CCNA Soa Cost Performance Questions

An administrator runs the above CloudWatch command to analyze CPU utilization for an EC2 instance. The instance is currently running with a t3.large instance type. The company wants to optimize costs. Based on the data, which action should the administrator take?

A company uses a centralized logging solution with Amazon OpenSearch Service. The log volume has grown significantly, increasing costs. The logs are retained for 90 days for compliance, but only the last 30 days are frequently accessed. Which combination of actions would reduce costs without compromising compliance?

A SysOps administrator attached the IAM policy shown to a user. The user needs to launch EC2 instances for a cost-sensitive project. What is the impact of this policy on cost optimization?

An application runs on c5.xlarge EC2 instances 24 hours a day, 7 days a week in us-east-1. The workload is stable and will not change instance type for at least 12 months. The team wants to reduce compute costs by 30 to 40 percent compared to On-Demand pricing. Which purchasing option achieves this with the lowest financial risk?

A company runs a fleet of EC2 instances in a production environment. The instances are part of an Auto Scaling group that uses a launch template with a m5.large instance type. The company's SysOps administrator notices that the instances are often over-provisioned, with average CPU utilization below 20% for the past month. The administrator wants to reduce costs without affecting application performance. The application is stateless and can handle temporary performance degradation. Which action should the administrator take?

A SysOps administrator notices that the monthly bill for Amazon S3 has increased significantly. The company uses S3 for storing application logs and user uploads. The logs are accessed rarely but must be retained for 3 years. User uploads are accessed frequently for the first 30 days, then rarely after. Which S3 lifecycle policy will optimize storage costs?

A company is using AWS Lambda functions to process events from Amazon S3. The functions are invoked several thousand times per minute. The SysOps administrator notices that the functions are taking longer to execute during peak times. Which action should the administrator take to improve performance?

A SysOps administrator reviews the Lambda invocation metrics for a function. The function processes data from an S3 bucket and is triggered by S3 events. The cost for this function is higher than expected. What should the administrator do to reduce costs?

A company has a web application running on EC2 instances behind an Application Load Balancer. The application experiences latency spikes during peak hours. Amazon CloudWatch metrics show that CPU and memory are not fully utilized. The SysOps administrator suspects the bottleneck is the database. The database is an RDS for MySQL instance. Which action should the administrator take to improve performance without over-provisioning?

A company runs a batch processing job on Amazon EC2 instances that runs for 3 hours each night. The job can be interrupted and can resume from the last checkpoint without data loss. The SysOps administrator wants to minimize compute costs for this workload. Which Amazon EC2 purchasing option should be used?

A company runs a web application on EC2 instances with an Auto Scaling group. The application uses an Amazon RDS MySQL database. During a traffic spike, the database CPU utilization reaches 90%. The SysOps team needs to improve database performance cost-effectively. Which THREE actions should they take?

A SysOps administrator is managing a fleet of Amazon EC2 instances that run a batch processing job. The job runs for 30 minutes every hour. The administrator wants to optimize costs by using Spot Instances but must ensure that the job completes even if Spot Instances are interrupted. Which configuration should the administrator use?

A company wants to receive alerts when their monthly AWS spending exceeds $1,000. Which AWS service should be used?

A company runs a critical application on EC2 instances in an Auto Scaling group behind an Application Load Balancer. The application requires very low latency and high availability. The SysOps administrator notices that the application experiences increased latency during traffic spikes even though the Auto Scaling group is scaling out. Which solution would MOST effectively reduce latency?

A company runs a web application on EC2 instances with Elastic Load Balancing. They notice that costs are higher than expected. What is the MOST cost-effective way to optimize costs while maintaining high availability?

A company runs a web application on Amazon EC2 instances that run 24/7. The application has a predictable and steady load. The SysOps administrator wants to minimize compute costs while ensuring the required capacity is always available. Which purchasing option should be used?

A company stores application logs in Amazon S3. The logs are rarely accessed after the first 30 days, but must be retained for 7 years for compliance. The SysOps administrator wants to minimize storage costs while ensuring logs are available for retrieval within 12 hours if needed. Which S3 lifecycle configuration is the most cost-effective?

A SysOps administrator is optimizing an AWS Lambda function that processes data from an S3 bucket. The function currently runs with 128 MB memory and a 5-second timeout. The function experiences timeouts for large files. The administrator wants to improve performance and reduce cost. Which TWO actions should they take?

