A development team recently deployed a new version of a web application to production. After the release penetration testing revealed a cross-site scripting vulnerability that could expose user data.
Which AWS service will mitigate this issue?

• A.Amazon Cognito
• B.AWS Shield Standard
• C.AWS WAF
• D.Elastic Load Balancing

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A company hosts a website on multiple Amazon EC2 instances that run in an Auto Scaling group.
Users are reporting slow responses during peak times between 6 PM and 11 PM very weekend.
A SysOps administrator must implement a solution to improve performance during these peak times.
What is the MOST operationally efficient solution that meets these requirements?

• A.Create a scheduled Amazon EventBridge (Amazon CloudWatch Events) rule to invoke an AWS Lambda function to increase the desired capacity before peak times.
• B.Configure a scheduled scaling action with a recurrence option to change the desired capacity before and after peak times.
• C.Create a target tracking scaling po icy to add more instances when memory utilization is above
  70%.
• D.Configure the cooldown period for the Auto Scaling group to modify desired capacity before and after peak times.

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A company's AWS Lambda function is experiencing performance issues. The Lambda function performs many CPU-intensive operations. The Lambda function is not running fast enough and is creating bottlenecks in the system.
What should a SysOps administrator do to resolve this issue?

• A.In the CPU launch options for the Lambda function, activate hyperthreading.
• B.Turn off the AWS managed encryption.
• C.Increase the amount of memory for the Lambda function.
• D.Load the required code into a custom layer.

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A company is tunning a website on Amazon EC2 instances thai are in an Auto Scaling group When the website traffic increases, additional instances lake several minutes to become available because ot a long-running user data script that installs software A SysOps administrator must decrease the time that is required (or new instances to become available Which action should the SysOps administrator take to meet this requirement?

• A.Reduce the scaling thresholds so that instances are added before traffic increases
• B.Purchase Reserved Instances to cover 100% of the maximum capacity of the Auto Scaling group
• C.Update the Auto Scaling group to launch instances that have a storage optimized instance type
• D.Use EC2 Image Builder to prepare an Amazon Machine Image (AMI) that has pre-installed software

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The SysOps Administrator must integrate an existing on-premises asymmetrical key management system into an AWS services platform.
How can the Administrator meet this requirement?

• A.Implement AWS KMS and integrate with the existing on-premises asymmetrical key management system
• B.Implement AWS CloudHSM and integrate it with the existing key management infrastructure
• C.Deploy an Amazon EC2 instance and choose an AMI from an AWS partner in the AWS Marketplace
• D.Create a master key in AWS KMS, and export that key to the existing on-premises asymmetrical key management system

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