Which of the following are true with regard to Opsworks stack Instances?
Click on the arrows to vote for the correct answer
A. B. C. D.Answer - B,C and D.
The AWS Documentation mentions the following.
1) You can start and stop instances manually or have AWS OpsWorks Stacks automatically scale the number of instances.
You can use time-based automatic scaling with any stack; Linux stacks also can use load-based scaling.
2) In addition to using AWS OpsWorks Stacks to create Amazon EC2 instances, you can also register instances with a Linux stack that were created outside of AWS OpsWorks Stacks.
This includes Amazon EC2 instances and instances running on your own hardware.
However, they must be running one of the supported Linux distributions.
You cannot register Amazon EC2 or on-premises Windows instances.
3) A stack's instances can run either Linux or Windows.
A stack can have different Linux versions or distributions on different instances, but you cannot mix Linux and Windows instances.
For more information on Opswork instances, please visit the below url.
http://docs.aws.amazon.com/opsworks/latest/userguide/workinginstances-os.htmlOpsWorks is a configuration management service provided by AWS that helps automate the deployment of applications and resources. OpsWorks stack instances refer to the servers, virtual machines or containers, that are managed by an OpsWorks stack.
Let's review the given options to determine which are true or false:
A. A stacks instances can be a combination of both Linux and Windows based operating systems. True: AWS OpsWorks allows you to create a stack that contains a mix of Linux and Windows instances. Each instance within the stack can be launched with a specific operating system, and you can use different configurations, such as Chef recipes, for each instance type.
B. You can use EC2 Instances that were created outside the boundary of Opswork. True: You can add EC2 instances that were created outside the OpsWorks environment to an OpsWorks stack. This feature is called 'Importing'. When you import an instance, it becomes a part of the stack and is managed through OpsWorks.
C. You can use instances running on your own hardware. False: OpsWorks only supports EC2 instances, not instances running on your own hardware.
D. You can start and stop instances manually. True: You can start and stop instances in an OpsWorks stack manually. This is useful when you want to make changes to the instances or when you need to perform maintenance activities.
So, the correct answers are A, B, and D.