice areas?

A

AWS Professional Services

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15
Q

Is the one which provides 24×7 technical support from high-quality engineers, tools and technology to automatically manage the health of your environment, consultative architectural guidance delivered in the context of your applications and use-cases, and a designated Technical Account Manager (TAM) to coordinate access to proactive/preventative programs and AWS subject matter experts

A

AWS Enterprise Support

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16
Q

A team composed of AWS billing and account experts that specialize in working with enterprise accounts. They will quickly and efficiently assist you with your billing and account inquiries, and work with you to implement billing and account best practices so that you can focus on running your business

A

Concierge Support

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17
Q

Your designated technical point of contact who provides advocacy and guidance to help plan and build solutions using best practices, coordinate access to subject matter experts and product teams, and proactively keep your AWS environment operationally healthy

A

AWS Technical Account Manager

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18
Q

What are the benefits of using Edge locations in AWS?

A
  1. Improves application performance by delivering content closer to your users
  2. Provides caching which reduces the load on your origin servers
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19
Q

Offers an easy-to-use edge computing device that is helpful for data migration

A

AWS Snowball Edge

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20
Q

Seamlessly extends AWS to edge devices so they can act locally on the data they generate, while still using the cloud for management, analytics, and durable storage

A

AWS IoT Greengrass

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21
Q

Provides highly scalable object storage for your static content. Provies 99.999999999% reliability and durability

provides Block Public Access settings for buckets and accounts to help you manage public access to Amazon S3 resources

A

Amazon S3

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22
Q

A web service that speeds up distribution of your static and dynamic web content, such as .html, .css, .js, and image files, to your users. CloudFront delivers your content through a worldwide network of data centers called edge locations

A

Amazon CloudFront

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23
Q

Describes the Amazon Simple Storage Service (S3)?

A
  1. A storage service with virtually unlimited space

2. A highly durable object storage infrastructure

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24
Q

A durable, high throughput file system. It’s a regional service storing data within and across multiple Availability Zones (AZs)

A

Amazon Elastic File System (EFS)

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25
Q

A high-performance block storage service

A

Amazon Elastic Block Store (EBS)

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26
Q

A hybrid cloud storage service that gives you on-premises access to virtually unlimited cloud storage in AWS

A

AWS Storage Gateway

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27
Q

The most suitable one to use to store the results of I/O-intensive SQL database queries to improve application performance?

A

Amazon ElastiCache

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28
Q

A software that lets you run local compute, messaging, data caching, sync, and ML inference capabilities on connected devices in a secure way

A

AWS Greengrass

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29
Q

Although this is a caching feature, it is only applicable to DynamoDB which is a NoSQL database

A

Amazon DynamoDB Accelarator (DAX)

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30
Q

This implementation has to be robust, fast, and simple to use. It should also prevent any type of data loss from occurring. The company would like to keep track of the status of the migration.

Which tool should the team adopt for the DR solution?

A

CloudEndure

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31
Q

These services cannot migrate bare metal servers

A

AWS Server Migration Service and AWS Database Migration Service

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32
Q

This service is for monitoring the state of your migrations. It does not handle disaster recovery

A

AWS Migration Hub

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33
Q

Are the things that Amazon CloudWatch Logs can accomplish?

A
  1. Monitor application logs from Amazon EC2 Instances

2. Adjust the retention policy for each log group

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34
Q

Amazon CloudWatch services:

A
  1. Monitor logs from Amazon EC2 Instances
  2. Monitor AWS CloudTrail Logged Events
  3. Log Retention
  4. Archive Log Data
  5. Log Route 53 DNS Queries
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35
Q

Primarily used for governance, compliance, operational auditing, and risk auditing of your AWS account. Record AWS Management Console actions and API calls

A

AWS CloudTrail

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36
Q

Create alarms that automatically stop, terminate, reboot, or recover your EC2 Instances

A

Amazon CloudWatch Alarms

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37
Q

Users from different parts of the globe are complaining about the slow performance of the newly launched photo-sharing website in loading their high-resolution images. Which combination of AWS services should you use to serve the files with lowest possible latency?

A

Amazon S3 and Amazon CloudFront

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38
Q

A company is planning to launch a new system in AWS but they do not have an employee who has an AWS-related expertise. Which of the following can help the company to design, architect, build, migrate, and manage their workloads and applications on AWS?

