You are preparing to migrate content from your SharePoint Server 2016 farm to a new location. All content is hosted within a single web application across 150 site collections.
You have the following requirements:
• Users must be able to view existing content during the migration, but must not make changes.
• You must minimize the amount of time that the migration takes.
• You must return all access rights to their previous state once migration is complete.
You need to configure the SharePoint site collections.
What should you configure?
A. an information management policy
B. privacy options
C. Read only access for content
D. alternate access mappings
E. a user policy
