The Secret Of Amazon-Web-Services SAA-C02 Exam Question

NEW QUESTION 1
A solutions architect is designing a high performance computing (HPC) workload on Amazon EC2 The EC2 instances need to communicate to each other frequently and require network performance with low latency and high throughput
Which EC2 configuration meets these requirements'?

• A. Launch the EC2 instances in a cluster placement group in one Availability Zone
• B. Launch the EC2 instances in a spread placement group in one Availability Zone
• C. Launch the EC2 instances in an Auto Scaling group in two Regions and peer the VPCs
• D. Launch the EC2 instances in an Auto Scaling group spanning multiple Availability Zones

Answer: A

NEW QUESTION 2
A company's application runs on Amazon EC2 instances behind an Application Load Balancer (ALB) The instances run in an Amazon EC2 Auto Scaling group across multiple Availability Zones On the first day of every month at midnight the application becomes much slower when the month-end financial calculation batch executes This causes the CPU utilization of the EC2 instances to immediately peak to 100%. which disrupts the application
What should a solutions architect recommend to ensure the application is able to handle the workload and avoid downtime?

• A. Configure an Amazon CloudFront distribution in front of the ALB
• B. Configure an EC2 Auto Scaling simple scaling policy based on CPU utilization
• C. Configure an EC2 Auto Scaling scheduled scaling policy based on the monthly schedule.
• D. Configure Amazon ElastiCache to remove some of the workload from the EC2 instances

Answer: C

NEW QUESTION 3
A company’s website is using an Amazon RDS MySQL Multi-AZ DB instance for its transactional data storage.
There are other internal systems that query this DB instance to fetch data for internal batch processing. The RDS DB instance slows down significantly the internal systems fetch data. This impacts the website’s read and write performance, and the users experience slow response times.
Which solution will improve the website's performance?

• A. Use an RDS PostgreSQL DB instance instead of a MySQL database.
• B. Use Amazon ElastiCache to cache the query responses for the website.
• C. Add an additional Availability Zone to the current RDS MySQL Multi.AZ DB instance.
• D. Add a read replica to the RDS DB instance and configure the internal systems to query the read replica.

Answer: D

NEW QUESTION 4
A manufacturing company wants to implement predictive maintenance on its machinery equipment The company will install thousands of loT sensors that will send data to AWS in real time A solutions architect is tasked with implementing a solution that will receive events in an ordered manner for each machinery asset and ensure that data is saved for further processing at a later time
Which solution would be MOST efficient?

• A. Use Amazon Kinesis Data Streams for real-time events with a partition for each equipment asset Use Amazon Kinesis Data Firehose to save data to Amazon S3
• B. Use Amazon Kinesis Data Streams for real-time events with a shard for each equipment asset Use Amazon Kinesis Data Firehose to save data to Amazon EBS
• C. Use an Amazon SQS FIFO queue for real-time events with one queue for each equipment asset Trigger an AWS Lambda function for the SQS queue to save data to Amazon EFS
• D. Use an Amazon SQS standard queue for real-time events with one queue for each equipment asset Trigger an AWS Lambda function from the SQS queue to save data to Amazon S3

Answer: A

NEW QUESTION 5
A start-up company has a web application based in the us-east-1 Region with multiple Amazon EC2 instances running behind an Application Load Balancer across multiple Availability Zones. As the company’s user base grows in the us-west-1 Region, it needs a solution with low latency and high availability.
What should a solutions architect do to accomplish this?

• A. Provision EC2 instances in us-west-1. Switch the Application Load Balancer to a Network Load Balancer to achieve cross-Region load balancing.
• B. Provision EC2 instances and an Application Load Balancer in us-west-1. Make the load balancer distribute the traffic based on the location of the request.
• C. Provision EC2 instances and configure an Application Load Balancer in us-west-1. Create an accelerator in AWS Global Accelerator that uses an endpoint group that includes the load balancer endpoints in both Regions.
• D. Provision EC2 instances and configure an Application Load Balancer in us-west-1. Configure Amazon Route 53 with a weighted routing polic
• E. Create alias records in Route 53 that point to the Application Load Balancer.

Answer: B

NEW QUESTION 6
A company's website is used to sell products to the public The site runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) There is also an Amazon CloudFront distribution and AWS WAF is being used to protect against SQL injection attacks The ALB is the origin for the CloudFront distribution A recent review of security logs revealed an external malicious IP that needs to be blocked from accessing the website
What should a solutions architect do to protect the application"?

• A. Modify the network ACL on the CloudFront distribution to add a deny rule for the malicious IP address
• B. Modify the configuration of AWS WAF to add an IP match condition to block the malicious IP address
• C. Modify the network ACL for the EC2 instances in the target groups behind the ALB to deny the malicious IP address
• D. Modify the security groups for the EC2 instances in the target groups behind the ALB to deny the malicious IP address

Answer: B

NEW QUESTION 7
A company has a legacy application that processes data in two parts The second part of the process takes longer than the first, so the company has decided to rewrite the application as two microservices running on Amazon ECS that can scale independently.
How should a solutions architect integrate the microservices?

