Amazon Web Services 2cram all Saa-c03 Test Inside Amazon Web Services Questions by Elspeth q241 vce pdf

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Exam Name:	AWS Certified Solutions Architect - Associate (SAA-C03)
Exam Code:	SAA-C03 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	981 Q&A's	Shared By:	elspeth

Question 132

A company wants to migrate its MySQL database from on premises to AWS. The company recently experienced a database outage that significantly impacted the business. To ensure this does not happen again, the company wants a reliable database solution on AWS that minimizes data loss and stores every transaction on at least two nodes.

Which solution meets these requirements?

Options:

Create an Amazon RDS DB instance with synchronous replication to three nodes in three Availability Zones.

Create an Amazon RDS MySQL DB instance with Multi-AZ functionality enabled to synchronously replicate the data.

Create an Amazon RDS MySQL DB instance and then create a read replica in a separate AWS Region that synchronously replicates the data.

Create an Amazon EC2 instance with a MySQL engine installed that triggers an AWS Lambda function to synchronously replicate the data to an Amazon RDS MySQL DB instance.

Discussion

Question 133

A company owns an asynchronous API that is used to ingest user requests and, based on the request type, dispatch requests to the appropriate microservice for processing. The company is using Amazon API Gateway to deploy the API front end, and an AWS Lambda function that invokes Amazon DynamoDB to store user requests before dispatching them to the processing microservices.

The company provisioned as much DynamoDB throughput as its budget allows, but the company is still experiencing availability issues and is losing user requests.

What should a solutions architect do to address this issue without impacting existing users?

Options:

Add throttling on the API Gateway with server-side throttling limits.

Use DynamoDB Accelerator (DAX) and Lambda to buffer writes to DynamoDB.

Create a secondary index in DynamoDB for the table with the user requests.

Use the Amazon Simple Queue Service (Amazon SQS) queue and Lambda to buffer writes to DynamoDB.

Discussion

Question 134

A solutions architect needs to help a company optimize the cost of running an application on AWS. The application will use Amazon EC2 instances, AWS Fargate, and AWS Lambda for compute within the architecture.

The EC2 instances will run the data ingestion layer of the application. EC2 usage will be sporadic and unpredictable. Workloads that run on EC2 instances can be interrupted at any time. The application front end will run on Fargate, and Lambda will serve the API layer. The front-end utilization and API layer utilization will be predictable over the course of the next year.

Which combination of purchasing options will provide the MOST cost-effective solution for hosting this application? (Choose two.)

Options:

Use Spot Instances for the data ingestion layer

Use On-Demand Instances for the data ingestion layer

Purchase a 1-year Compute Savings Plan for the front end and API layer.

Purchase 1-year All Upfront Reserved instances for the data ingestion layer.

Purchase a 1-year EC2 instance Savings Plan for the front end and API layer.

Discussion

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Question 135

A company wants to build a scalable key management Infrastructure to support developers who need to encrypt data in their applications.

What should a solutions architect do to reduce the operational burden?

Options:

Use multifactor authentication (MFA) to protect the encryption keys.

Use AWS Key Management Service (AWS KMS) to protect the encryption keys

Use AWS Certificate Manager (ACM) to create, store, and assign the encryption keys

Use an IAM policy to limit the scope of users who have access permissions to protect the encryption keys