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Question 1:
A company has performance and regulatory requirements that call for it to run its workload only in its on- premises data center
Which AWS services or resources should the company use? (Select TWO )
A. Amazon Pinpoint
B. Amazon WorkLink
C. AWS Outposts
D. AWS Snowball Edge
E. AWS AppSync
Correct Answer: BC
Reference: https://aws.amazon.com/worklink/ https://aws.amazon.com/outposts/
Question 2:
What is the total volume of data that can be stored in Amazon S3?
A. 10 PB
B. 50 PB
C. 100 PB
D. Virtually unlimited
Correct Answer: D
Question 3:
Which AWS service provides a simple and scalable shared file storage solution for use with Linux-based AWS and on-premises servers?
A. Amazon S3
B. Amazon Glacier
C. Amazon EBS
D. Amazon EFS
Correct Answer: D
Amazon Elastic File System (Amazon EFS) provides a simple, scalable, fully managed elastic NFS file system for use with AWS Cloud services and on-premises resources. It is built to scale on demand to petabytes without disrupting applications, growing and shrinking automatically as you add and remove files, eliminating the need to provision and manage capacity to accommodate growth.
Amazon EFS is designed to provide the throughput, IOPS, and low latency needed for Linux workloads. Throughput and IOPS scale as a file system grows and can burst to higher throughput levels for short periods of time to support the unpredictable performance needs of file workloads. For the most demanding workloads, Amazon EFS can support performance over 10 GB/sec and up to 500,000 IOPS.
Question 4:
A company is building a serverless architecture that connects application data from multiple data sources. The company needs a solution that does not require additional code. Which AWS service meets these requirements?
A. AWS Lambda
B. Amazon Simple Queue Service (Amazon SQS)
C. Amazon CloudWatch
D. Amazon EventBridge
Correct Answer: D
Based on the given requirements, the AWS service that would best meet the company\’s needs is Amazon EventBridge (Option D).
Amazon EventBridge is a serverless event bus that makes it easy to connect applications together using data from various sources. It simplifies the task of building event-driven architectures by enabling different services to communicate with each other without requiring any additional code.
Question 5:
According to the AWS Well-Architected Framework, what change management steps should be taken to achieve reliability in the AWS Cloud? (Choose two.)
A. Use AWS Config to generate an inventory of AWS resources
B. Use service limits to prevent users from creating or making changes to AWS resources
C. Use AWS CloudTrail to record AWS API calls into an auditable log file
D. Use AWS Certificate Manager to whitelist approved AWS resources and services
E. Use Amazon GuardDuty to validate configuration changes made to AWS resources
Correct Answer: DE
Question 6:
A developer has a stateful web server on-premises that is being migrated to AWS. The developer must have greater elasticity in the new design.
How should the developer re-factor the application to make it more elastic? (Select TWO.)
A. Use pessimistic concurrency on Amazon DynamoDB
B. Use Amazon CloudFront with an Auto Scaling group.
C. Use Amazon CloudFront with an AWS Web Application Firewall
D. Store session state data m an Amazon DynamoDB table.
E. Use an ELB with an Auto Scaling group
Correct Answer: DE
Question 7:
Which AWS service provides threat detection by monitoring for malicious activities and unauthorized actions to protect AWS accounts, workloads, and data that is stored in Amazon S3?
A. AWS Shield
B. AWS Firewall Manager
C. Amazon GuardDuty
D. Amazon Inspector
Correct Answer: C
Question 8:
A company wants to design a reliable web application that is hosted on Amazon EC2. Which approach will achieve this goal?
A. Launch large EC2 instances in the same Availability Zone
B. Spread EC2 instances across more than one security group
C. Spread EC2 instances across more than one Availability Zone.
D. Use an Amazon Machine Image (AMI) from AWS Marketplace.
Correct Answer: C
This mentions reliability, which is part of the AWS Well architected framework. Which means been able to automatically recover from failures, therefor, we need more availability zones.
Question 9:
How can an AWS user with an AWS Basic Support plan obtain technical assistance from AWS?
A. AWS Senior Support Engineers
B. AWS Technical Account Managers
C. AWS Trusted Advisor
D. AWS Discussion Forums
Correct Answer: C
Question 10:
Which of the following promotes AWS Cloud architectural best practices for designing and operating reliable, secure, efficient, and cost-effective systems?
A. AWS Serverless Application Model framework
B. AWS Business Support
C. Principle of least privilege
D. AWS Well Architected Framework
Correct Answer: D
Question 11:
A company needs to maximize its ability to adapt to changing business needs without overcommitting its budget. Which strategy should the company implement to meet these requirements?
A. Optimize operations
B. Use Savings Plans
C. Use pay-as-you-go pricing
D. Pay less by using more
Correct Answer: C
Question 12:
A company must store call recordings for 6 years. The storage system should be highly durable and cost- effective.
Which AWS service meets these requirements?
A. AWS Snowball
B. Amazon S3
C. AWS Storage Gateway
D. Amazon Kinesis
Correct Answer: B
Question 13:
What is an advantage of deploying an application across multiple Availability Zones?
A. There is a lower risk of service failure if a natural disaster causes a service disruption in a given AWS Region.
B. The application will have higher availability because it can withstand a service disruption in one Availability Zone.
C. There will be better coverage as Availability Zones are geographically distant and can serve a wider area.
D. There will be decreased application latency that will improve the user experience.
Correct Answer: B
Reference: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html
Question 14:
Which AWS service is deployed to VPCs and provides protection from common network threats?
A. AWS Shield
B. AWS WAF
C. AWS Network Firewall
D. AWS Firewall Manager
Correct Answer: C
Question 15:
Which solution provides the FASTEST application response times to frequently accessed data to users in multiple AWS Regions?
A. AWS CloudTrail across multiple Availability Zones
B. Amazon CloudFront to edge locations
C. AWS CloudFormation in multiple regions
D. A virtual private gateway over AWS Direct Connect
Correct Answer: B
You can deliver content and decrease end-user latency of your web application using Amazon CloudFront. CloudFront speeds up content delivery by leveraging its global network of data centers, known as edge locations, to reduce delivery time by caching your content close to your end users. CloudFront fetches your content from an origin, such as an Amazon S3 bucket, an Amazon EC2 instance, an Amazon Elastic Load Balancing load balancer or your own web server, when it\’s not already in an edge location. CloudFront can be used to deliver your entire website or application, including dynamic, static, streaming, and interactive content.
Reference: https://aws.amazon.com/getting-started/tutorials/deliver-content-faster/