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CLF-C01
Exam Name: AWS Certified Cloud Practitioner (CLF-
C01)
Full version: 370 Q&As
Full version of CLF-C01 Dumps
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1. A company is running a regulated Linux-based application. The application must run every Ft
day horn 8 AM until midnight. The application is critical and cannot be interrupted
Which Amazon EC2 instance purchasing option meets this requirement MOST cost-effectively?
A. On-Demand Capacity Reservation with Savings Plan
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https://www.certqueen.com/CLF-C01.html
B. Spot instances
C. Regional Reserved Instances
D. Dedicated Hosts
Answer: A
2. A company discovered unauthorized access to resources in its on-premises data center.
Upon investigation, the company found that the requests originated from a resource hosted on
AWS.
Which AWS team should the company contact to report this issue?
A. AWS Customer Service team
B. AWS Sales team
C. AWS Abuse team
D. AWS Technical Support team
Answer: D
3. Which AWS service offers threat detection and continuously monitors for malicious activity
and unauthorized behavior in AWS accounts?
A. Amazon Made
B. AWS Config
C. Amazon GuardDuty
D. Amazon Inspector
Answer: C
4. Which of the following are AWS compute services? (Select TWO.)
A. Amazon Lightsail
B. AWS Systems Manager
C. AWS CloudFormation
D. AWS Batch
E. Amazon Inspector
Answer: A,D
Explanation:
Amazon Lightsail is designed to be the easiest way to launch and manage a virtual private
server with AWS. Lightsail plans include everything you need to jumpstart your project C a
virtual machine, SSD-based storage, data transfer, DNS management, and a static IP address
C for a low, predictable price.
AWS Batch enables developers, scientists, and engineers to easily and efficiently run hundreds
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of thousands of batch computing jobs on AWS. AWS Batch dynamically provisions the optimal
quantity and type of compute resources (e.g., CPU or memory-optimized instances) based on
the volume and specific resource requirements of the batch jobs submitted. With AWS Batch,
there is no need to install and manage batch computing software or server clusters that you use
to run your jobs, allowing you to focus on analyzing results and solving problems. AWS Batch
plans, schedules, and runs your batch computing workloads across the full range of AWS
compute services and features, such as Amazon EC2 and Spot Instances.
5. A company wants its Amazon EC2 instances to provide a low-latency static website to global
users.
What should the company do to meet this requirement?
A. Use the EC2 instances in multiple edge locations.
B. Use an Application Load Balancer with the EC2 instances configured as the target.
C. Use the EC2 instances in the same Availability Zone but in different AWS Regions.
D. Use Amazon CloudFront with the EC2 instances configured as the source.
Answer: C
6. A company has existing software licenses that it wants to bring to AWS, but the licensing
model requires licensing physical cores.
How can the company meet this requirement in the AWS Cloud?
A. Launch an Amazon EC2 instance with default tenancy.
B. Launch an Amazon EC2 instance on a Dedicated Host.
C. Create an On-Demand Capacity Reservation.
D. Purchase Dedicated Reserved Instances.
Answer: B
7. Which benefit of the AWS Cloud helps companies achieve lower usage costs because of the
aggregate of all AWS users?
A. No need to guess capacity
B. Ability to go global in minutes
C. Economies of scale
D. Increased speed and agility
Answer: A
8. Which AWS service or resource helps on-premises applications connect to AWS Cloud-
based storage and caches the data locally for low-latency access?
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A. AWS Direct Connect
B. AWS Storage Gateway
C. Amazon S3
D. AWS Snowball Edge
Answer: B
Explanation:
Storage Gateway enables on-premises applications to use cloud storage by providing low-
latency data access over standard storage protocols.
9. A company has an AWS-hosted website located behind an Application Load Balancer. The
company wants to safeguard the website from SQL injection or cross-site Scripting.
Which AWS service should the company use?
A. Amazon GuardDuty
B. AWS WAF
C. AWS Trusted advisor
D. Amazon Inspector
Answer: B
10. Which AWS Cloud benefit is shown by architecture’s ability to withstand with minimal
downtime?
