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AWS Practitioner > Technology > Flashcards

Technology Flashcards

1
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?
General Purpose
Memory Optimized
Compute Optimized
Storage Optimized

A

Compute Optimized

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2
Q

Which process is an example of Elastic Load Balancing?
1- Ensuring that no single Amazon EC2 instance has to carry the full workload on its own
2- Removing unneeded Amazon EC2 instances when demand is low
3- Adding a second Amazon EC2 instance during an online store’s popular sale
4- Automatically adjusting the number of Amazon EC2 instances to meet demand

A

Ensuring that no single Amazon EC2 instance has to carry the full workload on its own. (The others are Auto Scaling.)

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3
Q

You want to deploy and manage containerized applications. Which service should you use?
1- AWS Lambda
2- Amazon Simple Notification Service (SNS)
3- Amazon Simple Queue Service (SQS)
4- Amazon Elastic Kubernetes Service (EKS)

A

Amazon Elastic Kubernetes Service (EKS)

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4
Q

Which statement is TRUE for the AWS global infrastructure?
1- A Region consists of a single Availability Zone
2- An Availability Zone consists of two or more Regions
3- A Region consists of two or more Availability Zones
4- An Availability Zone consists of a single Region

A

3- A Region consists of two or more Availability Zones

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5
Q

Which 4 factors should be considered when selecting a Region?

A

Proximity to your customers
Compliance with data governance and legal requirements
Available services within a region
Pricing

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6
Q

What is Amazon CloudFront?

A

A GLOBAL CONTENT DELIVERY SERVICE that uses a network of edge locations to cache content and deliver content to customers all over the world.

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7
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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8
Q

Which action can you perform with AWS Outposts?
1- Automate actions for AWS services and applications through scripts
2- Access wizards and automated workflows to perform tasks in AWS services
3- Develop AWS applications in supported programming languages
4- Extend AWS infrastructure and services to your on-premises data center

A

Extend AWS infrastructure and services to your on-premises data center

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9
Q

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

A

Amazon Route 53

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10
Q

Which TWO Amazon S3 storage classes are optimized for archival data?
1- S3 Standard
2- S3 Glacier Flexible Retrieval
3- S3 Intelligent-Tiering
4- S3 Standard-IA
5- S3 Glacier Deep Archive

A

Glacier Flexible Retrieval
Glacier Deep Archive

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11
Q

Which statement(s) are TRUE about Amazon EBS volumes and Amazon EFS file systems?
1- EBS volumes store data within a single Availability Zone. EFS file systems store data across multiple Availability Zones
2- EBS volumes store data across multiple Availability Zones. EFS file systems store data within a single Availability Zone
3- EBS and EFS both store data within a single Availability Zone
4- EBS and EFS both store data across multiple Availability Zones

A

EBS SINGLE Availability Zone. EFS MULTIPLE Availability Zones

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12
Q

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

A

Amazon Simple Storage Service (S3)

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13
Q

What is Amazon DynamoDB?

A

A SERVERLESS KEY-VALUE database service

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14
Q

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

A

Amazon Redshift

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15
Q

What is Amazon Neptune?

A

GRAPH database service. You can use it to build and run applications that work with HIGHLY CONNECTED datasets, such as recommendation engines, fraud detection, and knowledge graphs

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16
Q

What is the storage capacity of AWS Snowmobile?

A

100PB

17
Q

What is Amazon Lex

A

A service that enables you to build CONVERSATIONAL INTERFACES using VOICE and TEXT. You can quickly build, test, and deploy conversational chatbots to use in your applications.

18
Q

Which AWS service allows you to connect user requests to infrastructure in AWS and outside of AWS?

A

Amazon Route 53

19
Q

You want to send and receive messages between distributed application components? Which service should you use?

A

Amazon Simple Queue Service (SQS)

20
Q

Which tool is used to automate actions for AWS services and applications through scripts?

A

AWS Command Line Interface (CLI)

21
Q

You want Amazon S3 to monitor your objects’ access patterns. Which storage class should you use?

A

Amazon S3 Intelligent Tiering

22
Q

You want to store data in a key-value database. Which service should you use?

A

DynamoDB

23
Q

What is AWS Lambda?

A

Service that lets you run code without needing to provision or manage servers. You pay only for compute time while your code is running.

24
Q

What is Elastic Load Balancing?

A

A service that distributes incoming traffic across multiple targets, such as EC2 instances.

25
Q

You want to store data in a volume that is attached to an Amazon EC2 instance. Which service should you use?

A

Amazon Elastic Block Store (EBS). If you stop or terminate an EC2 instance, all the data on the attached EBS volume remains available.

26
Q

You are running an EC2 instance and want to store data in an attached resource. Your data is temporary and will not be kept long-term. Which resource should you use?

A

Instance store. When an EC2 instance is stopped or terminated all the data that has been written to the attached instance is deleted.

27
Q

Which virtual private cloud (VPC) component controls inbound and outbound traffic for EC2 instances?

A

Security Group: a virtual firewall that controls inbound/outbound traffic for an EC2 instance. Be default it DENIES all INBOUND traffic and ALLOWS all OUTBOUND traffic.

28
Q

What is a subnet?

A

A section fo a VPC in which you can group resources based on security or operational needs

29
Q

What is a network access list (ACL)?

A

A virtual firewall that controls inbound/outbound traffic at the subnet level

30
Q

What is an Internet Gateway?

A

A connection between a VPC and the INTERNET. It allows public traffic from the internet to access a VPC.

31
Q

Which TWO storage tiers does S3 Intelligent Tiering storage class move objects in and out of?

A

S3 Standard
S3 Standard-IA

32
Q

What is AWS Elastic Beanstalk

A

Service that automatically handles the deployment details of capacity provisioning, load balancing, auto-scaling, and application health monitoring. You provide the code and configuration settings.

33
Q

What is an Availability Zone?

A

A fully ISOLATED portion of the AWS GLOBAL infrastructure. A single data center or a group of data centers within a Region. Availability Zones are located tens of miles apart.

34
Q

A separate geographical location with multiple locations that are isolated from each other is:

A

Region

35
Q

The server from which Amazon CloudFront gets your files

A

Origin

36
Q

Which service enables you to build the workflows that are required for human review of machine learning predictions?

A

Amazon Augmented AI: provides built-in human review workflows for common machine learning use cases, such as content moderation and text extraction from documents.

37
Q

What is Amazon Textract?

A

Machine learning service that automatically extracts text and data from SCANNED DOCUMENTS

38
Q

What is Amazon Aurora?

A

Enterprise-class relational database

AWS Practitioner (4 decks)

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