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AWS > AWS EXAM SET 4 > Flashcards

AWS EXAM SET 4 Flashcards

1
Q

An e-commerce company is considering migrating its website to the AWS Cloud to improve its scalability and reduce costs.

Which statements explain the business value of migration to the AWS Cloud? (Select TWO.)

A
  1. Companies that migrate to the AWS Cloud reduce IT costs related to infrastructure, freeing the budget for reinvestment in other areas.
  2. Companies migrating to AWS Cloud can benefit from improving service level agreements (SLAs) while reducing risk and unplanned outages.
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2
Q

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

A

Instance Store

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3
Q

Where can the customer view his Reserved Instance usage for the past month?

A

AWS Billing Console

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4
Q

In the event of a disaster or an outage, AWS recommends that you spread your servers and databases at least in different _____?

A

Availability Zones

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5
Q

A company used to experience delays in developing new services due to the time it took to procure and set up on-premises servers. They recently migrated their infrastructure to the AWS Cloud. This change has allowed them to spin up testing environments in just days, accelerating the time to market for their services.

Which of the following AWS Cloud benefits is showcased in this particular scenario?

A

Agility

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6
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

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7
Q

A customer is using Amazon S3 to store sprites of game characters. When players retrieve these sprites, they are temporarily stored on the player’s computer. The sprites are currently stored in the S3 Standard storage class. Which of the following options would you recommend to optimize storage costs?

A

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

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8
Q

Which of the following is not a standard design principle when designing systems in AWS?

A

Servers, not services

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9
Q

A customer has recently experienced an SQL injection attack on their web application’s database hosted in EC2. They submitted a complaint ticket to AWS. What should be the response from AWS?

A

AWS should reiterate that the customer is responsible for the security of their applications in the Cloud.

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10
Q

Which cloud computing advantage describes how you can easily deploy your application in multiple AWS regions with just a few clicks?

A

Go global in minutes

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11
Q

What does AWS do when a storage device reaches the end of its lifespan?

A

AWS follows a strict decommissioning process as described in compliance procedures

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12
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.

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13
Q

What AWS service can monitor the compliance status of your AWS resources against a set of compliance guidelines?

A

AWS Config

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14
Q

Which compliance requirement has AWS achieved that allows handling of medical information?

A

HIPPA

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15
Q

Which AWS service will allow you to serve your dynamic web content to users globally?

A

Amazon CloudFront

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16
Q

How is expense shifted when moving from traditional servers to the Cloud?

A

Capital expense is traded for variable expense

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17
Q

A startup is in need of a database that is capable of self-healing and has a high throughput. Which of the following services fits these criteria?

A

Amazon Aurora

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18
Q

What are the benefits of using Amazon DynamoDB as your database? (Select TWO.)

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
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19
Q

Which of the following is an example of having a highly available application in AWS?

A

Running your RDS instance with multi-AZ enabled

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20
Q

A company has a customized EC2 instance running in their latest web application. How can they 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.

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21
Q

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

A

When you want to offload administration responsibilities from yourself

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22
Q

What action can be taken to strengthen the security of an AWS root account in the event of suspected unauthorized usage?

A

Configure MFA for your root account

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23
Q

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

A

Oracle

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24
Q

An organization plans to build an online application form with a detection capability to recognize attributes appearing in the images. This feature will remove forms that contain inappropriate photos uploaded by users. However, the development team has no experience building machine-learning models.

Which of the following services would you recommend?

A

Amazon Rekognition

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25
Q

What is the right arrangement of the AWS Global Infrastructure components according to their geographical coverage area size, in descending order?

A

Regions, Availability Zones, Edge Locations

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26
Q

Which of the following is true regarding the AWS Cost and Usage report? (Select TWO.)

A
  1. Allows you to load your cost and usage information into Amazon Athena, Amazon Redshift, and AWS QuickSight
  2. Provides you with granular data about your AWS costs and usage
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27
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

28
Q

Which of the following services should you provision if your local data center requires additional storage space without having to migrate data?

A

AWS Storage Gateway

29
Q

A company has game servers hosted in the US East (N. Virginia) Region. However, players from Europe and Asia experience high latency, impacting their gaming experience.

How can the company reduce latency and improve the gaming experience for players in these regions?

A

Deploy additional game servers in Europe and Asia

30
Q

What is the lowest support plan that allows an unlimited number of technical support cases to be opened?

A

Developer

31
Q

A mobile game startup plans to upgrade its local servers to serve consumers better. However, locally stored data cannot be migrated due to compliance requirements. Which of the following options would you recommend to satisfy this requirement?

A

Utilize AWS web servers but keep your data locally. Setup a hybrid model in which the web servers in AWS will communicate with your local data store.

32
Q

Which payment plan will give you the largest discount when purchasing EC2 reserved instances?

A

All upfront payment for a 3-year term purchase

33
Q

A leading mobile game company has a mission-critical server that is currently down in AWS. The Systems Administrator needs to bring it back up within 15 minutes for service continuity. Which of the following support plans will allow the Administrator to contact technical support to immediately resolve the issue?