A

AWS Partner Network Consulting Partners

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39
Q

Two types of AWS Partner Network (APN) Partners:

A
  1. APN Consulting Partners

2. APN Technology Partners

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40
Q

Provide software solutions that are either hosted on, or integrated with, the AWS platform. Technology Partners include Independent Software Vendors (ISVs), SaaS, PaaS, developer tools, management and security vendors

A

AWS Partner Network Technology Partners

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41
Q

Provides a new sales channel for independent software vendors (ISVs) and Consulting Partners to sell their solutions to AWS customers. This makes it easy for customers to find, buy, deploy, and manage software solutions, including SaaS, in a matter of minutes

A

AWS Marketplace

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42
Q

A company has hybrid cloud architecture where their on-premises data center interacts with their cloud resources in AWS. Which of the following services in AWS could you use to deploy a web application to servers running on-premises?

A

AWS OpsWorks and AWS CodeDeploy

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43
Q

Is a configuration management service that helps customers configure and operate applications, both on-premises and in the AWS Cloud, using Chef and Puppet

A

AWS OpsWorks

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44
Q

Automates code deployments to any instance, including Amazon EC2 instances and instances running on-premises. Makes it easier to rapidly release new features, avoids downtime during application deployment, and handles the complexity of updating applications

A

AWS CodeDeploy

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45
Q

These services can only deploy applications to your AWS resources and not to the servers located in your on-premises data center

A

AWS CloudFormation and AWS ElasticBeanstalk

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46
Q

This service simply has a set of batch management capabilities that enables developers, scientists, and engineers to easily and efficiently run hundreds of thousands of batch computing jobs on AWS. It doesn’t have the capability to deploy applications to your on-premises servers

A

AWS Batch

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47
Q

Which AWS services should you use to store rapidly changing data with low read and write latencies?

A

Amazon Elastic Block Store (EBS) and Amazon RDS

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48
Q

This is a petabyte-scale data migration solution that uses hardware devices to transfer large amounts of data into and out of the AWS Cloud

A

AWS Snowball

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49
Q

This service is optimal for storing numerous classes of information that are relatively static and not rapidly changing data

A

Amazon S3

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50
Q

This is a fully managed application streaming service which you can use to centrally manage your desktop applications

A

Amazon AppStream 2.0

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51
Q

What AWS service allows your EC2 compute capacity to automatically scale based on the incoming traffic?

A

AWS Auto Scaling

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52
Q

A Security service that uses machine learning to automatically discover, classify, and protect sensitive data in AWS

A

Amazon Macie

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53
Q

What service should you use if there is a need to launch a customized self-hosted database which requires a scheduled shutdown every night to save on cost?

A

Amazon EC2 instance with an EBS Volume

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54
Q

Provides durable, block-level storage volumes that you can attach to a running instance. It’s a primary storage device for data that requires frequent and granular updates. For example, It’s the recommended storage option when you run a database on an instance

A

Amazon EBS

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55
Q

Volumes 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

A

Amazon EBS

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56
Q

Once attached to an instance, you can use it like any other physical hard drive

Can also detach its volume from one instance and attach it to another instance

A

Amazon EBS

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57
Q

Can dynamically change the configuration of a volume attached to an instance

Can also be created as encrypted volumes

A

Amazon EBS

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58
Q

A non-relational database service that is fully-managed by AWS

A

Amazon DynamoDB

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59
Q

Fully managed, petabyte-scale data warehouse service in the cloud

Run complex analytic queries against terabytes to petabytes of structured data

A

Amazon Redshift

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60
Q

If you use this for your self-hosted store volume, all of your data will be lost after you shut down the instance

A

Amazon EC2 instance with an Instance Store volume

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61
Q

What is the minimum number of Availability Zones that you should set up for your Application Load Balancer in order to create a highly available architecture?

A

2 Availability Zones (2 AZs is the minimum to make a highly available architecture)

3 is for higher level of availability but consider the cost + use case

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62
Q

A networking connection between two VPCs, and not between your on-premises data center and VPC

A

VPC Peering

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63
Q

This works like a NAT Gateway but for IPv6 traffic only. It’s horizontally scaled, redundant, and highly available VPC component that allows outbound communication over IPv6 from instances in your VPC to the Internet, and prevents the Internet from initiating an IPv6 connection with your instances

A

Egress-only internet gateway

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64
Q

Enables EC2 instances in a private subnet to connect to the Internet or other AWS services, but prevents the Internet from initiating a connection with those instances

A

NAT Gateway

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65
Q

A company plans to migrate their on-premises MySQL database to Amazon RDS. Which AWS service should they use for this task?

