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AWS CLF-C02 > Free Code Camp > Flashcards

Free Code Camp Flashcards

1
Q

You have a mission-critical application that must be globally available at all times. If this is the case, which of the below deployment mechanisms would you employ? (1)

A

Deployment to Multiple Regions

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2
Q

Which of the following can be used to protect against DDoS attacks (2)

A

AWS Shield
AWS Shield Advanced

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3
Q

Which of the following are the right principles when designing cloud-based systems? (2)

A

Build loosely-coupled components
Assume everything will fail

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4
Q

A company does not want to manage their database. Which of the following services is a fully managed NoSQL database provided by AWS.

A

DynamoDB

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5
Q

Which AWS service allows for distribution of incoming application traffic across multiple EC2 instances?

A

AWS ELB

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6
Q

Which of the following benefits does consolidated billing provide in AWS Organizations?

A

Simplified payment process with a single bill and payment method.

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7
Q

Which of the following is the amount of storage that can be stored in the Simple Storage service?

A

Virtually unlimited storage

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8
Q

What AWS tool lets you view and analyze your costs and usage?

A

Cost Explorer

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9
Q

What is the service provided by AWS that lets you host Domain Name systems?

A

Route 53

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10
Q

What service helps you to aggregate logs from your EC2 instance?

A

Cloudwatch Logs

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11
Q

Which of the following is a serverless compute offering from AWS?

A

AWS Lambda

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12
Q

What does Amazon EC2 provide?

A

Virtual servers in the Cloud.

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13
Q

Which of the following storage mechanisms can be used to store messages effectively which can be used across distributed systems.

A

Amazon SQS

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14
Q

When working on the costing for on-demand EC2 instances, which of the following attributes determine the cost of the EC2 Instance? (3)

A

Instance Type
AMI Type
Location Type

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15
Q

Which of the following services helps provide a connection from on-premises infrastructure to resources hosted in the AWS Cloud. (2)

A

AWS Direct Connect
AWS VPN

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16
Q

In order to predict the cost of moving resources from on-premise to the cloud, which of the following can be used?

A

AWS Pricing Calculator

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17
Q

There is a requirement to host a set of servers in the Cloud for three months. Which of the following purchasing options for AWS EC2 instances would be the most cost-effective?

A

On-Demand Instances

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18
Q

What is a document that provides a formal statement of one or more permissions?

A

Policy

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19
Q

You are planning to serve a web application on the AWS Platform by using EC2 Instances. Which of the below principles would you adopt to ensure that even if some of the EC2 Instances crashes , you still have a working application

A

Using a fault-tolerant system

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20
Q

Which security feature can be used in a VPC subnet to protect against incoming traffic requests?

A

NACL

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21
Q

AWS provides a storage option known as Amazon S3 Glacier.
What is this AWS service designed for? (2)

A

Infrequently accessed data
Data archives

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22
Q

What is the concept of an AWS region?

A

It is a geographical area divided into Availability Zones

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23
Q

Which one of the following features is included in all AWS Support plans?

A

24/7 access to Customer Service

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24
Q

Which of the following is AWS services allows you to build a data warehouse on the cloud?

A

AWS Redshift

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25
Q

Which of the following IAM identities allow an application deployed on an EC2 instance to write data to S3 in a secure manner?

A

AWS IAM Roles

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26
Q

When using On-Demand instances in AWS, which of the following statements is false regarding the cost for the Instance? (2)

A

You pay upfront costs for the instance.
You have to pay the termination fees if you terminate the instance.

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27
Q

Which of the following AWS services can assist you with cost optimization?

A

AWS Trusted Advisor

28
Q

Which of the following is AWS managed database service provides processing power that is up to 5X faster than a traditional MySQL database.

A

Aurora

29
Q

There is a requirement to move a 10 TB data warehouse to the AWS cloud. Which of the following is an ideal service which can be used to move this amount of data to the AWS Cloud?

A

AWS Snowcone SSD

30
Q

Which of the following are attributes to the costing for using the Simple Storage Service (2)

A

The storage class used for the objects stored.
The total size in gigabytes of all objects stored.

31
Q

You are exploring what services AWS has off-hand. You have a large number of data sets that need to be processed. Which of the following services can help fulfil this requirement.

A

EMR

32
Q

You are are running a web-application and you want to improve response times for data that is requested frequently. Which AWS service should you use to improve performance to frequently accessed data?

A

Amazon ElastiCache

33
Q

How do you backup an EBS Volume?

A

EBS Snapshot

34
Q

A company wants to utilize AWS storage. For them, low storage cost is paramount, the data is rarely retrieved, and data retrieval times of several hours are acceptable for them. What is the best storage option to use?

