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Free Amazon SAA-C03 Demo Questions Answers

Free Simple Question: 1

A company is designing a cloud communications platform that is driven by APIs. The application is hosted on Amazon EC2 instances behind a Network Load Balancer (NLB). The company uses Amazon API Gateway to provide external users with access to the application through APIs. The company wants to protect the platform against web exploits like SQL injection and also wants to detect and mitigate large, sophisticated DDoS attacks.

Which combination of solutions provides the MOST protection? (Select TWO.)

A. Use AWS WAF to protect the NLB.
B. Use AWS Shield Advanced with the NLB.
C. Use AWS WAF to protect Amazon API Gateway.
D. Use Amazon GuardDuty with AWS Shield Standard.
E. Use AWS Shield Standard with Amazon API Gateway.

Answer: B,C

Explanation:

AWS Shield Advanced provides expanded DDoS attack protection for your Amazon EC2 instances, Elastic Load Balancing load balancers, CloudFront distributions, Route 53 hosted zones, and AWS Global Accelerator standard accelerators.
AWS WAF is a web application firewall that lets you monitor the HTTP and HTTPS requests that are forwarded to your protected web application resources. You can protect the following resource types:

• Amazon CloudFront distribution
• Amazon API Gateway REST API
• Application Load Balancer
• AWS AppSync GraphQL API
• Amazon Cognito user pool

https://docs.aws.amazon.com/waf/latest/developerguide/what-is-aws-waf.html

Free Simple Question: 2

A solutions architect is designing a two-tiered architecture that includes a public subnet and a database subnet. The web servers in the public subnet must be open to the internet on port 443. The Amazon RDS for MySQL D6 instance in the database subnet must be accessible only to the web servers on port 3306.

Which combination of steps should the solutions architect take to meet these requirements? (Select TWO.)

A. Create a network ACL for the public subnet Add a rule to deny outbound traffic to 0 0 0 0/0 on port 3306
B. Create a security group for the DB instance Add a rule to allow traffic from the public subnet CIDR block on port 3306
C. Create a security group for the web servers in the public subnet Add a rule to allow traffic from 0 0 0 O'O on port 443
D. Create a security group for the DB instance Add a rule to allow traffic from the web servers' security group on port 3306
E. Create a security group for the DB instance Add a rule to deny all traffic except traffic from the web servers' security group on port 3306

Answer: B,C

Free Simple Question: 3

A company recently created a disaster recovery site in a Different AWS Region.The company needs to transfer large amounts of data back and forth between NFS file systems in the two Regions on a periods.

Which solution will meet these requirements with the LEAST operational overhead?

A. Use AWS DataSync.
B. Use AWS Snowball devices
C. Set up an SFTP server on Amazon EC2
D. Use AWS Database Migration Service (AWS DMS)

Answer: A

Free Simple Question: 4

A company has a three-tier application for image sharing. The application uses an Amazon EC2 instance for the front-end layer, another EC2 instance for the application layer, and a third EC2 instance for a MySQL database. A solutions architect must design a scalable and highly available solution that requires the least amount of change to the application.

Which solution meets these requirements?

A. Use Amazon S3 to host the front-end layer. Use AWS Lambda functions for the application layer. Move the database to an Amazon DynamoDB table. Use Amazon S3 to store and serve users’ images.
B. Use load-balanced Multi-AZ AWS Elastic Beanstalk environments for the front-end layer and the application layer. Move the database to an Amazon RDS DB instance with multiple read replicas to serve users’ images.
C. Use Amazon S3 to host the front-end layer. Use a fleet of EC2 instances in an Auto Scaling group for the application 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 layer and the application layer. Move the database to an Amazon RDS Multi-AZ DB instance. Use Amazon S3 to store and serve users’ images.

Answer: D

Explanation:

for "Highly available": Multi-AZ & for "least amount of changes to the application": Elastic Beanstalk automatically handles the deployment, from capacity provisioning, load balancing, auto-scaling to application health monitoring

Free Simple Question: 5

An image-hosting company stores its objects in Amazon S3 buckets. The company wants to avoid accidental exposure of the objects in the S3 buckets to the public. All S3 objects in the entire AWS account need to remain private

Which solution will meal these requirements?

A. Use Amazon GuardDuty to monitor S3 bucket policies Create an automatic remediation action rule that uses an AWS Lambda function to remediate any change that makes the objects public
B. Use AWS Trusted Advisor to find publicly accessible S3 Dockets Configure email notifications In Trusted Advisor when a change is detected manually change the S3 bucket policy if it allows public access
C. Use AWS Resource Access Manager to find publicly accessible S3 buckets Use Amazon Simple Notification Service (Amazon SNS) to invoke an AWS Lambda function when a change it detected. Deploy a Lambda function that programmatically remediates the change.
D. Use the S3 Block Public Access feature on the account level. Use AWS Organizations to create a service control policy (SCP) that prevents IAM users from changing the setting Apply tie SCP to tie account

Answer: D

Free Simple Question: 6

A company wants to create an application to store employee data in a hierarchical structured relationship. The company needs a minimum-latency response to high-traffic queries for the employee data and must protect any sensitive data. The company also need to receive monthly email messages if any financial information is present in the employee data.

Which combination of steps should a solutin architect take to meet these requirement? ( Select TWO.)

