A software company hosts an application on AWS with resources in multiple AWS accounts and Regions. The application runs on a group of Amazon EC2 instances in an application VPC located in the us-east-1 Region with an IPv4 CIDR block of 10.10.0.0/16. In a different AWS account, a shared services VPC is located in the us-east-2 Region with an IPv4 CIDR block of 10.10.10.0/24. When a cloud engineer uses AWS CloudFormation to attempt to peer the application
VPC with the shared services VPC, an error message indicates a peering failure.
Which factors could cause this error? (Choose two.)
A. The IPv4 CIDR ranges of the two VPCs overlap
B. The VPCs are not in the same Region
C. One or both accounts do not have access to an Internet gateway
D. One of the VPCs was not shared through AWS Resource Access Manager
E. The IAM role in the peer accepter account does not have the correct permissions
A medical company is running an application in the AWS Cloud. The application simulates the effect of medical drugs in development.
The application consists of two parts configuration and simulation The configuration part runs in AWS Fargate containers in an Amazon Elastic Container Service (Amazon ECS) cluster. The simulation part runs on large, compute optimized Amazon EC2 instances Simulations can restart if they are interrupted
The configuration part runs 24 hours a day with a steady load. The simulation part runs only for a few hours each night with a variable load. The company stores simulation results in Amazon S3, and researchers use the results for 30 days. The company must store simulations for 10 years and must be able to retrieve the simulations within 5 hours
Which solution meets these requirements MOST cost-effectively?
A. Purchase an EC2 Instance Savings Plan to cover the usage for the configuration part Run the simulation part by using EC2 Spot Instances Create an S3 Lifecycle policy to transition objects that are older than 30 days to S3 Intelligent-Tiering
B. Purchase an EC2 Instance Savings Plan to cover the usage for the configuration part and the simulation part Create an S3 Lifecycle policy to transition objects that are older than 30 days to S3 Glacier
C. Purchase Compute Savings Plans to cover the usage for the configuration part Run the simulation part by using EC2 Spot instances Create an S3 Lifecycle policy to transition objects that are older than 30 days to S3 Glacier
D. Purchase Compute Savings Plans to cover the usage for the configuration part Purchase EC2 Reserved Instances for the simulation part Create an S3 Lifecycle policy to transition objects that are older than 30 days to S3 Glacier Deep Archive
A publishing company's design team updates the icons and other static assets that an ecommerce web application uses. The company serves the icons and assets from an Amazon S3 bucket that is hosted in the company's production account. The company also uses a development account that members of the design team can access.
After the design team tests the static assets in the development account, the design team needs to load the assets into the S3 bucket in the production account. A solutions architect must provide the design team with access to the production account without exposing other parts of the web application to the risk of unwanted changes.
Which combination of steps will meet these requirements? (Select THREE.)
A. In the production account, create a new IAM policy that allows read and write access to the S3 bucket.
B. In the development account, create a new IAM policy that allows read and write access to the S3 bucket.
C. In the production account, create a role. Attach the new policy to the role. Define the development account as a trusted entity.
D. In the development account, create a role. Attach the new policy to the role. Define the production account as a trusted entity.
E. In the development account, create a group that contains all the IAM users of the design team. Attach a different IAM policy to the group to allow the sts:AssumeRole action on the role in the production account.
F. In the development account, create a group that contains all tfje IAM users of the design team. Attach a different IAM policy to the group to allow the sts;AssumeRole action on the role in the development account.
A company has built a high performance computing (HPC) cluster in AWS for a tightly coupled workload that generates a large number of shared files stored in Amazon EFS. The cluster was performing well when the number of Amazon EC2 instances in the cluster was 100. However, when the company increased the cluster size to 1,000 EC2 instances, overall performance was well below expectations
Which collection of design choices should a solutions architect make to achieve the maximum performance from the HPC cluster? (Select THREE.)
A. Ensure the HPC cluster is launched within a single Availability Zone.
B. Launch the EC2 instances and attach elastic network interfaces in multiples of four.
C. Select EC2 instance types with an Elastic Fabric Adapter (EFA) enabled
D. Ensure the cluster is launched across multiple Availability Zones.
E. Replace Amazon EFS with multiple Amazon EBS volumes in a RAID array.
F. Replace Amazon EFS with Amazon FSx for Lustre.
A solutions architect needs to review the design of an Amazon EMR cluster that is using the EMR File System (EMRFS). The cluster performs tasks that are critical to business needs. The cluster is running Amazon EC2 On-Demand Instances at all times for all task, master, and core nodes The EMR tasks run each morning, starting at 1:00 AM, and take 6 hours to finish running. The amount of time to complete the processing is not a priority because the data is not referenced until late in the day.
The solutions architect must review the architecture and suggest a solution to minimize the compute costs
Which solution should the solutions architect recommend to meet these requirements?
A. Launch all task, master, and core nodes on Spot Instances in an instance fleet. Terminate the cluster, including all instances, when the processing is completed.
B. Launch the master and core nodes on On-Demand Instances. Launch the task nodes on Spot Instances In an instance fleet. Terminate the cluster, including all instances, when the processing is completed. Purchase Compute Savings Plans to cover the On-Demand Instance usage.
C. Continue to launch all nodes on On-Demand Instances. Terminate the cluster. Including all instances, when the processing Is completed. Purchase Compute Savings Plans to cover the On-Demand Instance usage.
D. Launch the master and core nodes on On-Demand Instances. Launch the task nodes on Spot Instances In an instance fleet. Terminate only the task node Instances when the processing is completed Purchase Compute Savings Plans to cover the On-Demand Instance usage.