A

AWS Database Migration Service (AWS DMS)

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66
Q

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. Can migrate your data to and from most widely used commercial and open-source databases

A

AWS Database Migration Service

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67
Q

Primarily used to convert your existing database schema from one database engine to another

A

AWS Schema Conversion Tool (AWS SCT)

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68
Q

An agentless service that makes it easier and faster for you to migrate thousands of on-premises workloads to AWS. This is not the appropriate service to use in migrating your on-premises database

A

AWS Server Migration Service

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69
Q

A cloud service solution that makes it easier for you to establish a dedicated network connection from your premises to AWS

A

AWS Direct Connect

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70
Q

Provides alerts and remediation guidance when AWS is experiencing events that may impact you

A

AWS Personal Health Dashboard

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71
Q

This is where you can check the support package you are subscribed to, and where you can file cases if you need assistance from the AWS support team

A

AWS Support Center

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72
Q

Provides access to current status and historical data about each and every Amazon Web Service. If there’s a problem with a service, you’ll be able to expand the appropriate line in the Details section. You can even subscribe to the RSS feed for any service. You can use the “Report an Issue” link to make sure that we are aware of any system-wide service issues

A

AWS Service Health Dashboard

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73
Q

A messaging service used to deliver push notifications to recipients

A

Amazon Simple Notification Service (SNS)

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74
Q

A fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications

A

Amazon Simple Queue Service (SQS)

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75
Q

Eliminates the complixity and overhead associated with managing and operating message-oriented middleware, and empowers developers to focus on differentiating work

A

Amazon Simple Queue Service (SQS)

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76
Q

You can send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available

A

Amazon Simple Queue Service (SQS)

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77
Q

A service that is meant for automation. A fully-managed state tracker and task coordinator in the cloud

A

Amazon Simple Workflow Service (SWF)

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78
Q

A cloud-based email sending service

A

Amazon Simple Email Service (SES)

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79
Q

This is best suited for load balancing of HTTP and HTTPS traffic and provides advanced request routing targeted at the delivery of modern application architectures, including microservices and containers. Operating at the individual request level (Layer 7). Routes traffic to targets within Amazon Virtual Private Cloud (Amazon VPC) based on the content of the request

A

Application Load Balancer

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80
Q

This is best suited for load balancing of Transmission Control Protocol (TCP), User Datagram Protocol (UDP) and Transport Layer Security (TLS) traffic where extreme performance is required. Operating at the connection level (Layer 4). routes traffic to targets within Amazon Virtual Private Cloud (Amazon VPC) and is capable of handling millions of requests per second while maintaining ultra-low latencies. Also optimized to handle sudden and volatile traffic patterns

A

Network Load Balancer

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81
Q

This provides basic load balancing across multiple Amazon EC2 instances and operates at both the request level and connection level. Intended for applications that were built within the EC2-Classic Network

A

Classic Load Balancer

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82
Q

Provides both Layer 3 gateway and Layer 4 load balancing capabilities. It is a transparent bump-in-the-wire device that does not change any part of the packet. It is architected to handle millions of requests/second, volatile traffic patterns, and introduces extremely low latency

A

Gateway Load Balancer

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83
Q

Four types of load balancers

A
  1. Application
  2. Network
  3. Classic
  4. Gateway
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84
Q

A service allow you to sell your catalog of custom AMIs in AWS?

A

AWS Marketplace

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85
Q

A web service that provides an on-demand, scalable, human workforce to complete jobs that humans can do better than computers, such as recognizing objects in photographs. It is not a place where you can buy and sell custom software like AWS Marketplace

A

Amazon Mechanical Turk

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86
Q

Allows you to centrally manage commonly deployed IT services, and helps you achieve consistent governance and meet your compliance requirements, while enabling users to quickly deploy only the approved IT services they need

A

AWS Service Catalog

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87
Q

Primarily used as a search solution for your website or application

A

Amazon CloudSearch

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88
Q

Allows you to create and deploy infrastructure-as-code templates in AWS?

A

AWS CloudFormation

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89
Q

Provides a common language for you to describe and provision all the infrastructure resources in your cloud environment

A

AWS CloudFormation

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90
Q

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

A

AWS ClouFormation

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91
Q

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

A

AWS Elastic Beanstalk

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92
Q

Simply upload your code and it automatically handles the deployment, from capacity provisioning, load balancing, auto-scaling to application health monitoring. At the same time, you retain full control over the AWS resources powering your application and can access the underlying resources at any time

A

AWS Elastic Beanstalk

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93
Q

The operations hub for AWS. Provides a unified user interface so you can track and resolve operational issues across your AWS applications and resources from a central place. You can automate operational tasks for Amazon EC2 instances or Amazon RDS instances

A

AWS Systems Manager

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94
Q

Simply a service that provides every developer and data scientist with the ability to build, train, and deploy machine learning models quickly in AWS

A

Amazon SageMaker

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95
Q

A web service that helps you reliably process and move data between different AWS compute and storage services, as well as on-premises data sources, at specified intervals

A

AWS Data Pipeline

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96
Q

A service that enables customers to connect their Amazon Virtual Private Clouds (VPCs) and their on-premises networks through a central hub

A

AWS Transit Gateway

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97
Q

Used to enable instances in the public subnet to connect to the public Internet?