A. Use Amazon Redshift to store the employee data in hierarchies. Unload the data to Amazon S3 every month.
B. Use Amazon DynamoDB to store the employee data in hierarchies Export the data to Amazon S3 every month.
C. Configure Amazon Macie for the AWS account Integrate Macie with Amazon EventBridge to send monthly events to AWS Lambda.
D. Use Amazon Athena to analyze the employee data in Amazon S3 integrate Athena with Amazon QuickSight to publish analysis dashboards and share the dashboards with users.
E. Configure Amazon Macie for the AWS account. integrate Macie with Amazon EventBridge to send monthly notifications through an Amazon Simple Notification Service (Amazon SNS) subscription.

Answer: B,E

Free Simple Question: 7

A company is building a new web-based customer relationship management application. The application will use several Amazon EC2 instances that are backed by Amazon Elastic Block Store (Amazon EBS) volumes behind an Application Load Balancer (ALB). The application will also use an Amazon Aurora database. All data for the application must be encrypted at rest and in transit.

Which solution will meet these requirements?

A. Use AWS Key Management Service (AWS KMS) certificates on the ALB to encrypt data in transit. Use AWS Certificate Manager (ACM) to encrypt the EBS volumes and Aurora database storage at rest.
B. Use the AWS root account to log in to the AWS Management Console. Upload the company’s encryption certificates. While in the root account, select the option to turn on encryption for all data at rest and in transit for the account.
C. Use a AWS Key Management Service (AWS KMS) to encrypt the EBS volumes and Aurora database storage at rest. Attach an AWS Certificate Manager (ACM) certificate to the ALB to encrypt data in transit.
D. Use BitLocker to encrypt all data at rest. Import the company’s TLS certificate keys to AWS key Management Service (AWS KMS). Attach the KMS keys to the ALB to encrypt data in transit.

Answer: C

Free Simple Question: 8

An online retail company has more than 50 million active customers and receives more than 25,000 orders each day. The company collects purchase data for customers and stores this data in Amazon S3. Additional customer data is stored in Amazon RDS.

The company wants to make all the data available to various teams so that the teams can perform analytics. The solution must provide the ability to manage fine-grained permissions for the data and must minimize operational overhead.

Which solution will meet these requirements?

A. Migrate the purchase data to write directly to Amazon RDS. Use RDS access controls to limit access.
B. Schedule an AWS Lambda function to periodically copy data from Amazon RDS to Amazon S3. Create an AWS Glue crawler. Use Amazon Athena to query the data. Use S3 policies to limit access.
C. Create a data lake by using AWS Lake Formation. Create an AWS Glue JDBC connection to Amazon RDS. Register the S3 bucket in Lake Formation. Use Lake Formation access controls to limit access.
D. Create an Amazon Redshift cluster. Schedule an AWS Lambda function to periodically copy data from Amazon S3 and Amazon RDS to Amazon Redshift. Use Amazon Redshift access controls to limit access.

Answer: C

Explanation:

https://aws.amazon.com/blogs/big-data/manage-fine-grained-access-controlusing-aws-lake-formation/

Free Simple Question: 9

A company has a multi-tier application deployed on several Amazon EC2 instances in an Auto Scaling group. An Amazon RDS for Oracle instance is the application’s data layer that uses Oracle-specific

PL/SQL functions. Traffic to the application has been steadily increasing. This is causing the EC2 instances to become overloaded and the RDS instance to run out of storage. The Auto Scaling group does not have any scaling metrics and defines the minimum healthy instance count only. The company predicts that traffic will continue to increase at a steady but unpredictable rate before levelling off.

What should a solutions architect do to ensure the system can automatically scale for the increased traffic? (Select TWO.)

A. Configure storage Auto Scaling on the RDS for Oracle Instance.
B. Migrate the database to Amazon Aurora to use Auto Scaling storage.
C. Configure an alarm on the RDS for Oracle Instance for low free storage space
D. Configure the Auto Scaling group to use the average CPU as the scaling metric
E. Configure the Auto Scaling group to use the average free memory as the seeing metric

Answer: A,C

Free Simple Question: 10

A research laboratory needs to process approximately 8 TB of data The laboratory requires sub-millisecond latencies and a minimum throughput of 6 GBps for the storage subsystem Hundreds of Amazon EC2 instances that run Amazon Linux will distribute and process the data

Which solution will meet the performance requirements?

A. Create an Amazon FSx for NetApp ONTAP file system Set each volume's tiering policy to ALL Import the raw data into the file system Mount the file system on the EC2 instances
B. Create an Amazon S3 bucket to stofe the raw data Create an Amazon FSx for Lustre file system that uses persistent SSD storage Select the option to import data from and export data to Amazon S3 Mount the file system on the EC2 instances
C. Create an Amazon S3 bucket to store the raw data Create an Amazon FSx for Lustre file system that uses persistent HDD storage Select the option to import data from and export data to Amazon S3 Mount the file system on the EC2 instances
D. Create an Amazon FSx for NetApp ONTAP file system Set each volume's tienng policy to NONE. Import the raw data into the file system Mount the file system on the EC2 instances

Answer: B

Explanation:

Create an Amazon S3 bucket to store the raw data Create an Amazon FSx for Lustre file system that uses persistent SSD storage Select the option to import data from and export data to Amazon S3 Mount the file system on the EC2 instances. Amazon FSx for Lustre uses SSD storage for sub-millisecond latencies and up to 6 GBps throughput, and can import data from and export data to Amazon S3. Additionally, the option to select persistent SSD storage will ensure that the data is stored on the disk and not lost if the file system is stopped.