A company runs a production database on a db.r5.large RDS instance with Multi-AZ enabled. They notice that the CPU utilization is consistently below 10% and memory usage is below 20%. The application is not expected to grow significantly. Which action would optimize costs without sacrificing high availability?

A company uses S3 Standard for all data, but some objects are accessed only once per year. Which storage class provides the lowest cost for this use case while maintaining the same durability?

A company is using Amazon EBS volumes for a high-performance database. The volumes are gp2 type. The database workload is write-intensive, and the company is experiencing high costs due to provisioned IOPS. The database team wants to maintain performance while reducing costs. Which EBS volume type should the company use?

A SysOps administrator reviews the CloudWatch metric data for an EC2 instance. The instance runs a web application that experiences high traffic between 12:00 and 14:00 UTC daily. The administrator wants to optimize costs while maintaining performance. What should the administrator do?

A company runs a batch processing job on Amazon EMR every night. The job runs for 6 hours and requires a cluster of 20 m5.xlarge instances. The company wants to reduce costs while ensuring the job completes on time. Which solution is MOST cost-effective?

A SysOps administrator receives an AWS Budgets alert that the monthly cost for an S3 bucket has increased by 300% compared to the previous month. The bucket stores log files and uses S3 Standard storage. The bucket has versioning enabled and lifecycle policies that transition objects to S3 Glacier Deep Archive after 90 days. What is the MOST likely cause of the cost increase?

A company runs a web application on a fleet of Amazon EC2 instances that operate 24/7 with a steady and predictable load. The SysOps administrator wants to minimize compute costs while ensuring the required capacity is always available. Which EC2 purchasing option should the administrator use?

A company wants to receive an alert when its AWS spending exceeds $5,000 in a month. The SysOps administrator needs to set up a proactive alert that monitors actual costs. Which AWS service should be used?

A SysOps administrator wants to receive alerts when the estimated charges for an AWS account exceed a certain threshold. Which AWS service should be used?

A company uses Amazon CloudWatch Logs to store application logs from EC2 instances. The log volume is 100 GB per day, and logs are retained for 1 year. The SysOps administrator wants to reduce costs while maintaining compliance. Which solution is MOST effective?

A company is using Amazon CloudFront to deliver content to users worldwide. They notice high data transfer costs. Which THREE actions can reduce CloudFront data transfer costs?

A SysOps administrator is designing a cost-effective architecture for a batch processing workload that runs once per day and can tolerate interruptions. The workload uses EC2 instances. Which TWO purchasing options should the administrator consider? (Choose two.)

A company runs a batch processing job on Amazon EC2 that runs for 2 hours every night. The job can tolerate interruptions and can resume from the last checkpoint. The SysOps administrator needs to minimize compute costs. Which EC2 purchasing option should be used?

A company wants to reduce costs for their Amazon RDS for PostgreSQL database. Which TWO actions would help achieve this?

A company runs a web application on a fleet of Amazon EC2 instances behind an Application Load Balancer. The application has predictable traffic patterns with high traffic during business hours and low traffic at night. The SysOps administrator wants to reduce compute costs while ensuring the application remains responsive during peak hours. The administrator has already implemented Auto Scaling based on CPU utilization. Which additional action should the administrator take to optimize costs?

A company is running a high-performance computing (HPC) workload on EC2. The workload is time-sensitive and runs for 2 hours every night. The company wants to minimize costs. Which THREE options should they consider? (Choose THREE.)

A company is using Amazon S3 to host a static website. The website receives millions of requests per month from users around the world. The company wants to reduce latency and S3 data transfer costs. Which solution should the company implement?

A company runs a web application on EC2 instances in an Auto Scaling group behind an ALB. The application experiences variable traffic, with peak usage during business hours and low traffic at night. The SysOps administrator wants to reduce costs while maintaining performance. The current setup uses On-Demand instances only. The application is stateful and stores session data in an ElastiCache Redis cluster. The administrator has identified that the application can handle Spot Instance interruptions gracefully by redirecting users to a fallback page. The company has a budget of $10,000 per month for EC2 instances, and current costs are $8,000 per month. The administrator wants to reduce costs further without compromising availability for most users. Which solution is MOST cost-effective?

A company stores video files in Amazon S3. The files are accessed frequently for the first week, then weekly for the next month, and then rarely after that. The files must be retained for 5 years and any access must be served within minutes. The SysOps administrator needs to minimize storage costs while meeting these requirements. Which lifecycle policy configuration is the most cost-effective?