A

Internet Gateway

98
Q

A horizontally scaled, redundant, and highly available VPC component that allows communication between instances in your VPC and the internet. It serves two purposes: to provide a target in your VPC route tables for internet-routable traffic, and to perform network address translation (NAT) for instances that have been assigned public IPv4 addresses

A

Internet Gateway

99
Q

This is a service meant for creating, publishing, maintaining, monitoring, and securing APIs

A

API Gateway

100
Q

What services will help you create a highly available and scalable web app in the cloud?

A

Amazon EC2 Auto Scaling and AWS ELB

101
Q

A fully-managed source control service that allows you to host Git-based repositories and enable code collaboration for your team via pull requests, branching, and merging?

A

AWS CodeCommit

102
Q

Enables you to quickly develop, build, and deploy applications on AWS

A

AWS CodeStar

103
Q

A fully managed build service that compiles source code, runs tests, and produces software packages that are ready to deploy

A

AWS CodeBuild

104
Q

Programmatic access to AWS Support Center features to create, manage, and close your support cases, and operationally manage your Trusted Advisor check requests and status

A

AWS Support API

105
Q

A new AWS customer needs to deploy up to 100 t3a.large EC2 instances on their recently launched VPC, which is way beyond the default service limit. What should they do before launching their instances?

A

Create a case in the AWS Support Center page and request a service limit increase

106
Q

A firewall service to safeguard your VPC against DDoS, SQL Injection, and many other threats

A

AWS Web Application Firewall (WAF)

107
Q

is a data transport solution that accelerates moving terabytes to petabytes of data into and out of AWS using appliances with on-board storage and compute capabilities?

A

AWS Snowball Edge

108
Q

Used to migrate tens of petabytes to exabytes of data in batches to the cloud

A

AWS Snowmobile

109
Q

Not suitable for moving terabytes to petabytes of data. Take note that the usable storage is only 8 TB

A

AWS Snowcone

110
Q

A feature of Amazon CloudFront that lets you run code closer to users of your application, which improves performance and reduces latency

A

AWS Lambda@Edge

111
Q

A customer needs to retrieve the instance ID, instance profile permissions, and kernel information of their EC2 instance. Where can the customer find these information?

A

Instance Metadata

112
Q

Primarily used to perform common automated configuration tasks and run custom scripts after the instance starts. It doesn’t contain any information about the instance ID, public keys or the public IP address of your EC2 instance

A

Instance user data

113
Q

A label that you assign to an AWS resource. Each tag consists of a key and an optional value, both of which you define

A

Resource tag

114
Q

Mainly provides the information required to launch an instance, which is a virtual server in the cloud

A

Amazon Machine Image

115
Q

It is used to organize your AWS resources

A

Resource group

116
Q

you can ingest real-time data such as video, audio, application logs, website clickstreams, and IoT telemetry data for machine learning, analytics, and other applications

A

Amazon Kinesis

117
Q

A big data service that gives analytical teams the engines and elasticity to run Petabyte-scale analysis for a fraction of the cost of traditional on-premise clusters, using open source Apache tools

A

Amazon Elastic MapReduce

118
Q

A space agency is using Amazon S3 to store their high-resolution satellite images and videos everyday. Which of the following should they do to minimize the upload time?

A

Use the Multipart upload API

119
Q

Allows you to upload a single object as a set of parts. Each part is a contiguous portion of the object’s data

A

Multipart upload

120
Q

Only applicable for client web applications that are loaded in one domain to interact with resources in a different domain

A

Enable Cross-Origin Resource Sharing (CORS)

121
Q

A DynamoDB API action and not S3

A

Use the BatchWriteItem API

122
Q

Primarily used to optimize your storage costs automatically based on your data access patterns without performance impact or operational overhead

A

Shift to S3 Intelligent-Tiering storage class

123
Q

Automatically transfer your infrequently accessed data in your S3 bucket to a more cost-effective storage class?