A. Agility
B. Elasticity
C. Scalability
D. High availability
Answer: C
11. Which AWS service decouples application components so that the components run
independently?
A. Amazon Simple Notification Service (Amazon SNS)
B. Amazon Simple Workflow Service (Amazon SWF)
C. AWS Glue
D. Amazon Simple Queue Service (Amazon SQS)
Answer: D
Explanation:
Amazon SQS is a fully managed message queuing service that makes it easy to decouple and
scale microservices, distributed systems, and serverless applications. Amazon SQS lets you
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decouple application components so that they run and fail independently, increasing the overall
fault tolerance of the system.
12. A company uses Amazon EC2 instances to run its web application. The company uses On-
demand instances and Spot instances. The company needs to visualize its monthly spending
on both types of instances.
Which AWS service or feature will meet this requirement?
A. AWS Cost Explorer
B. AWS Budgets
C. Amazon CloudWatch
D. AWS Cost Categories
Answer: A
13. Which AWS service is suited for use cases that require data backup and restore features
include data lakes and need an archiving system?
A. Amazon Elastic File System (Amazon EFS)
B. Amazon FSx for Lustre
C. Amazon Elastic Block Store (Amazon EBS)
D. Amazon S3
Answer: D
14. Which AWS benefit enables users to deploy cloud infrastructure that consists of multiple
geographic regions connected by a network with low latency, high throughput, and redundancy?
A. Economies of scale
B. Security
C. Elasticity
D. Global reach
Answer: D
15. What is a benefit of using AWS serverless computing?
A. Application deployment and management are not required.
B. Application security will be fully managed by AWS.
C. Monitoring and logging are not needed.
D. Management of infrastructure is offloaded to AWS.
Answer: A
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16. Which AWS service provides intelligent recommendations to improve code quality and
identify an application is most expensive lines of code?
A. Amazon CodeGuru
B. AWS CodeStar
C. AWS CodeCommit
D. AWS CodeDeploy
Answer: A
17. A company needs help with a specific question that is related to a planned AWS deployment
of a business application. The company has only the AWS Basic Support plan. The company
wants to have the question answered immediately by an expert who has adequate skills and
experience.
Which action should the company take to meet these requirements?
A. Submit the question to AWS Support by phone or live chat.
B. Submit the question in AWS re:Post
C. Connect with other AWS customers by using AWS Connect
D. Connect with an AWS professional by using AWS IQ.
Answer: A
18. Which design principle is achieved by following the reliability pillar of the AWS We
11-Architected Framework?
A. Vertical scaling
B. Manual failure recovery
C. Testing recovery procedures
D. Changing infrastructure manually
Answer: C
Explanation:
Testing recovery procedures
Reliability
Design Principles
Automatically recover from failure
Test recovery procedures
Scale horizontally to increase aggregate workload availability
Stop guessing capacity
Manage change in automation
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19. A company needs an AWS service that can monitor the company's AWS account If the
service identifies misconfigurations; the company's operations team must receive an alert
Additionally, the service must remediate the issues by invoking AWS Lambda functions.
Which service will meetthese requirements?
A. Amazon Macie
B. Amazon GuardDuty
C. AWS Config
D. AWS Trusted Advisor
Answer: D
20. A company uses a database that has a simple sign-up page to create users, and a basic
login form to authenticate users so they can access the database. The company wants to give
users the ability to store personal information, but user access must be controlled in a more
secure and reliable way.
Which AWS service or feature will meet these requirements?
A. Security groups
B. Amazon GuardDuty
C. AWS Secrets Manager
D. Amazon Cognito
Answer: D
Explanation:
aws.amazon.com/cognito/
21. A company wants to rightsized its Amazon EC2 instances.
Which configuration change will meet this requirement with the LEAST operational overhead?
A. Add EC2 instances in another Availability Zone.
B. Change the size and type of the EC2 instances based on utilization.
C. Convert the payment method from On-Demand to Savings Plans.
D. Retravision the EC2 instances with a larger instance type.
Answer: B
22. A company is planning to configure multi-factor authentication (MFA) for a business
application. The company needs to use text messages to distribute one-time passwords to us
customers worldwide.