A company uses an Amazon DynamoDB table with on-demand capacity mode for a variable workload. The SysOps administrator notices high costs and wants to reduce them without affecting application performance. Which action should the administrator take?

A company is running a web application on EC2 instances behind an Application Load Balancer. The application experiences variable traffic patterns. The SysOps team wants to optimize costs without impacting performance. Which EC2 purchasing option should the team use for the instances?

Drag and drop the steps to configure a VPC peering connection between two VPCs into the correct order.

A company is using Amazon RDS for MySQL with Multi-AZ deployment. They want to optimize costs while maintaining high availability. Which TWO actions should the SysOps administrator take?

A company uses Amazon CloudWatch Logs to store application logs. The logs are retained indefinitely. The compliance team requires logs to be retained for 7 years. What is the MOST cost-effective way to meet this requirement?

A company runs a web application on Amazon EC2 instances that have variable traffic patterns. The application experiences steady baseline traffic with occasional spikes. The SysOps administrator wants to optimize costs while ensuring performance during spikes. Which pricing model should be used for the baseline capacity and for the burst capacity?

A company is using a t3.medium EC2 instance for a development web server. The instance is underutilized most of the time. Which TWO actions would optimize costs? (Choose TWO.)

A company runs a web application on EC2 instances behind an Application Load Balancer (ALB). The application experiences variable traffic with occasional spikes. The SysOps administrator wants to optimize costs while ensuring that the application can handle spikes without performance degradation. The current setup uses a fixed number of instances. Which action should the administrator take?

Which TWO actions can reduce costs for an Amazon EC2 environment that runs non-critical batch jobs that can be interrupted? (Choose TWO.)

A company runs a web application on Amazon EC2 instances in an Auto Scaling group. The application experiences steady traffic during business hours and very low traffic overnight. The SysOps administrator wants to optimize costs by using a mix of On-Demand and Spot Instances. The administrator also requires that the total capacity never falls below the baseline level needed during business hours, even if Spot Instances are reclaimed. Which combination of Auto Scaling features should be used?

A SysOps administrator reviews the CloudWatch metrics for an EC2 instance as shown. The instance is part of an Auto Scaling group with a target tracking scaling policy based on average CPU utilization set to 50%. During the time period shown, what is the expected behavior?

A company runs a large number of EC2 instances across multiple accounts and regions. The finance team needs to track costs per project and department. Each EC2 instance must be tagged with a ProjectID and Department tag. A SysOps administrator needs to ensure that all newly launched EC2 instances are tagged automatically before they can be used, and that existing untagged instances are retroactively tagged. The tags must be propagated to cost reports in AWS Cost Explorer. Which combination of steps will achieve this with the least operational overhead?

A company runs a web application on EC2 instances behind an Application Load Balancer. The application experiences unpredictable traffic spikes. Which AWS service should be used to automatically adjust the number of EC2 instances based on demand, optimizing cost and performance?

A company hosts a static website on Amazon S3 with public read access. The website content is updated weekly. The SysOps administrator notices that the monthly S3 costs are higher than expected. The website receives about 10,000 requests per day, and each object is small (average 50 KB). The administrator wants to reduce costs without affecting the user experience. The website does not require HTTPS or custom domain at this time. Which action should the administrator take?

A SysOps administrator notices that an EC2 instance's CPU utilization is consistently above 90% during peak hours. Which action will improve performance without over-provisioning resources?

Which THREE AWS services can be used to monitor and optimize costs? (Choose THREE.)

A company runs a production web application on Amazon EC2 instances behind an Application Load Balancer. The application experiences variable traffic patterns, with peak usage during business hours. The company wants to optimize costs while maintaining performance. What should the SysOps administrator do?

A company stores 1 PB of data in Amazon S3 Standard. The data is accessed frequently for the first 30 days, then rarely accessed afterwards. The company needs to optimize storage costs. What should they do?

A company is using AWS CloudFormation to deploy infrastructure. They want to reduce costs by identifying unused resources. Which AWS service should they use to monitor and report on resource utilization and cost?

An application running on Amazon EC2 generates a large number of small files that are stored temporarily and deleted after 24 hours. The files are accessed frequently within the first hour and then rarely. Which Amazon S3 storage class is MOST cost-effective for this use case?

