A company is supposed to receive a data file every hour in an Amazon S3 bucket. An S3 event notification invokes an AWS Lambda function each time a file arrives. The function processes the data for use by an application.The application team notices that sometimes the file does not arrive. The application team wants to receive a notification whenever the file does not arrive.What is the MOST operationally efficient solution that meets these requirements?
A company recently acquired another corporation and all of that corporation's AWS accounts. A financial analyst needs the cost data from these accounts. ASysOps administrator uses Cost Explorer to generate cost and usage reports. The SysOps administrator notices that "No Tagkey" represents 20% of the monthly cost.What should the SysOps administrator do to tag the "No Tagkey" resources?
While setting up an AWS managed VPN connection, a SysOps administrator creates a customer gateway resource in AWS. The customer gateway device resides in a data center with a NAT gateway in front of it.What address should be used to create the customer gateway resource?
A company has a web application that is experiencing performance problems many times each night. A root cause analysis reveals sudden increases in CPU utilization that last 5 minutes on an Amazon EC2 Linux instance. A SysOps administrator must find the process ID (PID) of the service or process that is consuming more CPU.What should the SysOps administrator do to collect the process utilization information with the LEAST amount of effort?
A SysOps administrator configured AWS Backup to capture snapshots from a single Amazon EC2 instance that has one Amazon Elastic Block Store (AmazonEBS) volume attached. On the first snapshot, the EBS volume has 10 GiB of data. On the second snapshot, the EBS volume still contains 10 GiB of data, but 4GiB have changed. On the third snapshot, 2 GiB of data have been added to the volume, for a total of 12 GiB.How much total storage is required to store these snapshots?
A company has an infernal web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 AutoScaling group in a single Availability Zone. A SysOps administrator must make the application highly available.Which action should the SysOps administrator take to meet this requirement?