Running an Ansible Playbook on a particular group of servers

Question

I have the following /etc/ansible/hosts:

[ESNodes]
isk-vsrv643
isk-vsrv644
isk-vsrv645

[PerfSetup]
isk-dsrv613
isk-dsrv614

I know there is

Answer 1

Same way as you would do for hosts : -l PerfSetup