A company runs a data processing pipeline on AWS. The pipeline consists of EC2 instances that process data from an S3 bucket and write results to another S3 bucket. The processing job runs every hour and takes approximately 45 minutes. The current setup uses On-Demand instances. The SysOps administrator wants to reduce costs because the monthly EC2 bill is $5,000. The application is fault-tolerant and can handle interruptions by reprocessing data from the last checkpoint. The administrator has tested Spot Instances and found that they are interrupted about 10% of the time. The company has a strict requirement that the job must complete within 60 minutes every hour. Which solution would reduce costs while ensuring the job completes on time?

A company runs a read-heavy database workload on Amazon RDS for PostgreSQL with a primary instance and two read replicas. The SysOps administrator observes that the read replicas frequently experience high replica lag during peak hours, causing stale reads for the application. The administrator needs to reduce replica lag while optimizing costs. The workload is predictable, with spikes during business hours and low traffic at night. Which combination of actions should the administrator take?

A company is using Amazon S3 to store log files. The logs are accessed frequently for the first 30 days and then rarely, but must be retained for 7 years for compliance. Which THREE actions would optimize storage costs while maintaining accessibility?

A company has a production environment with multiple EC2 instances. They want to ensure that all instances are covered by a Reserved Instance (RI) to maximize cost savings. Which AWS service can automatically apply unused RIs to new instances?

A company has a web application that uses an Application Load Balancer (ALB) and an Auto Scaling group of EC2 instances. The Auto Scaling group uses a dynamic scaling policy based on average CPU utilization. The SysOps administrator notices that during traffic spikes, the scaling policy adds instances too slowly, causing performance degradation. Which action should the administrator take to improve performance without significantly increasing costs?

A company stores infrequently accessed data in S3 Standard. They want to reduce storage costs without compromising immediate accessibility. What is the MOST cost-effective solution?

A company runs a web application on EC2 instances in an Auto Scaling group. The application experiences variable traffic. The company wants to improve performance and reduce costs. Which THREE actions should the company take?

A company uses Amazon CloudWatch to monitor its AWS resources. The company wants to receive alerts when CPU utilization of an EC2 instance exceeds 80% for 5 consecutive minutes. What is the MOST efficient way to achieve this?

A company has a production AWS account that uses Consolidated Billing with several member accounts. The finance team wants to identify the top cost drivers and allocate costs to different departments. Which AWS tool should be used to visualize and allocate costs?

A company is running a production web application on EC2 instances behind an ALB. The application experiences predictable traffic spikes during business hours. Which cost optimization strategy would be MOST effective?

A company runs a critical web application on Amazon EC2 instances behind an Application Load Balancer (ALB). The application is deployed in a single AWS region. The company wants to improve performance for users in other regions and reduce the load on the origin servers. The SysOps administrator decides to use Amazon CloudFront. After implementing CloudFront, the administrator notices that the cache hit ratio is very low (around 10%) for the dynamic API responses that are served by the application. These API responses are personalized per user and change frequently. The administrator wants to improve performance for these dynamic requests while still using CloudFront. The application uses cookies for session management and the API responses depend on the user's session. The administrator must ensure that users receive the correct personalized content. Which configuration should the administrator use?

A company uses Amazon CloudFront to deliver content to a global audience. The origin is an Application Load Balancer in us-east-1. The SysOps administrator wants to reduce costs by minimizing the number of requests that reach the origin server. Which action should the administrator take?

A company runs a CPU-intensive batch processing job daily on a single Amazon EC2 instance. The job requires high compute performance but uses minimal memory. The instance is typically idle for the rest of the day. The SysOps administrator needs to minimize costs while ensuring the job completes within a 1-hour window. Which purchasing option and instance family should the administrator use?

A SysOps administrator notices that an Amazon RDS DB instance is running at 10% CPU utilization consistently. The instance has 8 vCPUs and 32 GB RAM. The application's performance is adequate. Which action will reduce costs without affecting performance?

A company runs a production database on an Amazon RDS for PostgreSQL instance. The company notices that the database is experiencing high CPU utilization during peak hours, causing performance degradation. The company wants to improve performance while minimizing cost. Which solution should the company implement?

A company is running a stateful web application on EC2 instances in an Auto Scaling group. The application requires low latency and high throughput. Currently, the application is experiencing performance degradation during peak hours. Which scaling strategy should the SysOps administrator implement to improve performance and optimize cost?

A company is using Amazon CloudFront to deliver content globally. Which feature can help reduce costs by minimizing data transfer from the origin?

An administrator runs the above command to list EC2 instances. The company wants to optimize costs. Which instance should the administrator consider terminating first?