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Valid Exam SAA-C02 Braindumps | SAA-C02 Intereactive Testing Engine

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Amazon SAA-C02 exam is a rigorous test that requires a solid understanding of AWS services and concepts. Candidates must be able to demonstrate their knowledge of AWS infrastructure and services, and show that they can design and deploy effective solutions that meet customer requirements. SAA-C02 Exam consists of multiple-choice questions and case studies, and candidates have 130 minutes to complete the test.

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Amazon AWS Certified Solutions Architect - Associate (SAA-C02) Exam Sample Questions (Q458-Q463):

NEW QUESTION # 458
A three-tier web application processes orders from customers. The web tier consists of Amazon EC2 instances behind an Application Load Balancer, a middle tier of three EC2 instances decoupled from the web tier using Amazon SQS. and an Amazon DynamoDB backend. At peak times, customers who submit orders using the site have to wait much longer than normal to receive confirmations due to lengthy processing times. A solutions architect needs to reduce these processing times.
Which action will be MOST effective in accomplishing this?

A. Use Amazon EC2 Auto Scaling to scale out the middle tier instances based on the SOS queue depth.
B. Add an Amazon CloudFront distribution to cache the responses for the web tier.
C. Replace the SQS queue with Amazon Kinesis Data Firehose.
D. Use Amazon ElastiCache for Redis in front of the DynamoDB backend tier.

Answer: B

NEW QUESTION # 459
During a review of business applications, a Solutions Architect identifies a critical application with a relational database that was built by a business user and is running on the user's desktop. To reduce the risk of a business interruption, the Solutions Architect wants to migrate the application to a highly available, multi-tiered solution in AWS.
What should the Solutions Architect do to accomplish this with the LEAST amount of disruption to the business?

A. Pre-stage new Amazon EC2 instances running the application code on AWS behind an Application Load Balancer and an Amazon RDS Multi-AZ DB instance
B. Create an image of the user's desktop, migrate it to Amazon EC2 using VM Import, and place the EC2 instance in an Auto Scaling group
C. Create an import package of the application code for upload to AWS Lambda, and include a function to create another Lambda function to migrate data into an Amazon RDS database
D. Use AWS DMS to migrate the backend database to an Amazon RDS Multi-AZ DB instance.
Migrate the application code to AWS Elastic Beanstalk

Answer: D

NEW QUESTION # 460
A company has a web server running on an Amazon EC2 instance in a public subnet with an Elastic IP address The default security group is assigned to the EC2 instance. The default network ACL has been modified to block all traffic. A solutions architect needs to make the web server accessible from everywhere on port 443 Which combination of steps will accomplish this task? (Select TWO.)

A. Update the network ACL to allow inbound/outbound TCP port 443 from source 0.0.0.0/0 and to destination 0.0.0.0/0.
B. Create a security group with a rule to allow TCP port 443 to destination 0 0 0 0/0.
C. Create a security group with a rule to allow TCP port 443 from source 0.0.0.0/0.
D. Update the network ACL to allow inbound TCP port 443 from source 0.0.0 0/0 and outbound TCP port 32768-65535 to destination 0 0 0.0/0
E. Update the network ACL to allow TCP port 443 from source 0.0 0 0/0.

Answer: C,D

NEW QUESTION # 461
A company runs an application on a group of Amazon Linux EC2 instances, The application writes log files using standard API calls For compliance reasons, all log files must be retained indefinitely and will be analyzed by a reporting tool that must access all files concurrently.
Which storage service should a solutions architect use to provide the MOST cost-effective solution?

A. Amazon EFS
B. Amazon S3
C. Amazon EBS
D. Amazon EC2 instance store

Answer: B

Explanation:
The application is writing the files using API calls which means it will be compatible with Amazon S3 which uses a REST API. S3 is a massively scalable key-based object store that is well-suited to allowing concurrent access to the files from many instances.
Amazon S3 will also be the most cost-effective choice. A rough calculation using the AWS pricing calculator shows the cost differences between 1TB of storage on EBS, EFS, and S3 Standard.

CORRECT: "Amazon S3" is the correct answer.
INCORRECT: "Amazon EFS" is incorrect as though this does offer concurrent access from many EC2 Linux instances, it is not the most cost-effective solution.
INCORRECT: "Amazon EBS" is incorrect. The Elastic Block Store (EBS) is not a good solution for concurrent access from many EC2 instances and is not the most cost-effective option either.
EBS volumes are mounted to a single instance except when using multi-attach which is a new feature and has several constraints.
INCORRECT: "Amazon EC2 instance store" is incorrect as this is an ephemeral storage solution which means the data is lost when powered down.
Therefore, this is not an option for long-term data storage.
References:
https://docs.aws.amazon.com/AmazonS3/latest/dev/optimizing-performance.html

NEW QUESTION # 462
A company has an API-based inventory reporting application running on Amazon EC2 instances The application stores information in an Amazon DynamoDB table The company's distribution centers have an on-premises shipping application that calls an API to update the inventory before printing shipping labels The company has been experiencing application interruptions several times each day, resulting in lost transactions What should a solutions architect recommend to improve application resiliency?

A. Modify the application APIs to run serverless using AWS Lambda
B. Modify the shipping application to write to a local database
C. Configure Amazon API Gateway to call the EC2 inventory application APIs.
D. Modify the application to send inventory updates using Amazon Simple Queue Service (Amazon SQS)

Answer: B

NEW QUESTION # 463
......

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