Jessica is managing an e-commerce web application in AWS. The application is hosted on six EC2 instances. One day, three of the instances crashed; but none of her customers were affected. What has Jessica done correctly in this scenario?

She has properly built a fault tolerant system.

She has properly built an elastic system.

She has properly built an encrypted system.

She has properly built a scalable system.

What does Amazon Elastic Beanstalk provide?

A PaaS solution to automate application deployment.

A compute engine for Amazon ECS.

A scalable file storage solution for use with AWS and on-premises servers.

Which of the following is NOT a characteristic of Amazon Elastic Compute Cloud (Amazon EC2)?

Amazon EC2 eliminates the need to invest in hardware upfront.

Amazon EC2 is considered a Serverless Web Service.

Amazon EC2 can launch as many or as few virtual servers as needed.

Amazon EC2 offers scalable computing.

What are the advantages of using Auto Scaling Groups for EC2 instances?

Auto Scaling Groups scales EC2 instances in multiple Availability Zones to increase application availability and fault tolerance.

Auto Scaling Groups caches the most recent responses at global edge locations to reduce latency and improve performance.

Auto Scaling Groups scales EC2 instances across multiple regions to reduce latency for global users.

Auto Scaling Groups distributes application traffic across multiple Availability Zones to enhance performance.

Which of the following are true regarding the languages that are supported on AWS Lambda? (Choose TWO)

Lambda natively supports a number of programming languages such as Node.js, Python, and Java.

Lambda can support any programming language using an API.

Lambda only supports Python and Node.js, but third party plugins are available to convert code in other languages to these formats.

Lambda is AWS' proprietary programming language for microservices.

Lambda doesn't support programming languages; it is a serverless compute service.

A company's AWS workflow requires that it periodically perform large-scale image and video processing jobs. The customer is seeking to minimize cost and has stated that the amount of time it takes to process these jobs is not critical, but that cost minimization is the most important factor in designing the solution. Which EC2 instance class is best suited for this processing?

EC2 Reserved Instances - No Upfront.

EC2 Reserved Instances - All Upfront.

Your application requirements for CPU and RAM are changing in an unpredictable way. Which service can be used to dynamically adjust these resources based on load?

Amazon Elastic Container Service.

Which of the following is NOT a benefit of using AWS Lambda?

AWS Lambda provides resizable compute capacity in the cloud.

AWS Lambda runs code without provisioning or managing servers.

There is no charge when your AWS Lambda code is not running.

AWS Lambda can be called directly from any mobile app.

Amazon EC2 instances are conceptually very similar to traditional servers. However, using Amazon EC2 server instances in the same manner as traditional hardware server instances is only a starting point. What are the main benefits of using the AWS EC2 instances instead of traditional servers? (Choose TWO)

Can be scaled manually in a shorter period of time.

Provides your business with a seamless remote accessibility.

Prevents unauthorized users from getting into your network.

Provides automatic data backups.

A user is planning to launch two additional Amazon EC2 instances to increase availability. Which action should the user take?

Launch the instances across multiple Availability Zones in a single AWS Region.

Launch the instances as EC2 Reserved Instances in the same AWS Region and the same Availability Zone.

Launch the instances in multiple AWS Regions but in the same Availability Zone.

Launch the instances as EC2 Spot Instances in the same AWS Region but in different Availability Zones.

A company wants to reduce the physical compute footprint that developers use to run code. Which service would meet that need by enabling serverless architectures?

Amazon Elastic Compute Cloud (Amazon EC2).

How does AWS shorten the time to provision IT resources?

It provides the ability to programmatically provision existing resources.

It supplies an online IT ticketing platform for resource requests.

It supports automatic code validation services.

It automates the resource request process from a company's IT vendor list.

A company's web application currently has light dependencies on underlying components so when one component fails the entire web application fails. Applying which AWS Cloud design principle will address the current design issue?

Focusing on decoupling components by isolating them and ensuring individual components can function when other components.

Implementing elasticity enabling the application to scale up or scale down as demand changes.

Enabling several EC2 instances to run in parallel to achieve better performance.

Doubling EC2 computing resources to increase system fault tolerance.

Which services are parts of the AWS serverless platform?

AWS Step Functions, Amazon DynamoDB, Amazon SNS.

Amazon EC2, Amazon S3, Amazon Athena.

Amazon Kinesis, Amazon SQS, Amazon EMR.

Amazon Athena, Amazon Cognito, Amazon EC2.

In which scenario should Amazon EC2 Spot Instances be used?

A company has a number of infrequent, interruptible jobs that are currently using On-Demand Instances.

A company wants to move its main website to AWS from an on-premises web server.

A company has a number of application services whose Service Level Agreement (SLA) requires 99.999% uptime.

A company's heavily used legacy database is currently running on-premises.

AWS 2 Compute in the Cloud

Authored by Nadun Kumarasinghe

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Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of horizontal scaling in the AWS Cloud?

Replacing an existing EC2 instance with a larger, more powerful one.

Increasing the compute capacity of a single EC< instance to address the growing demands of an application.

Adding more RAM capacity to an EC2 instance.

Adding more EC2 instances of the same size to handle an increase in traffic.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Adjusting compute capacity dynamically to reduce cost is an implementation of which AWS cloud best practice?

Build security in every layer.

Parallelize tasks.

Implement elasticity.

Adopt monolithic architecture.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You want to run a questionnaire application for only one day (without interruption), which Amazon EC2 purchase option should you use?

Reserved instances.

Spot instances.

Dedicated instances.

On-demand instances.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are working on a project that involves creating thumbnails of millions of images. Consistent uptime is not an issue, and continuous processing is not required. Which EC2 buying option would be the most cost-effective?

Reserved Instances.

On-demand Instances.

Dedicated Instances.

Spot Instances.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the AWS service that enables AWS architects to manage infrastructure as code?

AWS CloudFormation.

AWS Config.

Amazon SES.

Amazon EMR.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A company is concerned that they are spending money on underutilized compute resources in AWS. Which AWS feature will help ensure that their applications are automatically adding/removing EC2 compute capacity to closely match the required demand?

AWS Elastic Load Balancer.

AWS Budgets.

AWS Auto Scaling.

AWS Cost Explorer.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following EC2 instance purchasing options supports the Bring Your Own License (BYOL) model for almost every BYOL scenario?

Dedicated Instances.

Dedicated Hosts.

On-demand Instances.

Reserved Instances.

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AWS 2 Compute in the Cloud

Which of the following is an example of horizontal scaling in the AWS Cloud?

Adjusting compute capacity dynamically to reduce cost is an implementation of which AWS cloud best practice?

You want to run a questionnaire application for only one day (without interruption), which Amazon EC2 purchase option should you use?

You are working on a project that involves creating thumbnails of millions of images. Consistent uptime is not an issue, and continuous processing is not required. Which EC2 buying option would be the most cost-effective?

What is the AWS service that enables AWS architects to manage infrastructure as code?

A company is concerned that they are spending money on underutilized compute resources in AWS. Which AWS feature will help ensure that their applications are automatically adding/removing EC2 compute capacity to closely match the required demand?

Which of the following EC2 instance purchasing options supports the Bring Your Own License (BYOL) model for almost every BYOL scenario?

What is the AWS service that provides you the highest level of control over the underlying virtual infrastructure?

In your on-premises environment, you can create as many virtual servers as you need from a single template. What can you use to perform the same in AWS?

Which of the following services allows you to run containerized applications on a cluster of EC2 instances?

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