Question 1

A company is running its main web service in a fleet of Amazon EC2 instances in the us-east-1 AWS Region. The EC2 instances are launched by an Auto Scaling group behind an Application Load Balancer (ALB). The EC2 instances are spread across multiple Availability Zones. The MySQL database is hosted on an Amazon EC2 instance in a private subnet. To improve the resiliency of the web service in case of a disaster, the Solutions Architect must design a data recovery strategy in another region using the available AWS services to lessen the operational overhead. The target RPO is less than a minute and the target RTO is less than 5 minutes. The Solutions Architect has started to provision the ALB and the Auto Scaling group on the us-west-2 region.

Which of the following steps should be implemented next to achieve the above requirements?

Options :

A : Migrate the database from the Amazon EC2 instance to an Amazon RDS for MySQL instance. Set the us-east-1 region database as the master and configure a cross-Region read replica to the us-west-2 region. Configure Amazon Route 53 DNS entry with health checks and failover routing policy to the us-west-2 region.

B : Migrate the database from the Amazon EC2 instance to an Amazon RDS for MySQL instance. Enable Multi-AZ deployment for this database. Configure Amazon Route 53 DNS entry with failover routing policy to the us-west-2 region.

C : Create a snapshot of the current Amazon EC2 database instance and restore the snapshot to the us-west-2 region. Configure the new EC2 instance as MySQL standby database of the us-east-1 instance. Configure Amazon Route 53 DNS entry with failover routing policy to the us-west-2 region.

D : Migrate the database from the Amazon EC2 instance to an Amazon Aurora global database. Set the us-east-1 region as the primary database and the us-west-2 region as the secondary database. Configure Amazon Route 53 DNS entry with health checks and failover routing policy to the us-west-2 region.

Answer: D

Question 2

A data analytics company has recently adopted a hybrid cloud infrastructure with AWS. They are in the business of collecting and processing vast amounts of data. Each data set generates up to several thousands of files which can range from 10 MB to 1 GB in size. The archived data is rarely restored and in case there is a request to retrieve it, the company has a maximum of 24 hours to send the files. The data sets can be searched using its file ID, set name, authors, tags, and other criteria.

Which of the following options provides the most cost-effective architecture to meet the above requirements?

Options :

A :

1. Store individual files in Glacier using the filename as the archive name.

2. For retrieving the data, query the Glacier vault for files matching the search criteria.

B :

1. Store individual compressed files to an S3 bucket. Also store the search metadata and the S3 object key of the files in a separate S3 bucket.

2. Create a lifecycle rule to move the data from an S3 Standard class to Glacier after a certain a month.

3. For retrieving the data, query the S3 bucket for files matching the search criteria and then retrieve the file from the other S3 bucket.

C :

1. For each completed data set, compress and concatenate all of the files into a single Glacier archive.

2. Store the associated archive ID for the compressed files along with other search metadata in a DynamoDB table.

3. For retrieving the data, query the DynamoDB table for files that match the search criteria and then restore the files from the retrieved archive ID.

D :

1. Store the files of the completed data sets into a single S3 bucket.

2. Store the S3 object key for the compressed files along with other search metadata in a DynamoDB table.

3. For retrieving the data, query the DynamoDB table for files that match the search criteria and then restore the files from the S3 bucket.

Answer: C

Question 3

A solutions architect is planning to migrate critical Microsoft SOL Server databases to AWS. Because the databases are legacy systems, the solutions architect will move the databases to a modern data architecture. The solutions architect must migrate the databases with near-zero downtime. Which solution will meet these requirements?

Options :

A : Use AWS Application Migration Service and the AWS Schema Conversion Tool (AWS SCT). Perform an In-place upgrade before the migration. Export the migrated data to Amazon Aurora Serverless after cutover. Repoint the applications to Amazon Aurora.

B : Use AWS Database Migration Service (AWS DMS) to Rehost the database. Set Amazon S3 as a target. Set up change data capture (CDC) replication. When the source and destination are fully synchronized, load the data from Amazon S3 into an Amazon RDS for Microsoft SQL Server DB Instance.

C : Use native database high availability tools Connect the source system to an Amazon RDS for Microsoft SQL Server DB instance Configure replication accordingly. When data replication is finished, transition the workload to an Amazon RDS for Microsoft SQL Server DB instance.

D : Use AWS Application Migration Service. Rehost the database server on Amazon EC2. When data replication is finished, detach the database and move the database to an Amazon RDS for Microsoft SQL Server DB instance. Reattach the database and then cut over all networking.

Answer: B

Question 4

A company is running a web application on Amazon EC2 instances in a production AWS account. The

company requires all logs generated from the web application to be copied to a central AWS account (or

analysis and archiving. The company's AWS accounts are currently managed independently. Logging agents

are configured on the EC2 instances to upload the tog files to an Amazon S3 bucket in the central AWS

account.

A solutions architect needs to provide access for a solution that will allow the production account to store log

files in the central account. The central account also needs to have read access to the tog files.

What should the solutions architect do to meet these requirements?

Options :

A :

Create a cross-account role in the central account. Assume the role from the production account when

the logs are being copied.

B :

Create a policy on the S3 bucket with the production account ID as the principal. Allow S3 access from

a delegated user

C :

Create a policy on the S3 bucket with access from only the CIDR range of the EC2 instances in the

production account. Use the production account ID as the principal.

D :

Create a cross-account role in the production account. Assume the role from the production account

when the logs are being copied

Answer: B

Question 5

A company is using an organization in AWS organization to manage AWS accounts. For each new project the

company creates a new linked account. After the creation of a new account, the root user signs in to the new

account and creates a service request to increase the service quota for Amazon EC2 instances. A solutions

architect needs to automate this process.

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

Options :

A : Create an Amazon EventBridge rule to detect creation of a new account Send the event to an Amazon Simple Notification Service (Amazon SNS) topic that invokes an AWS Lambda function. Configure the Lambda function to run the request-service-quota-increase command to request a service quota increase for EC2 instances.

B : Create a Service Quotas request template in the management account. Configure the desired service quota increases for EC2 instances.

C : Create an AWS Config rule in the management account to set the service quota for EC2 instances.

D : Create an Amazon EventBridge rule to detect creation of a new account. Send the event to an Amazon simple Notification service (Amazon SNS) topic that involves an AWS Lambda function. Configure the Lambda function to run the create-case command to request a service quota increase for EC2 instances.

Answer: A

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