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Amazon (SAP-C01) Exam Questions And Answers page 55

A user is trying to create a PIOPS EBS volume with 4000 IOPS and 100 GB size. AWS does not allow the user to create this volume.

What is the possible root cause for this?
Designing highly available, cost-efficient, fault-tolerant, scalable systems Designing for security and compliance
A user is trying to create a vault in AWS Glacier. The user wants to enable notifications.

In which of the below mentioned options can the user enable the notifications from the AWS console?
Designing for security and compliance
A user is trying to send custom metrics to CloudWatch using the PutMetricData APIs. Which of the below mentioned points should the user needs to take care while sending the data to CloudWatch?
Designing highly available, cost-efficient, fault-tolerant, scalable systems
A user is trying to understand the detailed CloudWatch monitoring concept. Which of the below mentioned services does not provide detailed monitoring with CloudWatch?
Implementing cost control strategies
A user is using CloudFormation to launch an EC2 instance and then configure an application after the instance is launched. The user wants the stack creation of ELB and AutoScaling to wait until the EC2 instance is launched and configured properly.

How can the user configure this?
Designing enterprise-wide scalable operations on AWS Implementing cost control strategies
A user wants to configure AutoScaling which scales up when the CPU utilization is above 70% and scales down when the CPU utilization is below 30%.

How can the user configure AutoScaling for the above mentioned condition?
Designing highly available, cost-efficient, fault-tolerant, scalable systems Designing for security and compliance
A user wants to create a public subnet in VPC and launch an EC2 instance within it. The user has not selected the option to assign a public IP address while launching the instance.

Which of the below mentioned statements is true with respect to this scenario?
Designing highly available, cost-efficient, fault-tolerant, scalable systems
A utility company wants to collect usage data every 5 minutes from its smart meters to facilitate time-of-use metering. When a meter sends data to AWS, the data is sent to Amazon API Gateway, processed by an AWS Lambda function and stored in an Amazon DynamoDB table. During the pilot phase, the Lambda functions took from 3 to 5 seconds to complete.

As more smart meters are deployed, the Engineers notice the Lambda functions are taking from 1 to 2 minutes to complete. The functions are also increasing in duration as new types of metrics are collected from the devices. There are many ProvisionedThroughputExceededException errors while performing PUT operations on DynamoDB, and there are also many TooManyRequestsException errors from Lambda.

Which combination of changes will resolve these issues? (Choose two.)
Designing highly available, cost-efficient, fault-tolerant, scalable systems Designing enterprise-wide scalable operations on AWS
Auto Scaling requests are signed with a _________ signature calculated from the request and the user s private key.
Designing highly available, cost-efficient, fault-tolerant, scalable systems Implementing cost control strategies
A weather service provides high-resolution weather maps from a web application hosted on AWS in the eu-west-1 Region. The weather maps are updated frequently and stored in Amazon S3 along with static HTML content. The web application is fronted by Amazon CloudFront.

The company recently expanded to serve users in the us-east-1 Region, and these new users report that viewing their respective weather maps is slow from time to time.

Which combination of steps will resolve the us-east-1 performance issues? (Choose two.)
Designing highly available, cost-efficient, fault-tolerant, scalable systems Designing enterprise-wide scalable operations on AWS