A

Enterprise

34
Q

Which of the following is an example of IaaS in AWS?

A

Amazon EC2

35
Q

A customer has a popular website that has millions of viewers from all over the world and has read-heavy database workloads. Which of the following is the best option to use to increase the read throughput on their database?

A

Enable Amazon RDS Read Replicas

36
Q

A company is planning to use AWS Cloud to augment the resources of their on-premises data center to better serve their customers around the world. How does a company benefit from using AWS?

A

Benefit from massive economies of scale

37
Q

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

A

AWS introduces cost reductions each year in their services.

38
Q

A customer is choosing the best AWS support plan which includes a designated Technical Account Manager. Which of the following should they choose?

A

Enterprise

39
Q

What type of EBS volume is recommended for most workloads and is also usable as a boot volume?

A

General Purpose SSD

40
Q

What is a good disaster recovery precaution if you are launching a dynamic web application with mission-critical workloads that need to be available all the time?

A

Launch applications in two different AWS Regions to prevent downtime during regional outages.

41
Q

Which of the following is a benefit of using AWS Config?

A

Facilitates adherence to regulatory requirements and best practices.

42
Q

Which AWS service allows you to patch your Windows EC2 instances without having to establish an RDP connection to them?

A

AWS Systems Manager

43
Q

A company needs to run its workloads in a hybrid cloud. Due to regulatory compliance, some parts of the overall infrastructure need to be on-premises. The company wants to leverage the same API calls for both their AWS cloud and on-premises workloads.

Which AWS service or offering should the company use to meet these requirements?

A

AWS Outposts

44
Q

Which among the following is the most cost-effective and scalable choice for object storage?

A

Amazon S3

45
Q

Which of the following does the Enterprise support plan provide to customers in AWS? (Select TWO.)

A
  1. Access to online self-paced labs
  2. Proactive Technical Account Management
46
Q

A company has a complex application running on Amazon EC2 instances, and they want to automate the deployment process to ensure consistent and reliable deployments across different environments. The application requires specific deployment steps to be followed, such as pre-deployment checks, application installs and starts, and post-deployment checks.

Which AWS service will make it easy to automate these deployment steps?

A

AWS CodeDeploy

47
Q

Which of the following perspective includes the foundational capabilities of the AWS Cloud Adoption Framework (AWS CAF)?

A

Security

48
Q

A company recently migrated its e-commerce application to AWS in order to handle a surge in customer traffic. The application is hosted on Amazon EC2 instances and uses Amazon RDS to manage the product catalog and inventory.

Which of the following options provides disaster recovery solutions for Amazon EC2? (Select TWO)

A
  1. Amazon EBS Snapshots
  2. Amazon EC2 AMI
49
Q

A startup plans to host a simple WordPress site on AWS. However, due to its developers’ limited knowledge on AWS, they seek the easiest method of deploying the site.

Which AWS service should the startup use?

A

Amazon Lightsail

50
Q

Which of the following is part of the best practices in securing your AWS account?

A

Create an IAM user with admin privileges instead of using root

51
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

52
Q

A Software Engineer is having trouble migrating and configuring a licensed application on an EC2 instance. Which of the following options would you recommend to quickly get the 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.

53
Q

A company has a large amount of data stored in multiple sources such as S3, Redshift, and RDS, and they need to extract, transform and load this data into a data warehouse.

Which AWS service can help automate this process?

A

AWS Glue

54
Q

Which service offers volume discounts when you enable Consolidated Billing?

A

Amazon S3

55
Q

Which of the following does AWS automatically handle for you? (Select TWO.)

A
  1. Introduce updates and patches to EC2 hypervisors
  2. Secure AWS data centers from environmental hazards
56
Q

An employee is asking for access to your S3 buckets. What should be the level of access that you should provide to him?

A

Ask what type of access he requires and only provide him those permissions

57
Q

What cloud computing model deals with services such as EC2 instances?

A

IaaS

58
Q

What infrastructure does Amazon CloudFront utilize to speed up content delivery to customers?

A

Edge Locations

59
Q

As an AWS customer, what offering do you naturally inherit from AWS after you sign up?

A

All the best practices of AWS policies, architecture, and operational processes built to satisfy your requirements

60
Q

Which of the following instances is it better to use IAM roles rather than IAM users? (Select TWO.)

A
  1. When you want to provide AWS services permissions to do certain actions
  2. When you have outside entities that need to perform specific actions in your AWS account
61
Q

Which of the following AWS services are considered to be global services? (Select TWO.)

A
  1. Amazon Route 53
  2. AWS WAF
62
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

63
Q

Which of the following purchase options offers the most significant discount compared to On-Demand instance pricing to process steady-state workloads that will continuously be running for a year and also provide capacity reservation?

A

Standard Reserved Instance

64
Q

You have an Amazon Linux EC2 instance running for an hour and thirty minutes. How will AWS bill you in terms of usage?

A

You will be billed for an hour and thirty minutes according to the per-second billing rule

65
Q

Which of the following do you need to programmatically interact with your AWS environment? (Select T

A
  1. AWS SDK
  2. Access keys

AWS (7 decks)

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