Supervisors at Universal Containers have read access to Contacts through their profiles. Sales reps have a separate profile that allows them to edit Contacts. Some sales reps are attending a conference for a week and supervisors will need to fill in to update Contact details while they are out.
How should an administrator grant proper access to the supervisors?

Universal Containers (UC) would like to count the number of open cases associated with each Account and update the Account with this value every Friday evening. UC has several hundred open cases at any given time.
What should the administrator use to complete this request?

An administrator at Universal Containers has been asked to prevent users from accessing Salesforce from outside of their network.
What are two considerations for this configuration? Choose 2 answers

The sales operations team ta Universal Containers purchase a list of shipping companies they would like to be imported into the Salesforce org ... import Wizard. Some companies on the list may already be customers.
Which fields should administrator use to prevent duplicates when importing these Account records?

An administrator has been asked to change the data type of an auto number to a text field.
What should the administrator be aware of before changing the field?