A

Lifecycle policy

124
Q

Primarily used to manage access to your buckets and objects

A

S3 access control list

125
Q

Enables automatic, asynchronous copying of objects across Amazon S3 buckets in different AWS Regions

A

Cross-Region replication

126
Q

The ability to acquire resources as you need them and release resources when you no longer need them. In the cloud, you want to do this automatically

A

Elasticity

127
Q

Lets you provision a logically isolated section of the AWS Cloud where you can launch AWS resources in a virtual network that you define

A

Amazon VPC

128
Q

Primarily used for connecting your on-premises network to your VPC

A

Virtual Private Gateway

129
Q

A Desktop-as-a-Service (DaaS) solution in AWS which allows you to provision either Windows or Linux desktops in just a few minutes and quickly scale to provide thousands of desktops to workers across the globe

A

Amazon WorkSpaces

130
Q

Which of the following services are part of the AWS serverless platform that does not require provisioning, maintaining, and administering servers for backend components?

A

Lambda@Edge and Amazon API Gateway

131
Q

Focus your valuable IT resources on developing applications that differentiate your business rather than managing infrastructure and data centers

A

Benefits of Agility

132
Q

Benefits of Cloud Computing

A
  1. Trade capital expense for variable expense
  2. Benefit from massive economies of scale
  3. Stop guessing capacity
  4. Increase speed and agility
  5. Stop spending money running and maintaining data centers
  6. Go global in minutes
133
Q

Which of the following statements are true regarding horizontal and vertical scaling?

A 
Upgrading = Vertical Scaling
Adding = Horizontal Scaling
134
Q

Not required when launching an EBS-backed EC2 instance?

A

Elastic IP address

135
Q

A company needs to troubleshoot an issue on their serverless application which is composed of an API Gateway, Lambda function, and a DynamoDB database. Which service should they use to trace user requests as they travel through their entire application?

A

AWS X-Ray

136
Q

Helps developers analyze and debug production, distributed applications, such as those built using a microservices architecture

A

AWS X-Ray

137
Q

Help mask downtime by redirecting traffic to your healthy instances and allowing failover to your secondary systems. This is achieved through a combination of different health checks, routing policies, and failover policies

A

AWS ELB and Amazon Route 53

138
Q

Dictate how traffic flows inside your VPC

A

VPC Route Tables

139
Q

Boosts your content delivery speeds through the help of edge locations found globally

A

Amazon CloudFront

140
Q

Allows you to automatically scale the number of running instances required to handle your workloads

A

EC2 Auto Scaling

141
Q

Which security services in AWS use intelligent systems and machine learning to quickly identify potential security threats and issues in your AWS account?

A

Amazon Detective and Amazon GuardDuty

142
Q

Makes it easy to analyze, investigate, and quickly identify the root cause of potential security issues or suspicious activities. Automatically collects log data from your AWS resources and uses machine learning, statistical analysis, and graph theory to build a linked set of data that enables you to easily conduct faster and more efficient security investigations

A

Amazon Detective

143
Q

The service uses machine learning, anomaly detection, and integrated threat intelligence to identify and prioritize potential threats

A

Amazon GuardDuty

144
Q

This is a service that lets you create and run 3D, Augmented Reality (AR), and Virtual Reality (VR) applications

A

AWS Sumerian

145
Q

This service is for user and access management. Although it is a security service, it does not use machine learning to detect threats and issues in your AWS account

A

AWS IAM

146
Q

You have multiple AWS accounts in your organization. How can you take advantage of this to save on your monthly costs?

A

Use AWS Organizations and enable consolidated billing

147
Q

Which of the following should you set up in order to connect your AWS VPC network to your local network via an IPsec tunnel?

A

A VPN gateway in your VPC connected to the Customer Gateway in your on-premises network

148
Q

Will be able to reroute traffic to your secondary EC2 instances in another region during disaster recovery?

A

Amazon Route 53

149
Q

This service is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL

A

Amazon Athena

150
Q

How can you easily and securely copy your infrastructure to another AWS Region?

A

Create a CloudFormation template and deploy it in the new region

151
Q

If you have infrequent workloads that require consistent throughput. EBS volumes need to be used along with EC2 instances for you to have access to the files stored in it

A

Amazon EBS Cold HDD

152
Q

A continuous delivery service that you should use to automate your release pipelines for fast and reliable application and infrastructure updates?

A

AWS CodePipeline

153
Q

You noticed that you cannot reach one of your EC2 web servers behind an ELB whenever you enter the DNS name of your load balancer. What service should you first check to gain more insight on the issue?

A

ELB Health Check

154
Q

Which type of Elastic Load Balancer allows you to forward the incoming request to a target group with a Lambda function as a target?

A

Application Load Balancer

155
Q

Is AWS’s digital user engagement service that enables AWS customers to effectively communicate with their end users and measure user engagement across multiple channels including email, Text Messaging (SMS) and Mobile Push Notifications

A

Amazon Pinpoint

156
Q

Which of the following services allows you to purchase Reserved Instances?

