What is a Record Type? Select the right choice

Which of the following can be used to create a back up of data from Salesforce?

Sales representatives at Universal Containers often schedule in -person meetings at customer offices. Management wants to track activities for this meeting category to clearly display customer office meetings In the Account, Contact, or Opportunity page layouts, as well as adding this data to reports.
Which method should a System Administrator use to solve this business request?

The administrator at DreamHouse Realty added an email quick action to the Case page layout and is unable to see the action on the case feed.
Which feature must be enabled to ensure the quick action will be displayed as expected?

Multiple Approvers have received your request for approving a discount that was invoked by the approval process? Approver A rejects your request. Approver B accepts your request after Approver A rejects it. Is your request approved or denied. (Assume you need only one person to approve out of all the approvers)