What are three best practices that should be used when deploying Salesforce functionality to production? Choose 3 answers

Universal Containers requires a scheduling solution that will allow Managers to coordinate service engineers across multiple Territories.
What solution should a consultant recommend?

Universal Container's customers like speaking to a live support agent on complex product issues. This causes a heavy amount of phone calls and customers complain about the hold time.
What functionality should the consultant recommend implementing to resolve this issue?

Universal Containers plans to migrate its existing knowledge base into Salesforce Lightning Knowledge. Which three statements should be considered?
Choose 3 answers

Field engineers often need to access current inventory levels of products the customer has purchased while at customer sites.
Which solution should a Consultant recommend to meet this requirement?