A

Amazon RDS and Amazon EC2

157
Q

Reservation models are also available for:

A
  1. Amazon Relational Database Service (Amazon RDS)
  2. Amazon ElastiCache
  3. Amazon Redshift
  4. Amazon DynamoDB
158
Q

Which of the following services allows you to store Docker images and orchestrate Docker containers in a simple and cost-effective manner?

A
  1. Amazon Elastic Container Service (Amazon EC2)

2. Amazon Elastic Container Registry (ECR)

159
Q

Is a highly scalable, high-performance container orchestration service that supports Docker containers and allows you to easily run and scale containerized applications on AWS

A

Amazon Elastic Container Service (Amazon ECS)

160
Q

Is a fully-managed Docker container registry that makes it easy for developers to store, manage, and deploy Docker container images. It’s integrated with Amazon Elastic Container Service (ECS), simplifying your development to production workflow

A

Amazon Elastic Container Registry (ECR)

161
Q

You are planning to deploy a video streaming application with frequently accessed, throughput-intensive workloads to your EC2 instance which requires fast, consistent throughput. What EBS volume type should you use to maximize performance as well as cost?

A

Throughput Optimized HDD

162
Q

Primarily used for critical business applications that require sustained IOPS performance

A

Provisioned IOPS SSD

163
Q

This volume balances price and performance for a wide variety of workloads

A

General Purpose SSD

164
Q

It is much suitable for less frequently accessed workloads

A

Cold HDD

165
Q

You use to deploy and easily rollback a web application from your Git repository to your on-premises server?

A

AWS OpsWorks

166
Q

What feature will allow you to label and sort your EC2 instances according to their deployment stage (development, staging, production)?

A

Instance tags

167
Q

This is not modifiable and cannot contain user-provided metadata. These are already fixed values provided to you by AWS

A

Instance type

168
Q

What service allows you to create alarms that notify you when EC2 CPU Utilization thresholds are breached?

A

Amazon CloudWatch

169
Q

In which of the following occasions should you use the Amazon SQS application system?

A
  1. If you need to decouple certain parts of your system for better fault tolerance
  2. If you require a durable storage for your application events or messages
170
Q

You have a fleet of on-premises servers that require a centralized scalable and durable file storage. It should be able to support massive parallel access

A

Amazon EFS

171
Q

You are planning to create point-in-time backups of your Amazon EBS volumes. Which of the following are correct statements? (Select TWO.)

A
  1. EBS backups are stored durably in Amazon S3

2. You can create point-in-time backups through EBS snapshots

172
Q

A cloud-based integrated development environment (IDE) that lets you write, run, and debug your code with just a browser. It includes a code editor, debugger, and terminal

A

AWS Cloud9

173
Q

The most cost-effective service to use if you want to coordinate multiple AWS services into serverless workflows?

A

AWS Step Functions

174
Q

Provides serverless orchestration for modern applications. Orchestration centrally manages a workflow by breaking it into multiple steps, adding flow logic, and tracking the inputs and outputs between the steps

A

AWS Step Functions

175
Q

Enables customers to quickly find, engage, and pay AWS Certified third-party experts for on-demand project work

A

AWS IQ

176
Q

Is a PaaS solution for users who need a simple virtual private server (VPS) solution. Provides developers compute, storage, and networking capacity and capabilities to deploy and manage websites and web applications in the cloud

A

Amazon Lightsail

177
Q

It is PaaS, but is not used to deploy your applications. Is a dedicated game server hosting solution that deploys, operates, and scales cloud servers for multiplayer games

A

Amazon GameLift

178
Q

Is a serverless ETL (extract, transform, and load) service that makes it simple and cost-effective to categorize your data, clean it, enrich it, and move it reliably between various data stores and data streams

A

AWS Glue

179
Q

A number of servers in your on-premises data center have been collecting dust over the past few years. What is the benefit of moving to the Cloud in this case?

A

The ability to provision resources only when you need them

180
Q

Which AWS service allows me to patch my Windows EC2 instances without having to RDP into them?

A

AWS Systems Manager

181
Q

What are the benefits of using Amazon DynamoDB as your database?

A
  1. You can store different kinds of unstructured data that would normally not be suitable for relational databases
  2. Database size scales automatically so you won’t have to worry about capacity
182
Q

self-healing database in AWS

A

Amazon Aurora

183
Q

What AWS storage service offers faster disk read and write performance and provides temporary block-level storage for your instance?

A

Instance Store

184
Q

Provide enhanced performance and durability for database (DB) instances. This feature makes it easy to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads

A

Amazon RDS Read Replicas

185
Q

The most cost-effective and scalable choice for object storage?

