Instance Groupsare used to allow provisioning of a large number of virtual server instances at the same time when using IBM Cloud Virtual Private Cloud (VPC).
IBM Cloud VPC Instance Groups: Instance Groups provide a way to manage a group of identical virtual server instances within a VPC. They support auto-scaling, load balancing, and rolling updates, making it easier to manage a large number of instances.
Use Case for Large Deployments: When an organization needs to deploy multiple instances simultaneously, Instance Groups simplify the process by providing a template and scaling policies.
References from IBM Cloud Professional Architect Materials:
IBM documentation on Instance Groups for VPC describes how they are used for managing large-scale deployments.
Other options are incorrect:
A. Instance Modelsrefer to the types or configurations of instances, not to mass provisioning.
B. Instance Replication Policiesdo not exist in this context.
D. Instance Scaling Policiesmanage scaling but are not used for the initial provisioning of multiple instances.
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