It validates below knowledge area:
> Deploy, manage, and operate scalable, highly available, and fault tolerant systems on AWS
> Implement and control the flow of data to and from AWS
> Select the appropriate AWS service based on compute, data, or security requirements
> Identify appropriate use of AWS operational best practices
> Estimate AWS usage costs and identify operational cost control mechanisms
> Migrate on-premises workloads to AWS
There are no prerequisites for taking the SysOps Administrator-Associate examination.
Recommended AWS Knowledge
> Minimum of one year hands-on experience with AWS
> Experience managing/operating systems on AWS
> Understanding of the AWS tenets – architecting for the cloud
> Hands-on experience with the AWS CLI and SDKs/API tools
> Understanding of network technologies as they relate to AWS
> Understanding of security concepts with hands-on experience in implementing security controls and
A SysOps Administrator is maintaining an application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). Users are reporting errors when attempting to launch the application. The Administrator notices an increase in the HTTPCode_ELB_5xx_Count Amazon CloudWatch metric for the load balancer.
What is a possible cause for this increase?
- The ALB is associated with private subnets within the VPC.
- The ALB received a request from a client, but the client closed the connection.
- The ALB security group is not configured to allow inbound traffic from the users.
- The ALB target group does not contain healthy EC2 instances.