When AWS service should the company use to meet this requirement?
A. Amazon EventBridge (Amazon CloudWatch Events)
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B. AWS identity and Access Management (IAM)
C. Amazon Simple Notification Service (Amazon SNS)
D. Amazon Connect
Answer: C
23. A company needs to block SQL injection attacks.
Which AWS service or feature provides this functionality?
A. AWS WAF
B. Network ACLs
C. Security groups
D. AWS Trusted Advisor
Answer: A
24. How does consolidated billing help reduce costs for a company that has multiple AWS
accounts?
A. It aggregates usage across accounts so that the company can reach volume discount
thresholds sooner.
B. It offers an additional 5% discount on purchases of All Upfront Reserved Instances.
C. It provides a simplified billing invoice that the company can process more quickly than a
standard invoice.
D. It gives AWS resellers the ability to bill their customers for usage.
Answer: A
Explanation:
Consolidated billing for AWS Organizations
You can use the consolidated billing feature in AWS Organizations to consolidate billing and
payment for multiple AWS accounts or multiple Amazon Internet Services Pvt. Ltd (AISPL)
accounts. Every organization in AWS Organizations has a management account that pays the
charges of all the member accounts. For more information about organizations, see the AWS
Organizations User Guide. Consolidated billing has the following benefits:
*One bill C You get one bill for multiple accounts.
*Easy tracking C You can track the charges across multiple accounts and download the
combined cost and usage data.
*Combined usage C You can combine the usage across all accounts in the organization to
share the volume pricing discounts, Reserved Instance discounts, and Savings Plans. This can
result in a lower charge for your project, department, or company than with individual
standalone accounts. For more information, see Volume discounts. *No extra fee C
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Consolidated billing is offered at no additional cost.
Note:
The member account bills are for informational purpose only. The management account might
reallocate the additional volume discounts, Reserved Instance, or Savings Plans discounts that
your account receives.
If you have access to the management account, you can see a combined view of the AWS
charges that the member accounts incur. You also can get a cost report for each member
account.
AWS and AISPL accounts can't be consolidated together. If your contact address is in
India, you can use AWS Organizations to consolidate AISPL accounts within your
organization.
Important
When a member account leaves an organization, the member account can no longer access
Cost Explorer data that was generated when the account was in the organization. The data isn't
deleted, and the management account in the organization can still access
the data. If the member account rejoins the organization, the member account can access the
data again.
25. A company implements an Amazon EC2 Auto Scaling policy along with an Application Load
Balancer to automatically recover unhealthy applications that run on Amazon EC2 instances.
Which pillar of the AWS Well-Architected Framework does this action cover?
A. Security
B. Performance efficiency
C. Operational excellence
D. Reliability
Answer: D
Explanation:
The reliability pillar includes the ability of a system to recover from infrastructure or service
disruptions
26. A company needs an AWS design solution for a distributed system. The system's
components need to be set up so that one system component cannot negatively impact another
component.
Which AWS architectural best practice will meet this requirement?
A. Use request throttling
B. Use a stateful service
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C. Implement automatic data backups
D. Implement loose coupling
Answer: C
27. A company needs to report on events that involve the specific AWS services that the
company uses.
Which AWS service or resource can the company use with Amazon CloudWatch to meet this
requirement?
A. Amazon Inspector
B. AWS Personal Health Dashboard
C. AWS Trusted Advisor
D. AWS Cloud Trail logs
Answer: B
28. Which AWS service is a fully hosted version control service?
A. AWS CodeCommit
B. AWS CodeBuild
C. AWS CodeDeploy
D. AWS CodeStar
Answer: B
Explanation:
CodeCommit is a secure, highly scalable, managed source control service that hosts private Git
repositories. CodeCommit eliminates the need for you to manage your own source control
system or worry about scaling its infrastructure. You can use CodeCommit to store anything
from code to binaries. It supports the standard functionality of Git, so it works seamlessly with
your existing Git-based tools.
29. An application that is hosted on Amazon EC2 has a steady and consistent workload. The
application will operate for at least 1 year.
