Your company has a private cloud that contains a System Center 2012 Service Manager infrastructure. You
need to create a service level objective (SLO) for incidents that have a priority value of 1. What should you
create first?

A.
a service template

B.
a queue

C.
a channel

D.
a rule

Explanation:
https://technet.microsoft.com/en-us/system-center-docs/sm/manage/how-to-create-a-service-level-objective
https://technet.microsoft.com/en-us/system-center-docs/sm/manage/using-groups,-queues,-and-lists-insystem-center-2016—service-manager