The org-wide default sharing for a service appointment is set to be private If service appointment is cancelled, which users will have visibility to record?

Universal containers wants to assign service appointments based on the polygon of the child service Territory in the hierarchy.
How should a consultant assign service appointments to the polygon?

Service resources at universal container UC frequently work in more than one service territory the current scheduling policy looks only at primary territory while us still want to optimizer to use the service resource primary when scheduling, UC also wants the scheduling policy to look at the resources secondary services territory Which two scheduling policy changes should a consultant recommend?
Choose 2 answers

Universal Containers wants to schedule deliveries using Salesforce Field Service. Each delivery requires that an installation and safety inspection be performed by different Technicians during the same day. The safety inspection needs to be executed after the installation is complete.
How should the Consultant use Complex Work to meet this requirement?

One of the products sold by Universal Containers requires quarterly service appointments.
Which feature should a Consultant use to meet this requirement?