What is the MOST cost-effective instance purchasing option to meet these requirements?
A. Spot Instances
B. Reserved Instances
C. On-Demand Instances
D. Dedicated Hosts
Answer: B
Explanation:
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https://blogs.vmware.com/cloudhealth/aws-reserved-instances-vs-on-demand/#:~:text=The
difference between Reserved Instances and On Demand&text=The only difference between
the,of an On%2 0Demand instance.
30. A company is developing a new web application. The company must give users the ability to
log in to the application through social identity providers.
Which AWS service will meet these requirements?
A. AWS Directory Service
B. Amazon Cognito
C. AWS identity and Access management (IAM)
D. AWS Single Sign-On
Answer: D
31. Which AWS services or features provide disaster recovery solutions for Amazon EC2
instances? (Select TWO.)
A. EC2 Reserved Instances
B. EC2 Amazon Machine Images (AMIs)
C. Amazon Elastic Block Store (Amazon EBS) snapshots
D. AWS Shield
E. Amazon GuardDuty
Answer: B,C
Explanation:
https://docs.aws.amazon.com/whitepapers/latest/disaster-recovery-workloads-on-aws/disaster-
recovery-options-in-the-cloud.html
You can back up Amazon EC2 instances used by your workload as Amazon Machine Images
(AMIs). The AMI is created from snapshots of your instance's root volume and any other EBS
volumes attached to your instance. You can use this AMI to launch a restored version of the
EC2 instance
32. Which of the following is an AWS best practice for managing an AWS account root user?
A. Keep the root user password with the security team.
B. Enable multi-factor authentication (MFA) for the root user
C. Create an access key for the root user.
D. Keep the root user password consistent for compliance purposes.
Answer: B
Explanation:11 / 20
If you do have an access key for your AWS account root user, delete it. If you must keep it,
rotate (change) the access key regularly. To delete or rotate your root user access keys, go to
the My Security Credentials page in the AWS Management Console and sign in with your
account's email address and password. You can manage your access keys in the Access keys
section. For more information about rotating access keys, see Rotating access keys.
33. What are characteristics of AWS IAM users and groups? (Select TWO.)
A. Groups can be nested and can contain other groups.
B. A user can be a member of multiple groups
C. Groups can contain users only and cannot be nested
D. A user can only be a member of a single group at one time.
E. All new users are automatically added to a default group
Answer: B,C
34. Which AWS service provides storage that can be mounted across multiple Amazon EC2
instances?
A. Amazon Workspaces
B. Amazon Elastic File System (Amazon EFS)
C. AWS Database Migration Service (AWS DMS)
D. AWS Snowball Edge
Answer: B
35. A company needs to perform data processing once a week that typically takes about 5
hours to complete.
Which AWS service should the company use for this workload?
A. AWS Lambda
B. Amazon EC2
C. AWS CodeDeploy
D. AWS Wavelength
Answer: A
36. Which AWS service should a company use to provision, manage, and deploy SSL/TLS
certificates?
A. AWS Secrets Manager
B. Amazon Inspector
C. AWS CodeDeploy
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D. AWS Certificate Manager (ACM)
Answer: D
37. Which solution provides a fast, automated and repeatable method of deploying AWS Cloud
infrastructure to multiple AWS Regions?
A. Use AWS CodeStar to set up a continuous delivery toolchain for automated deployment
B. Create and launch an Amazon EC2 Amazon Machine Image (AMI) containing the source
code with butt-m deployment hooks lo launch other AWS services
C. Create and use an AWS CloudFormation template
D. Use AWS Systems Manager to automate management tasks such as creating Amazon EC2
Amazon Machine images (AMIS) and applying patches
Answer: C
38. Which combination of steps will enable multi-factor authentication (MFA) on an AWS
account? (Select TWO.)