• A. Implement code in microservice 1 to send data to an Amazon S3 bucke
• B. Use S3 event notifications to invoke microservice 2.
• C. Implement code in microservice 1 to publish data to an Amazon SNS topic Implement code in microservice 2 to subscribe to this topic
• D. Implement code in microservice 1 to send data to Amazon Kinesis Data Firehos
• E. Implement code in microservice 2 to read from Kinesis Data Firehose.
• F. Implement code in microservice 1 to send data to an Amazon SQS queue Implement code in microservice 2 to process messages from the queue

Answer: C

NEW QUESTION 8
A solutions architect is designing a solution where users will De directed to a backup static error page it the primary website is unavailable The primary website's DNS records are hosted in Amazon Route 53 where their domain is pointing to an Application Load Balancer (ALB)
Which configuration should the solutions architect use to meet the company's needs while minimizing changes and infrastructure overhead?

• A. Point a Route 53 alias record to an Amazon CloudFront distribution with the ALB as one of its origins Then, create custom error pages for the distribution
• B. Set up a Route 53 active-passive failover configuration Direct traffic to a static error page hosted within an Amazon S3 bucket when Route 53 health checks determine that the ALB endpoint is unhealthy
• C. Update the Route 53 record to use a latency-based routing policy Add the backup static error page hosted within an Amazon S3 bucket to the record so the traffic is sent to the most responsive endpoints
• D. Set up a Route 53 active-active configuration with the ALB and an Amazon EC2 instance hosting a static error page as endpoints Route 53 will only send requests to the instance if the health checks fail for the ALB

Answer: B

NEW QUESTION 9
A solutions architect needs to design a managed storage solution for a company's application that includes high-performance machine learning This application runs on AWS Fargate and the connected storage needs to have concurrent access to files and deliver high performance.
Which storage option should the solutions architect recommend?

• A. Create an Amazon S3 bucket for the application and establish an 1AM role for Fargate to communicate with Amazon S3
• B. Create an Amazon FSx for Lustre file share and establish an 1AM role that allows Fargate to communicate with FSx for Lustre.
• C. Create an Amazon Elastic File System (Amazon EFS) file share and establish an 1AM role that allows Fargate to communicate with Amazon EFS.
• D. Create an Amazon Elastic Block Store (Amazon EBS) volume for the application and establish an 1AM role that allows Fargate to communicate with Amazon EBS

Answer: B

NEW QUESTION 10
A company's application is running on Amazon EC2 instances within an Auto Scaling group behind an Elastic Load Balancer Based on the application's history, the company anticipates a spike in traffic during a holiday each year A solutions architect must design a strategy to ensure that the Auto Scaling group proactively increases capacity to minimize any performance impact on application users
Which solution will meet these requirements?

• A. Create an Amazon CloudWatch alarm to scale up the EC2 instances when CPU utilization exceeds 90%
• B. Create a recurring scheduled action to scale up the Auto Scaling group before the expected period of peak demand
• C. Increase the minimum and maximum number of EC2 instances in the Auto Scaling group during the peak demand period
• D. Configure an Amazon Simple Notification Service (Amazon SNS) notification to send alerts when there are auto scaling EC2_INSTANCE_LAUNCH events

Answer: B

NEW QUESTION 11
A company has on-premises servers running a relational database The current database serves high read traffic for users in different locations The company wants to migrate to AWS with the least amount of effort The database solution should support disaster recovery and not affect the company's current traffic flow.
Which solution meets these requirements?

• A. Use a database in Amazon RDS with Multi-AZ and at least one read replica
• B. Use a database in Amazon RDS with Multi-AZ and at least one standby replica
• C. Use databases hosted on multiple Amazon EC2 instances in different AWS Regions
• D. Use databases hosted on Amazon EC2 instances behind an Application Load Balancer in different Availability Zones

Answer: A

NEW QUESTION 12
A company captures clickstream data from multiple websites and analyzes it using batch processing. The data is loaded nightly into Amazon Redshift and is consumed by business analysts. The company wants to move towards near-real-time data processing for timely insights. The solution should process the streaming data with minimal effort and operational overhead.
Which combination of AWS services are MOST cost-effective for this solution? (Choose two.)

• A. Amazon EC2
• B. AWS Lambda
• C. Amazon Kinesis Data Streams
• D. Amazon Kinesis Data Firehose
• E. Amazon Kinesis Data Analytics

Answer: AD

NEW QUESTION 13
A company has been storing analytics data in an Amazon RDS instance for the past few years. The company asked a solutions architect to find a solution that allows users to access this data using an API The expectation is that the application will experience periods of inactivity but could receive bursts of traffic within seconds
Which solution should the solutions architect suggest?