A

Amazon S3

186
Q

This is an NFS file storage solution used together with EC2 instances or other virtual servers

A

Amazon EFS

187
Q

This is a volume storage solution that requires a running EC2 instance, and so is not easily scalable

A

Amazon EBS

188
Q

Should you provision if your local data center requires additional storage space without having to migrate data?

A

AWS Storage Gateway

189
Q

Which of the following RDS engines allows you to bring your own license (BYOL)?

A

Oracle

190
Q

Which of the following actions does not affect costs when using Amazon S3?

A

Data transfer costs for uploading objects into your S3 bucket

191
Q

Which of the following actions does affect costs when using Amazon S3?

A
  1. Choosing S3 Standard IA rather than One Zone IA
  2. Making GET requests to your S3 objects
  3. Moving objects out of your S3 bucket to another bucket
192
Q

What is the primary benefit of creating a scalable system?

A

Applications are able to handle varying loads of work

193
Q

An engineer is having trouble migrating and configuring a licensed application she uses onto her EC2 instances. What alternative does she have to do to quickly get her applications up and running in AWS?

A

Try to look for an AMI in the AWS Marketplace that provides a similar setup to her application stack

194
Q

You have a customized EC2 instance running your latest web application. How can you create an exact copy of this instance in another region?

A

Create a golden AMI of the instance and copy it to the other region

195
Q

Is an AMI that contains the latest security patches, software, configuration, and software agents that you need to install for logging, security maintenance, and performance monitoring

A

Golden AMI

196
Q

A customer is using your S3-based service to store sprites of game characters. When players retrieve these sprites, they are temporarily stored on the player’s computer. If the S3 bucket is using a standard storage class, how can you further optimize cost?

A

Have the customer directly upload the sprites to S3 Standard – Infrequent Access

197
Q

What is an advantage of cloud computing when it comes to equipment expenditures?

A

AWS introduces cost reductions each year in their services

198
Q

A MariaDB RDS database is known to have high memory consumption during peak hours which deteriorates the overall performance of your application. What cost-effective change can you introduce to resolve this issue if the database is handling write-intensive operations?

A

Scale the instance vertically to a higher memory capacity

199
Q

Where is the best place to archive logs and other infrequently accessed files for a long time with no strict retrieval time?

A

Amazon Glacier

200
Q

Which AWS well-architected pillar stresses the importance of selecting the most appropriate and right number of resource types for your requirements?

A

Cost optimization

201
Q

This pillar focuses on the ability to prevent and quickly recover from failures to meet business and customer demand

A

Reliability

202
Q

This pillar focuses on running and monitoring systems to deliver business value, and continually improving processes and procedures

A

Operational Excellence

203
Q

This pillar focuses on using IT and computing resources efficiently

A

Performance efficiency

204
Q

Focuses on avoiding un-needed costs. Key topics include understanding and controlling where money is being spent, selecting the most appropriate and right number of resource types, analyzing spend over time, and scaling to meet business needs without overspending

A

Cost optimization

205
Q

When is using Amazon RDS a better choice than using a local database?

A

When you want to offload administration responsibilities from yourself

206
Q

Which of the following services combine 5G networks with AWS compute and storage services for the benefit of high-performance mobile applications?

A

AWS Wavelength

207
Q

Combines the high bandwidth and ultra-low latency of 5G networks with AWS compute and storage services to enable developers to innovate and build a whole new class of applications

A

AWS Wavelength

208
Q

A set of tools and frameworks that accelerate the development of mobile and web applications on AWS

A

AWS Amplify

209
Q

This is a service that makes it easy to set up and govern a secure, multi-account AWS environment based on industry best practices

A

AWS Control Tower

210
Q

Your central repository for encryption keys in your account. It is useful if you have data that you need to encrypt, and you want a central location where you can manage your keys

A

AWS Key Management Service (KMS)

211
Q

A developer needs to collect and process large streams of data records in real-time. Which AWS service should be used for this task?

A

Amazon Kinesis Data Streams

212
Q

Can trace requests made to your serverless applications built using AWS Lambda. It enables you to gain insights into the performance of serverless applications, allowing you to pinpoint the root cause of issues so that you can address them

A

AWS X-Ray

213
Q

What service simplifies contact center operations, improves agent efficiency, lowers costs, and can scale to support millions of customers?

A

Amazon Connect

214
Q

Provides a seamless experience across voice and chats for your customers and agents. Simplifies contact center operations, improves agent efficiency, and lowers costs. You can set up a contact center in minutes that can scale to support millions of customers

A

Amazon Connect

215
Q

A service for building conversational interfaces into any application using voice and text. It is used to build chatbots for everyday consumer requests, such as accessing the latest news updates, game scores, or weather

A

Amazon Lex

216
Q

A high-performance computing (HPC) application needs a storage service in AWS that can be used as a centralized Windows File Server for multiple EC2 instances.