A. Contact AWS Support to initiate MFA activation.
B. Activate AWS Shield on an MFA-compatible device.
C. Acquire an MFA-compatible device.
D. Activate the MFA device by using Amazon GuardDuty.
E. Activate the MFA device in the IAM console or by using the AWS CLI.
Answer: B,C
Explanation:
AWS Multi-Factor Authentication (MFA) is a simple best practice that adds
an extra layer of protection on top of your user name and password. With MFA enabled, when a
user signs in to an AWS website, they will be prompted for their user name and password (the
first factor?what they know), as well as for an authentication response from their AWS MFA
device (the second factor?what they have). Taken together, these multiple factors provide
increased security for your AWS account settings and resources.
39. A company suspects that its AWS resources are being used for illegal activities.
Which AWS group or team should the company notify?
A. AWS Abuse team
B. AWS Support team
C. AWS technical account managers
D. AWS Professional Services team
Answer: A
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Explanation:
"If you suspect that AWS resources are used for abusive purposes, contact the AWS Trust &
Safety team using the Report Amazon AWS abuse form, or by contacting
abuse@amazonaws.com. Provide all the necessary information, including logs in plaintext,
email headers, and so on, when you submit your request. Note: AWS Support can't assist with
reports of abuse or questions about notifications from the AWS Trust & Safety team. If you have
questions for the AWS Trust & Safety team, reply directly to their email.
40. Which of the following is an advantage that the AWS Cloud provides to users?
A. Users eliminate the need to guess about infrastructure capacity requirements.
B. Users decrease their variable costs by maintaining sole ownership of IT hardware.
C. Users maintain control of underlying IT infrastructure hardware.
D. Users maintain control of operating system for managed services.
Answer: A
41. A company wants to integrate its online shopping website with social media login
credentials.
Which AWS service can the company use to make this integration?
A. AWS Directory Service
B. AWS Identity and Access Management (IAM)
C. Amazon Cognito
D. AWS IAM Identity Center (AWS Single Sign-On)
Answer: C
42. Which AWS service gives a company the ability to use a private, dedicated connection
between a VPC and an on-premises data center?
A. AWS Direct Connect
B. Amazon API Gateway
C. AWS Systems Manager
D. AWS CloudFormation
Answer: C
43. A company has stopped all of its Amazon EC2 instances but monthly billing charges
continue to occur.
What could be causing this? (Select TWO.)
A. Amazon Elastic Block Store (Amazon EBS) storage charges
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B. Operating system charges
C. Hardware charges
D. Elastic IP charges
E. Input/output (I/O) charges
Answer: A,D
44. Which of the following is an architectural design principle of the AWS WeII-Architected
Framework?
A. Loosely couple components
B. Build monolithic systems
C. Scale vertically, not horizontally
D. Use third-party software
Answer: A
45. Which databases are available on Amazon RDS? (Select TWO.)
A. Sybase
B. Microsoft SQL Server
C. IBM Db2
D. MongoDB
E. PostgreSQL
Answer: B,E
46. A company wants to receive alerts when resources that are launched in the company's
AWS account reach 80% of their service quotas.
Which AWS service should the company use to meet this requirement?
A. AWS CloudTrail
B. AWS Trusted Advisor
C. AWS Config
D. Amazon inspector
Answer: B
47. Which AWS service allows for file sharing between multiple Amazon EC2 instances?
A. AWS Direct Connect
B. AWS Snowball Edge
C. AWS Backup
D. Amazon Elastic File System (Amazon EFS)
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Answer: D
Explanation:
Amazon EFS provides shared file storage for use with compute instances in the AWS Cloud
and on-premises servers. Applications that require shared file access can use Amazon EFS for
reliable file storage delivering high aggregate throughput to thousands of clients simultaneously.
48. A company runs a web application on Amazon EC2 instances. The application must run
constantly and is expected to run indefinitely without interruption.
Which EC2 instance purchasing options will meet these requirements MOST cost-effectively?
(Select TWO.)
A. On-Demand Instances
B. Spot Instances.
C. Reserved Instances
D. Savings Plans
E. Dedicated Hosts
Answer: C,D
Explanation:
Amazon EC2 provides the following purchasing options to enable you to optimize your costs
based on your needs:
*On-Demand Instances C Pay, by the second, for the instances that you launch.