• A. Set up an Amazon API Gateway and use Amazon ECS.
• B. Set up an Amazon API Gateway and use AWS Elastic Beanstalk.
• C. Set up an Amazon API Gateway and use AWS Lambda functions
• D. Set up an Amazon API Gateway and use Amazon EC2 with Auto Scaling

Answer: C

NEW QUESTION 14
A company is managing health records on-premises The company must keep these records indefinitely, disable any modifications to the records once they are stored, and granularly audit access at all levels. The chief technology officer (CTO) is concerned because there are already millions of records not being used by any application, and the current infrastructure is running out of space The CTO has requested a solutions architect design a solution to move existing data and support future records
Which services can the solutions architect recommend to meet these requirements'?

• A. Use AWS DataSync to move existing data to AW
• B. Use Amazon S3 to store existing and new data Enable Amazon S3 object lock and enable AWS CloudTrail with data events.
• C. Use AWS Storage Gateway to move existing data to AWS Use Amazon S3 to store existing and new data Enable Amazon S3 object lock and enable AWS CloudTrail with management events.
• D. Use AWS DataSync to move existing data to AWS Use Amazon S3 to store existing and new data Enable Amazon S3 object lock and enable AWS CloudTrail with management events.
• E. Use AWS Storage Gateway to move existing data to AWS Use Amazon Elastic Block Store (Amazon EBS) to store existing and new data Enable Amazon S3 object lock and enable Amazon S3 server access logging

Answer: B

NEW QUESTION 15
A solutions architect is designing an application for a two-step order process The first step is synchronous and must return to the user with little latency The second step takes longer, so it will be implemented in a separate component Orders must be processed exactly once and in the order in which they are received
How should the solutions architect integrate these components?

• A. Use Amazon SQS FIFO queues.
• B. Use an AWS Lambda function along with Amazon SQS standard queues
• C. Create an SNS topic and subscribe an Amazon SQS FIFO queue to that topic
• D. Create an SNS topic and subscribe an Amazon SQS Standard queue to that topic.

Answer: C

NEW QUESTION 16
A solutions architect is designing a new service behind Amazon API Gateway The request patterns for the service will be unpredictable and can change suddenly from 0 requests to over 500 per second The total size of the data that needs to be persisted in a backend database is currently less than 1 GB with unpredictable future growth Data can be queried using simple key-value requests
Which combination of AWS services would meet these requirements'? (Select TWO )

• A. AWS Fargate
• B. AWS Lambda
• C. Amazon DynamoDB
• D. Amazon EC2 Auto Scaling
• E. MySQL-compatible Amazon Aurora

Answer: BC

NEW QUESTION 17
static website within an Amazon S3 bucket A solutions architect needs t Which action will accomplish this?

• A. Enable Amazon S3 versioning
• B. Enable Amazon S3 Intelligent-Tiering.
• C. Enable an Amazon S3 lifecycle policy
• D. Enable Amazon S3 cross-Region replication.

Answer: A

NEW QUESTION 18
A company currently operates a web application backed by an Amazon RDS MySQL database It has automated backups that are run daily and are not encrypted A security audit requires future backups to be encrypted and the unencrypted backups to be destroyed The company will make at least one encrypted backup before destroying the old backups
What should be done to enable encryption for future backups''

• A. Enable default encryption for the Amazon S3 bucket where backups are stored
• B. Modify the backup section of the database configuration to toggle the Enable encryption check box
• C. Create a snapshot of the database Copy it to an encrypted snapshot Restore the database from the encrypted snapshot
• D. Enable an encrypted read replica on RDS for MySQL Promote the encrypted read replica to primary Remove the original database instance

Answer: C

NEW QUESTION 19
A company has a three-tier image-sharing application it uses an Amazon EC2 instance for the front-end layer, another for the backend tier, and a third for the MySQL database A solutions architect has been tasked with designing a solution that is highly available, and requires the least amount of changes to the application
Which solution meets these requirements'?

• A. Use Amazon S3 to host the front-end layer and AWS Lambda functions for the backend layer Move the database to an Amazon DynamoDB table and use Amazon S3 to store and serve users' images
• B. Use load-balanced Multi-AZ AWS Elastic Beanstalk environments for the front-end and backend layersMove the database to an Amazon RDS instance with multiple read replicas to store and serve users' images.
• C. Use Amazon S3 to host the front-end layer and a fleet of Amazon EC2 instances in an Auto Scaling group for the backend layer Move the database to a memory optimized instance type to store and serve users' images
• D. Use load-balanced Multi-AZ AWS Elastic Beanstalk environments for the front-end and backend layers Move the database to an Amazon RDS instance with a Multi-AZ deployment Use Amazon S3 to store and serve users' images

Answer: D

NEW QUESTION 20
A company runs a multi-tier web application that hosts news content The application runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an EC2 Auto Scaling group across multiple Availability Zones and use an Amazon Aurora database. A solutions architect needs to make the application more resilient to periodic increases in request rates
Which architecture should the solutions architect implement? (Select TWO )

• A. Add AWS Shield.
• B. Add Aurora Replicas
• C. Add AWS Direct Connect
• D. Add AWS Global Accelerator.
• E. Add an Amazon CloudFront distribution in front of the Application Load Balancer

Answer: DE

NEW QUESTION 21
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