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AWS Cloud Practitioner > Domain 1: Cloud Concepts > Flashcards

Domain 1: Cloud Concepts Flashcards

1
Q

Are designed to be
the lowest-cost Amazon S3 storage classes,
allowing you to archive large amounts of data
at a very low cost.

This makes it feasible to retain all the data
you want for use cases like
data lakes, analytics, IoT, machine learning, compliance, and media asset archiving.

You pay only for what you need,
with no minimum commitments or up-front fees

A

Amazon S3 Glacier and S3 Glacier Deep Archive

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2
Q

Amazon Elastic File System (EFS)

A

File storage service suitable
to be used as a file system
and not for storing backups

( POSIX-compliant )

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3
Q

Which AWS service should you use
if you need to launch a highly scalable MySQL
OLTP (Online Transaction Processing) database?

A

Amazon Aurora

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4
Q

Amazon Aurora

A

Relational Database built for the cloud
( MySQL and PostgreSQL-compatible )

That combines: 
- Performance and Availability 
of traditional databases 
&
- Simplicity and 
Cost-effectiveness 
of open source databases
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5
Q

Amazon Redshift

A

A data warehousing solution which is best for
OLAP (online analytic processing) workloads and business intelligence (BI) applications which require complex queries against large datasets

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6
Q

What is a scalable, fast, and flexible non-relational database service ?

A

Amazon DynamoDB

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7
Q

What lets you deploy and run Memcached or Redis cache server nodes in the cloud

A

Amazon ElastiCache

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8
Q

What is a key design principle when running an application in AWS?

A

Loose coupling / Microservices

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9
Q

Loose coupling

A

This means that IT systems should be designed in a way that reduces interdependencies — a change or a failure in one component should not cascade to other components

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10
Q

What is related to object-oriented programming and not a key design principle in AWS ?

A

Logical coupling and Semantic coupling

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11
Q

What are the Regional services in AWS?

A
  1. Amazon EFS
  2. AWS Batch
  3. Amazon EC2 key pairs
  4. Amazon Machine Image
  5. AWS Lambda
  6. AWS CloudTrail
  7. Amazon VPC
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12
Q

What are the Global services in AWS?

A
  1. AWS Security Token Service
  2. Amazon Route 53
  3. Amazon CloudFront
  4. AWS IAM
  5. AWS WAF
  6. Amazon S3
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13
Q

What are Zonal services that are tied to a particular availability zone where it is launched ?

A 
Amazon EC2 Instances 
Amazon Elastic Block Stores 
Amazon FSx 
Amazon Elastic Load Balancers 
Amazon Elastic Kubernetes Service 
Amazon Elastic Container Service 
Amazon RDS
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14
Q

AWS Device Farm

A

An application testing service that lets you improve the quality of your web and mobile apps by testing them across an extensive range of desktop browsers and real mobile devices; without having to provision and manage any testing infrastructure

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15
Q

AWS Mobile Hub

A

A service that enables even a novice to easily deploy and configure mobile app backend features using a range of powerful AWS services

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16
Q

AWS Ground Station

A

This service is for controlling satellite communications and processing data using satellites

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17
Q

Amazon Lumberyard

A

This is a game engine service for creating games

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18
Q

AWS Security Bulletin

A

This AWS service is a security announcement provider service

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19
Q

What is a Component of AWS Global Infrastructure which consists of
one or more discrete data centers each with
redundant power, networking, and connectivity,
and housed in separate facilities ?

A

Availability Zone

20
Q

What is a physical site that CloudFront uses to cache copies of your content for faster delivery to users at any location ?

A

Edge locations

21
Q

What consists of multiple Availability Zones (AZs) ?

A

An AWS Region

22
Q

What is a service that 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 Virtual Private Cloud (VPC)

23
Q

What is a cloud design principle which
supports growth in users, traffic, or data size
with no drop-in performance ?

A

Scalability

24
Q

Think Parallel

A

Internalizes the concept of parallelization when designing architectures in the cloud. It advocates to not only implement parallelization wherever possible but also automate it because the cloud allows you to create a repeatable process very easily

25
Q

Design for failure

A

Encourages you to be a pessimist when designing architectures in the cloud; assume things will fail

26
Q

The Well-Architected Framework Five Pillars

A
  1. Operational Excellence
  2. Security
  3. Reliability
  4. Performance Efficiency
  5. Cost Optimization
27
Q

What best practice reinforces the use of the

Service-Oriented Architecture (SOA) design principle?

A

Decouple your components

28
Q

What is a fully managed database in AWS that can be used to store JSON documents?

A

Amazon DynamoDB

29
Q

When a company uses AWS and
decouple from their on-premises data center,
they will be able to have which of the following benefits?

A

Reduce time to market and Decrease your TCO

30
Q

The use of multi-threading in your Amazon S3 requests via the Multipart Upload API is an example of which AWS cloud best practice?

A

Think parallel

31
Q

What is tied to a specific Availability Zone where it was launched?

A

EBS Volume

32
Q

EC2 instance ID is tied to?

A

AWS Region

33
Q

A company is planning to deploy their
high-frequency trading (HFT) application
which will store constantly changing financial data
in AWS and require low latency access.

Which AWS services below should you use?

A

Amazon EFS and Amazon RDS

34
Q

Which practices demonstrate operational excellence in AWS cloud?

A
  1. Deploy small, incremental changes to your production servers using AWS CodeDeploy
  2. Perform monthly game days on your AWS environment
35
Q

Example of IaaS in AWS ?

A

Amazon EC2

36
Q

Examples of PaaS in AWS ?

A 
Amazon Lightsail
Amazon Elastic Beanstalk
Amazon GameLift
Amazon Relational Database Service (RDS)
Amazon Elastic Container Service (ECS)
37
Q

Availability Zones are physically separated by a meaningful distance from any other AZ, although all are within
100 km or 60 miles of each other.

What is the primary reason why Availability Zones are set up the way they are now?

A

To keep them as far apart from each other in case of a disaster

38
Q

Auto-Scaling based on demand is an implementation of which AWS cloud best practice?

A

Implement elasticity

39
Q

Elasticity can be implemented in three ways

A
  1. Proactive Cyclic Scaling
  2. Proactive Event-based Scaling
  3. Auto-scaling based on demand
40
Q

Well-Architected Framework

A

Has been developed to help cloud architects build secure, high-performing, resilient, and efficient infrastructure for their applications based on five pillars: operational excellence, security, reliability, performance efficiency, and cost optimization

41
Q

What is based on agile methodology and is not exclusive to the AWS cloud computing model ?

A

Scrum Development Process

42
Q

AWS Serverless Application Model

A

An open-source framework that you can use to build serverless applications on AWS

43
Q

AWS Cloud Adoption Framework

A

This is primarily used to help organizations design and travel an accelerated path to successful cloud adoption.

AWS Professional Services created this which can help you build a comprehensive approach to cloud computing across your organization, and throughout your IT lifecycle

44
Q

What is the cloud computing model for services like Amazon RDS and Amazon ECS?

A

PaaS

Amazon RDS and ECS are considered PaaS because you don’t need to worry about setting up servers, storage, and network. You only manage the application and the data

45
Q

AWS Reference Architecture Diagrams

A

A collection of technical resources to help you build industry-tested architectures more effectively and efficiently in the AWS Cloud

AWS Cloud Practitioner (14 decks)

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