*Savings Plans C Reduce your Amazon EC2 costs by making a commitment to a consistent
amount of usage, in USD per hour, for a term of 1 or 3 years.
*Reserved Instances C Reduce your Amazon EC2 costs by making a commitment to a
consistent instance configuration, including instance type and Region, for a term of 1 or 3 years.
*Spot Instances C Request unused EC2 instances, which can reduce your Amazon EC2 costs
significantly.
*Dedicated Hosts C Pay for a physical host that is fully dedicated to running your instances, and
bring your existing per-socket, per-core, or per-VM software licenses to reduce costs.
*Dedicated Instances C Pay, by the hour, for instances that run on single-tenant hardware.
*Capacity Reservations C Reserve capacity for your EC2 instances in a specific Availability
Zone for any duration.
If you require a capacity reservation, purchase Reserved Instances or Capacity Reservations for
a specific Availability Zone. Spot Instances are a cost-effective choice if you can be flexible
aboutwhen your applications run and if they can be interrupted. Dedicated Hosts or Dedicated
Instances can help you address compliance requirements and reduce costs by using your
existing server-bound software licenses.
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49. A system administrator notices that several Amazon EC2 instances nave been terminated.
The system administrator needs to identity the user or AWS API call that terminated these
instances.
Which AWS service should the system administrator use to meet this requirement?
A. AWS Trusted Advisor
B. AWS CloudTrail
C. Amazon Inspector
D. Amazon Detective
Answer: B
50. A retail company is migrating its IT infrastructure applications from on premises to the AWS
Cloud.
Which costs will the company eliminate with this migration? (Select TWO.)
A. Cost of data center operations
B. Cost of application licensing
C. Cost of marketing campaigns
D. Cost of physical server hardware
E. Cost of network management
Answer: A,D
51. A company manages an on-premises MySQL database on a Windows server. The company
wants to migrate the database to AWS and needs a solution that will reduce the administrative
overhead of the database.
Which AWS service will meet this requirement?
A. Amazon Redshift
B. Amazon ElastiCache
C. Amazon RDS
D. Amazon Elastic File System (Amazon EFS)
Answer: C
52. Where can AWS users review answers to frequently asked questions about security in the
AWS Cloud?
A. AWS Trusted Advisor
B. AWS Knowledge Center
C. AWS Support Center
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D. AWS Artifact
Answer: B
Explanation:
https://aws.amazon.com/premiumsupport/knowledge-center/
53. Which AWS services are delivered globally instead of regionally? (Select TWO.)
A. Amazon EC2
B. Amazon CloudFront
C. Amazon Route 53
D. Amazon VPC
E. Amazon RDS
Answer: B,C
54. A company needs to use a serverless interactive query service to analyze data in Amazon
S3. The query service must support standard SQL.
Which AWS service will meet these requirements?
A. Amazon Redshift
B. AWS Glue
C. Amazon Athena
D. Amazon Kinesis Data Streams
Answer: C
55. A company is using AWS Lambda.
Which task is the company’s responsibility, according to the AWS shared responsibility model?
A. Update the Lambda runtime language.
B. Maintain the runtime environment.
C. Maintain the networking infrastructure.
D. Configure the resource.
Answer: A
Explanation:
https://aws.amazon.com/lambda/security-overview-of-aws-lambda/ When customers use AWS
Lambda, AWS manages the underlying infrastructure and foundation services, the operating
system, and the application platform. Customers themselves are responsible for the security of
their code, the storage and accessibility of sensitive data, and identity and access management
(IAM) to the Lambda service and within their function.
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56. Which of the following are characteristics of AWS Regions and Availability Zones? (Select
TWO.)
A. Regions bring AWS services to on-premises facilities.
B. Regions consist of multiple Availability Zones.
C. An Availability Zone contains several Regions.
D. Regions are within 100 km (60 miles) of each other.
E. Regions are located around the world.
Answer: B
57. If a company wants to build an interactive chatbot to make a call center more efficient, which
AWS service should be used?
A. Amazon Connect
B. Amazon Lex
C. Amazon Translate
D. Amazon Polly
Answer: B
 
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