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AWS Cloud Practitioner > AWS Skill Builder > Flashcards

AWS Skill Builder Flashcards

1
Q

What are the deployment models for cloud computing?

A

Cloud, On-premises, Hybrid

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2
Q

What are the benefits of cloud computing?

A

Trade upfront expense for variable expense

Stop spending money to run and maintain data centers

Stop guessing capacity

Benefit from massive economies of scale

Increase speed and agility

Go global in minutes

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3
Q

What is cloud computing?

A

On-demand delivery of IT resources and applications through the internet with pay-as-you-go pricing

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4
Q

What is another name for on-premises deployment?

A

Private cloud deployment

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5
Q

How does the scale of cloud computing help you to save costs?

A

The aggregated cloud usage from a large number of customers results in lower pay-as-you-go prices.

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6
Q

You want to use an Amazon EC2 instance for a batch processing workload. What would be the best Amazon EC2 instance type to use?

A

Compute optimized

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7
Q

What are the contract length options for Amazon EC2 Reserved Instances?

A

1 and 3 years

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8
Q

You have a workload that will run for a total of 6 months and can withstand interruptions. What would be the most cost-efficient Amazon EC2 purchasing option?

A

Spot Instance

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9
Q

Which process is an example of Elastic Load Balancing?

A

Ensuring that no single Amazon EC2 instance has to carry the full workload on its own

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10
Q

You want to deploy and manage containerized applications. Which service should you use?

A

Amazon Elastic Kubernetes Service (Amazon EKS) or Amazon Elastic Container Service (Amazon ECS)

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11
Q

A ___ consists of two or more Availability Zones.

A

Region. For example, the South America (São Paulo) Region is sa-east-1. It includes three Availability Zones: sa-east-1a, sa-east-1b, and sa-east-1c.

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12
Q

Which factors should be considered when selecting a Region?

A
  1. . Compliance with data governance and legal requirements
  2. Proximity to your customers
  3. Feature availability - Available services within a region
  4. Pricing - depends on tax per country
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13
Q

What is Amazon CloudFront?

A

A global content delivery service

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14
Q

Which site does Amazon CloudFront use to cache copies of content for faster delivery to users at any location?

A

Edge location

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15
Q

What is DNS resolution?

A

Translating a domain name to an IP address

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16
Q

Your company has an application that uses Amazon EC2 instances to run the customer-facing website and Amazon RDS database instances to store customers’ personal information. How should the developer configure the VPC according to best practices?

A

Place the Amazon EC2 instances in a public subnet and the Amazon RDS database instances in a private subnet.

17
Q

Which component can be used to establish a private dedicated connection between your company’s data center and AWS?

A

AWS Direct Connect

18
Q

What are security groups?

A

They are stateful and deny all inbound traffic by default. Security groups are stateful. This means that they use previous traffic patterns and flows when evaluating new requests for an instance. By default, security groups deny all inbound traffic, but you can add custom rules to fit your operational and security needs.

19
Q

What is used to connect a VPC to the internet?

A

Internet gateway

20
Q

Which service is used to manage the DNS records for domain names?

A

Amazon Route 53

21
Q

Guess if it is EC2 Instance stores or Amazon EBS volumes:

Best for Data that requires retention

A

Amazon EBS Volume

22
Q

Guess if it is EC2 Instance stores or Amazon EBS volumes:

Best for temporary data that is not kept long term

A

Instance Stores

23
Q

Guess if it is EC2 Instance stores or Amazon EBS volumes:

When stopping or terminating an EC2 instances, data is deleted

A

Instance stores

24
Q

Guess if it is EC2 Instance stores or Amazon EBS volumes:

When stopping or terminating an EC2 instances, data remains available

A

Amazon EBS Volume

25
Q

You want to store data that is infrequently accessed but must be immediately available when needed. Which Amazon S3 storage class should you use?

A

S3 Standard-IA

26
Q

What are the scenarios in which you should use Amazon Relational Database Service (Amazon RDS)? (Select TWO.)

Running a serverless database

Using SQL to organize data

Storing data in a key-value database

Scaling up to 10 trillion requests per day

Storing data in an Amazon Aurora database

A

Storing data in an Amazon Aurora database

Using SQL to organize data

27
Q

Which Amazon S3 storage classes are optimized for archival data? (Select TWO.)

S3 Standard

S3 Glacier

S3 Intelligent-Tiering

S3 Standard-IA

S3 Glacier Deep Archive

A

S3 Glacier

S3 Glacier Deep Archive

28
Q

Which statement or statements are TRUE about Amazon EBS volumes and Amazon EFS file systems?

EBS volumes store data within a single Availability Zone. Amazon EFS file systems store data across multiple Availability Zones.

EBS volumes store data across multiple Availability Zones. Amazon EFS file systems store data within a single Availability Zone.

EBS volumes and Amazon EFS file systems both store data within a single Availability Zone.

EBS volumes and Amazon EFS file systems both store data across multiple Availability Zones.

A

EBS volumes store data within a single Availability Zone. Amazon EFS file systems store data across multiple Availability Zones.

29
Q

You want to store data in an object storage service. Which AWS service is best for this type of storage?

Amazon Managed Blockchain

Amazon Elastic File System (Amazon EFS)

Amazon Elastic Block Store (Amazon EBS)

Amazon Simple Storage Service (Amazon S3)

A

Amazon Simple Storage Service (Amazon S3)

30
Q

Which statement best describes Amazon DynamoDB?

A service that enables you to run relational databases in the AWS Cloud

A serverless key-value database service

A service that you can use to migrate relational databases, nonrelational databases, and other types of data stores

An enterprise-class relational database

A

A serverless key-value database service

31
Q

Which service is used to query and analyze data across a data warehouse?

Amazon Redshift

Amazon Neptune

Amazon DocumentDB

Amazon ElastiCache

A

Amazon Redshift

AWS Cloud Practitioner (2 decks)

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