A

AWS Glacier

35
Q

You have a distributed application that regularly processes large amounts of data across multiple Amazon EC2 instances and can recover smoothly from interruptions. This application does not require continuous, dedicated compute capacity. What is the most cost-effective way to ensure the availability of this application?

A

Spot Instances

36
Q

What are the characteristics of Amazon S3? (2)

A

S3 allows you to store unlimited amounts of data.
Objects are directly accessible via a URL.

37
Q

If you want to develop an application in Java, which of the following tools would you use?

A

AWS SDK

38
Q

Which services allow the customer to retain full administrative privileges of the underlying virtual infrastructure?

A

Amazon EC2

39
Q

You have a Web application hosted in an EC2 Instance that needs to send notifications based on events. Which of the below services can assist in sending notifications?

A

AWS SNS

40
Q

Which AWS service uses Edge Locations for content caching?

A

AWS CloudFront

41
Q

Which of the following is NOT a disaster recovery option in the cloud?

A

Single Site

42
Q

Which of the following is a best practice when working with permissions in AWS?

A

Ensure the least privilege access is used

43
Q

Which of the following AWS services automatically increases or decreases the number of resources (such as EC2 or ECS) running in a group based on demand?

A

AWS Auto Scaling

44
Q

What acts as a firewall that controls the traffic allowed to reach one or more instances?

A

Security group

45
Q

In your AWS Organization, there are two accounts: one for Development (Dev) and another for Quality Assurance (QA). Both are part of a consolidated billing system managed by the master account. The master account has purchased three Reserved Instances, a billing model offering discounted rates compared to On-Demand pricing.

A

One Reserved and two On-Demand

46
Q

What is the AWS service provided which provides a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability.

A

DynamoDB

47
Q

What AWS service has built-in DDoS mitigation?

A

CloudFront

48
Q

What is the key difference between an availability zone and an edge location?

A

An availability zone is an isolated location within an AWS region, whereas an edge location will deliver cached content to the closest location to reduce latency

49
Q

Which of the following can be used to manage identities in AWS.

A

AWS IAM

50
Q

What is the service provided by AWS that allows developers to easily deploy and manage applications on the cloud?

A

Elastic Beanstalk

51
Q

Which of the following is not a supported database engine in the AWS Relation Database Service?

A

SQLite

52
Q

In AWS billing, what option can be used to ensure costs can be reduced if you have multiple accounts?

A

Consolidated billing

53
Q

You want to take a snapshot of an EC2 Instance and create a new instance out of it. In AWS what is this snapshot equivalent to?

A

AMI

54
Q

A company wants to create standard templates for the deployment of its Infrastructure. Which AWS service can be used in this regard?

A

AWS CloudFormation

55
Q

Which of the following AWS services should you use to migrate an existing database to AWS?

A

AWS DMS

56
Q

You want to monitor the CPU utilization of an EC2 resource in AWS. Which of the below services can help in this regard

A

AWS Cloudwatch

57
Q

What is the ability provided by AWS to enable fast, easy, and secure transfers of files over long distances between your client and your Amazon S3 bucket.

A

S3 Transfer Acceleration

58
Q

In AWS, which security aspects are the customer’s responsibility? (4)

A

-Security Group and ACL (Access Control List)settings
-Patch management on the EC2 instance’s guest operating system
-Life-cycle management of IAM credentials
-Encryption of EBS (Elastic Block Storage) volumes

59
Q

Which of the following options of AWS RDS allows for AWS to failover to a secondary database in case the primary one fails?

A

AWS Multi-AZ

60
Q

Which of the following benefits would be attractive to a company moving from on-premise to AWS? (3)

A

-Secure
-Flexible
-Cost-Effective

61
Q

Which AWS service allows you to create a private, isolated section of the cloud where you can configure your own IP address range, subnets, route tables, and network gateways for your AWS resources?

A

AWS VPC

62
Q

What are the four levels of AWS Premium Support?

A

Developer, Business, Enterprise On-Ramp, Enterprise

63
Q

Which of the following are benefits of the AWS’s Relational Database Service (RDS)? (2)

A

-Automated patches and backups

-You can resize the capacity accordingly

64
Q

Which of the following service enables you to assess, audit, and evaluate the configurations of your AWS resources?

A

AWS Config

65
Q

A company is deploying a two-tier, highly available web application to AWS. Which service provides durable storage for static content while utilizing lower Overall CPU resources for the web tier?

A

Amazon S3

AWS CLF-C02 (10 decks)

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