Elastic Compute Cloud
You create an Auto Scaling Group which is used to spin up instances On Demand. As an architect, you need to ensure that the instances are pre-installed with a software when they are launched. What are the ways in which you can achieve this? Choose 2 answers from the options given below.
A. Add the software installation to the configuration for the Auto Scaling Group.
B. Add the scripts for the installation in the User data section.
C. Create a golden image and then create a launch configuration.
D. Ask the IT operations team to install the software as soon as the instance islaunched.
B. & C.
The User data section of an instance launch can be used to pre-configure software after the instance is initially booted.
For more information on User data, please visit the below URL:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/user-data.html
Also, you can create an AMI or a golden image with the already installed software, then create a launch configuration which can be used by that Auto Scaling Group.
For more information on AMIs please visit the below URL:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html