Which service to use?

A

Amazon FSx

217
Q

Although it is a shared file system storage, EFS only supports Linux workloads

A

Amazon EFS

218
Q

Which AWS service provides automated reference deployments for key workloads in AWS via CloudFormation templates?

A

AWS Quick Starts

219
Q

Are built by AWS solutions architects and partners to help you deploy popular technologies on AWS, based on AWS best practices for security and high availability. These accelerators reduce hundreds of manual procedures into just a few steps, so you can build your production environment quickly and start using it immediately

A

AWS Quick Starts

220
Q

A developer needs to set up a message broker service for Apache ActiveMQ for its enterprise application running in AWS. Which service should be used in this scenario?

A

Amazon MQ (Message Queuing)

221
Q

A communications service that lets you meet, chat, and place business calls inside and outside your organization, all using a single application. This service is not suitable for setting up a message broker service

A

Amazon Chime

222
Q

A service to manage your corporate email infrastructure and eliminates the need for up-front investments to license and provision on-premises email servers. This service does not provide direct access to the ActiveMQ console and industry-standard APIs and protocols for messaging, including JMS, NMS, AMQP, STOMP, MQTT, and WebSocket.

A

Amazon WorkMail

223
Q

Which of the following AWS services allows you to query data directly in Amazon S3?

A

Amazon Athena and Amazon Redshift Spectrum

224
Q

Allows you to query and retrieve structured and semistructured data from files in Amazon S3 without having to load the data into Amazon Redshift tables

A

Amazon Redshift Spectrum

225
Q

Not suitable for querying data in Amazon S3

A

Amazon MQ, Amazon Neptune, and Amazon Elasticache

Amazon MQ is a message broker service for Apache ActiveMQ. Amazon Neptune is a fully-managed graph database service. Amazon Elasticache is an in-memory data store and caching service

226
Q

A customer needs to store objects that are frequently accessed. To help the customer save costs, you must select a storage service free from retrieval charges. Which of the following S3 storage classes would meet this requirement?

A

S3 Intelligent Tiering and S3 Standard

227
Q

Is a compute engine for Amazon ECS that allows you to run containers without having to
manage servers or clusters

Eliminates the need to manage containers manually

A

AWS Fargate

228
Q

An organization is mandated to secure its Amazon S3 bucket and ensure that it cannot have any public objects to satisfy the compliance requirements.

What S3 feature should be used to easily accomplish this?

A

Block Public Access

229
Q

Amazon S3 Gateway Endpoint

A

A VPC endpoint for Amazon S3 that enables AWS services in your VPC to use private IP addresses to access Amazon S3 with no exposure to the public Internet

230
Q

Resolver, traffic flow, latency based routing, Geo DNS, Private DNS for Amazon VPC, DNS Failover, and Domain Registration

A

Amazon Route 53

231
Q

A company plans to encrypt and manage its own encryption keys using a single-tenant hardware security module. The company must also have exclusive control over how its keys are used via an authentication mechanism independent from AWS

A

AWS Cloud Hardware Security Module (HSM)

232
Q

A developer plans to build a serverless application with a key-value database. Which of the following AWS services can be used to fulfill this requirement?

A

Amazon DynamoDB and AWS Lambda

233
Q

This team only guides a customer on how AWS services fit together to meet a specific architecture, use-case, workload, or application

A

Architecture Support

234
Q

What types of caching solutions are available in Amazon ElastiCache?

A

Redis, Memcached, and Redis Global Database

235
Q

Which of the following is a benefit of using AWS Global Accelerator?

A

Decreased latency in accessing applications hosted in AWS

It provides you with static IP addresses that serve as a fixed entry point to your applications hosted in one or more AWS Regions

236
Q

A web interface for Amazon Web Services that allows you to access and manage cloud services

A

AWS Management Console

237
Q

A Graph Database service that makes it easy for you to build and run applications that work with highly connected datasets

A

Amazon Neptune

238
Q

A customer plans to speed up the time it takes to download data between its clients and S3 bucket over long distances

A

Amazon S3 Transfer Acceleration

239
Q

Provides a collection of technical resources to help you build more effectively and efficiently in the AWS Cloud

A

AWS Architecture Center

240
Q

A VPN service used to securely access your AWS resources and resources in your on-premises network

A

AWS Client VPN

AWS Certified Cloud Practitioner (4 decks)

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