1. A company's production application runs online transaction processing (OLTP) transactions on an Amazon RDS MySQL DB instance. The company is launching a new reporting tool that will access the same data. The reporting tool must be highly available and not impact the performance of the production application.How can this be achieved?

A) Create multiple RDS Read Replicas of the production RDS DB instance. Place the Read Replicas in an Auto Scaling group
B) Create hourly snapshots of the production RDS DB instance
C) Create a Single-AZ RDS Read Replica of the production RDS DB instance. Create a second Single-AZ RDS Read Replica from the replica.
D) Create a Multi-AZ RDS Read Replica of the production RDS DB instance



2. A company is planning to deploy an Amazon RDS DB instance running Amazon Aurora. The company has a backup retention policy requirement of 90 days.Which solution should a solutions architect recommend?

A) Set the backup retention period to 90 days when creating the RDS DB instance
B) Configure RDS to copy automated snapshots to a user-managed Amazon S3 bucket with a lifecycle policy set to delete after 90 days
C) Create an AWS Backup plan to perform a daily snapshot of the RDS database with the retention set to 90 days. Create an AWS Backup job to schedule the execution of the backup pland.
D) Use a daily scheduled event with Amazon CloudWatch Event to execute a custom AWS Lambda function that makes a copy of the RDS automated snapshot. Purge snapshots older than



3. 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? Select two(Select 2answers)

A) Amazon EC2
B) Amazon Kinesis Data Streams
C) Amazon Kinesis Data Firehose
D) Amazon Kinesis Data Analytics
E) Amazon Lambda


4. 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 queries using simple key-value requests.Which combination of AWS services would meet these requirements? Select two(Select 2answers)

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


5. A company wants to use an AWS Region as a disaster recovery location for its on-premises infrastructure. The company has 10 TB of existing data, and the on-premises data center has a 1 Gbps internet connection. A solutions architect must find a solution so the company can have its existing data on AWS in 72 hours without transmitting it using an unencrypted channel. Which solution should the solutions architect select?

A) Establish a VPN connection between Amazon VPC and the company's data center.
B) Send the initial 10 TB of data to AWS using AWS Snowball.
C) Send the initial 10 TB of data to AWS using FTP
D) Establish an AWS Direct Connect connection between Amazon VPC and the company's data center.