Amazon Web Services passleader pdf Sap-c02 Study Guide by Alicia q42 vce pdf

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Exam Name:	AWS Certified Solutions Architect - Professional
Exam Code:	SAP-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Professional
Questions:	562 Q&A's	Shared By:	alicia

Question 92

A company has many AWS accounts in an organization in AWS Organizations. The accounts contain many Amazon EC2 instances that run different types of workloads. The workloads have different usage patterns.

The company needs recommendations for how to rightsize the EC2 instances based on CPU and memory usage during the last 90 days.

Which combination of steps will provide these recommendations? (Select THREE.)

Options:

Opt in to AWS Compute Optimizer and enable trusted access for Compute Optimizer for the organization.

Configure a delegated administrator account for AWS Systems Manager for the organization.

Use an AWS CloudFormation stack set to enable detailed monitoring for all the EC2 instances.

Install and configure the Amazon CloudWatch agent on all the EC2 instances to send memory utilization metrics to CloudWatch.

Activate enhanced metrics in AWS Compute Optimizer.

Configure AWS Systems Manager to pass metrics to AWS Trusted Advisor.

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Question 93

A company is designing its network configuration in the AWS Cloud. The company uses AWS Organizations to manage a multi-account setup. The company has three OUs. Each OU contains more than 100 AWS accounts. Each account has a single VPC, and all the VPCs in each OU are in the same AWS Region.

The CIDR ranges for all the AWS accounts do not overlap. The company needs to implement a solution in which VPCs in the same OU can communicate with each other but cannot communicatewith VPCs in other OUs.

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

Options:

Create an AWS CloudFormation stack set that establishes VPC peering between accounts in each OU. Provision the stack set in each OU.

In each OU, create a dedicated networking account that has a single VPC. Share this VPC with all the other accounts in the OU by using AWS Resource Access Manager (AWS RAM). Create a VPC peering connection between the networking account and each account in the OU.

Provision a transit gateway in an account in each OU. Share the transit gateway across the organization by using AWS Resource Access Manager (AWS RAM). Create transit gateway VPC attachments for each VPC.

In each OU, create a dedicated networking account that has a single VPC. Establish a VPN connection between the networking account and the other accounts in the OU. Use third-party routing software to route transitive traffic between the VPCs.

Discussion

Question 94

A company is designing an AWS environment tor a manufacturing application. The application has been successful with customers, and the application's user base has increased. The company has connected the AWS environment to the company's on-premises data center through a 1 Gbps AWS Direct Connect connection. The company has configured BGP for the connection.

The company must update the existing network connectivity solution to ensure that the solution is highly available, fault tolerant, and secure.

Which solution win meet these requirements MOST cost-effectively?

Options:

Add a dynamic private IP AWS Site-to-Site VPN as a secondary path to secure data in transit and provide resilience for the Direct Conned connection. Configure MACsec to encrypt traffic inside the Direct Connect connection.

Provision another Direct Conned connection between the company's on-premises data center and AWS to increase the transfer speed and provide resilience. Configure MACsec to encrypt traffic inside the Dried Conned connection.

Configure multiple private VIFs. Load balance data across the VIFs between the on-premises data center and AWS to provide resilience.

Add a static AWS Site-to-Site VPN as a secondary path to secure data in transit and to provide resilience for the Direct Connect connection.

Discussion

Question 95

A live-events company is designing a scaling solution for its ticket application on AWS. The application has high peaks of utilization during sale events. Each sale event is a one-time event that is scheduled. The application runs on Amazon EC2 instances that are in an Auto Scaling group.

The application uses PostgreSQL for the database layer.

The company needs a scaling solution to maximize availability during the sale events.

Which solution will meet these requirements?

Options:

Use a predictive scaling policy for the EC2 instances. Host the database on an Amazon Aurora PostgreSQL Serverless v2 Multi-AZ DB instance with automatically scaling read replicas. Create an AWS Step Functions state machine to run parallel AWS Lambda functions to pre-warm the database before a sale event. Create an Amazon EventBridge rule to invoke the state machine.

Use a scheduled scaling policy for the EC2 instances. Host the database on an Amazon RDS for PostgreSQL Multi-AZ DB instance with automatically scaling read replicas. Create an Amazon EventBridge rule that invokes an AWS Lambda function to create a larger read replica before a sale event. Fail over to the larger read replica. Create another EventBridge rule that invokes another Lambda function to scale down the read replica after the sale e

Use a predictive scaling policy for the EC2 instances. Host the database on an Amazon RDS for PostgreSQL Multi-AZ DB instance with automatically scaling read replicas. Create an AWS Step Functions state machine to run parallel AWS Lambda functions to pre-warm the database before a sale event. Create an Amazon EventBridge rule to invoke the state machine.

Use a scheduled scaling policy for the EC2 instances. Host the database on an Amazon Aurora PostgreSQL Multi-AZ DB cluster. Create an Amazon EventBridge rule that invokes an AWS Lambda function to create a larger Aurora Replica before a sale event. Fail over to the larger Aurora Replica. Create another EventBridge rule that invokes another Lambda function to scale down the Aurora Replica after the sale event.

Discussion

Answer:

Explanation:

The correct answer is D.

D. This solution meets the requirements because it uses a scheduled scaling policy for the EC2 instances, which can adjust the capacity according to the known sale events. It also uses Amazon Aurora PostgreSQL Multi-AZ DB cluster, which provides high availability and durability for the database. It uses Amazon EventBridge rules and AWS Lambda functions to create a larger Aurora Replica before a sale event and fail over to it, which can improve the performance and handle the increased traffic.It also uses anotherEventBridge rule and Lambda function to scale down the Aurora Replica after the sale event, which can save costs123

A. This solution is incorrect because it uses predictive scaling policy for the EC2 instances, which is not suitable for one-time events that are scheduled. Predictive scaling is based on historical data and machine learning, which may not accurately forecast the demand for sale events. It also uses Amazon Aurora PostgreSQL Serverless v2 Multi-AZ DB instance, which does not support read replicas.The use of AWS Step Functions state machine and Lambda functions to pre-warm the database is unnecessary and adds complexity45

B. This solution is incorrect because it uses Amazon RDS for PostgreSQL Multi-AZ DB instance with automatically scaling read replicas, which may not provide enough performance improvement for the sale events. The use of EventBridge rules and Lambda functions to create a larger read replica and fail over to it is risky and may cause downtime ordata loss.The use of another EventBridge rule and Lambda function to scale down the read replica is also risky and may cause inconsistency or data loss67

C. This solution is incorrect because it uses predictive scaling policy for the EC2 instances, which is not suitable for one-time events that are scheduled. Predictive scaling is based on historical data and machine learning, which may not accurately forecast the demand for sale events.The use of AWS Step Functions state machine and Lambda functions to pre-warm the database is unnecessary and adds complexity45

[References:, 1:Scheduled scaling for Amazon EC2 Auto Scaling2:Amazon Aurora PostgreSQL features3:Amazon EventBridge rules4:Predictive scaling for Amazon EC2 Auto Scaling5:Amazon Aurora Serverless v26:Multi-AZ DB instance deployments - Amazon Relational Database Service7:Working with PostgreSQL read replicas - Amazon Relational Database Service, , , , , , , ]

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