An enterprise company wants to implement cost controls for all its accounts in AWS Organizations, which has full features enabled. The company has mapped organizational units (OUs) to its business units, and it wants to bill these business units for their individual AWS spending. There has been a recent spike in the company's AWS bill, which is generating attention from the Finance team.
A Solutions Architect needs to investigate the cause of the spike while designing a solution that will track AWS costs in Organizations and generate a notification to the required teams if costs from a business unit exceed a specific monetary threshold.
Which solution will meet these requirements?
A. Use Cost Explorer to troubleshoot the reason for the additional costs. Set up an AWS Lambda function to monitor the company's AWS bill by each AWS account in an OU. Store the threshold amount set by the Finance team in the AWS Systems Manager Parameter Store. Write the custom rules in the Lambda function to verify any hidden costs for the AWS accounts. Trigger a notification from the Lambda function to an Amazon SNS topic when a budget threshold is breached.
B. Use AWS Trusted Advisor to troubleshoot the reason for the additional costs. Set up an AWS Lambda function to monitor the company's AWS bill by each AWS account in an OU. Store the threshold amount set by the Finance team in the AWS Systems Manager Parameter Store. Write custom rules in the Lambda function to verify any hidden costs for the AWS accounts. Trigger an email to the required teams from the Lambda function using Amazon SNS when a budget threshold is breached.
C. Use Cost Explorer to troubleshoot the reason for the additional costs. Create a budget using AWS Budgets with the monetary amount set by the Finance team for each OU by grouping the linked accounts. Configure an Amazon SNS notification to the required teams in the budget.
D. Use AWS Trusted Advisor to troubleshoot the reason for the additional costs. Create a budget using AWS Budgets with the monetary amount set by the Finance team for each OU by grouping the linked accounts. Add the Amazon EC2 instance types to be used in the company as a budget filter. Configure an Amazon SNS topic with a subscription for the Finance team email address to receive budget notifications.
A company runs a software-as-a-service (SaaS) application on AWS. The application consists of AWS Lambda functions and an Amazon RDS for MySQL Multi-AZ database. During market events, the application has a much higher workload than normal. Users notice slow response times during the peak periods because of many database connections. The company needs to improve the scalable performance and availability of the database.
Which solution meets these requirements?
A. Create an Amazon CloudWatch alarm action that triggers a Lambda function to add an Amazon RDS for MySQL read replica when resource utilization hits a threshold.
B. Migrate the database to Amazon Aurora, and add a read replica. Add a database connection pool outside of the Lambda handler function.
C. Migrate the database to Amazon Aurora, and add a read replica. Use Amazon Route 53 weighted records.
D. Migrate the database to Amazon Aurora, and add an Aurora Replica. Configure Amazon RDS Proxy to manage database connection pools.
An enterprise company is using a multi-account AWS strategy. There are separate accounts for development staging and production workloads. To control costs and improve governance the following requirements have been defined:
1.
The company must be able to calculate the AWS costs for each project.
2.
The company must be able to calculate the AWS costs for each environment development staging and production.
3.
Commonly deployed IT services must be centrally managed.
4.
Business units can deploy pre-approved IT services only.
5.
Usage of AWS resources in the development account must be limited.
Which combination of actions should be taken to meet these requirements? (Choose three.)
A. Apply environment, cost center, and application name tags to all taggable resources.
B. Configure custom budgets and define thresholds using Cost Explorer.
C. Configure AWS Trusted Advisor to obtain weekly emails with cost-saving estimates.
D. Create a portfolio for each business unit and add products to the portfolios using AWS CloudFormation in AWS Service Catalog.
E. Configure a billing alarm in Amazon CloudWatch.
F. Configure SCPs in AWS Organizations to allow services available using AWS.
A company has multiple lines of business (LOBs) that roll up to the parent company. The company has asked its solutions architect to develop a solution with the following requirements:
? Produce a single AWS invoice for all of the AWS accounts used by its LOBs.
? The costs for each LOB account should be broken out on the invoice.
? Provide the ability to restrict services and features in the LOB accounts, as defined by the company's governance policy.
? Each LOB account should be delegated full administrator permissions, regardless of the governance policy.
Which combination of steps should the solutions architect take to meet these requirements? (Choose two.)
A. Use AWS Organizations to create an organization in the parent account for each LOB. Then invite each LOB account to the appropriate organization.
B. Use AWS Organizations to create a single organization in the parent account. Then, invite each LOB's AWS account to join the organization.
C. Implement service quotas to define the services and features that are permitted and apply the quotas to each LOB. as appropriate.
D. Create an SCP that allows only approved services and features, then apply the policy to the LOB accounts.
E. Enable consolidated billing in the parent account's billing console and link the LOB accounts.
A company has an on-premises data center and is using Kubernetes to develop a new solution on AWS. The company uses Amazon Elastic Kubernetes Service (Amazon EKS) clusters for its development and test environments.
The EKS control plane and data plane for production workloads must reside on premises. The company needs an AWS managed solution for Kubernetes management.
Which solution will meet these requirements with the LEAST operational overhead?
A. Install an AWS Outposts server in the on-premises data center. Deploy Amazon EKS by using a local cluster configuration on the Outposts server for the production workloads.
B. Install Amazon EKS Anywhere on the company's hardware in the on-premises data center. Deploy the production workloads on an EKS Anywhere cluster.
C. Install an AWS Outposts server in the on-premises data center. Deploy Amazon EKS by using an extended cluster configuration on the Outposts server for the production workloads.
D. Install an AWS Outposts server in the on-premises data center. Install Amazon EKS Anywhere on the Outposts server. Deploy the production workloads on an EKS Anywhere cluster.
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