What is a user case for validation rules?

All contact's mailing post code should match the account shipping postal code.How to do it?

Universal Containers has deployed custom tabs to Production via changes sets, without including the profile settings or permission sets.
What is the settings for the visibility of custom tabs?

An app builder wants to limit the amount of fields users are required to fill out when creating a new Opportunity. Once they fill out the required fields and save, the full record page with additional fields relevant to the Opportunity type becomes available.
How could this be accomplished?

What metadata changes can be made directly in a production environment without deploying from sandbox? Choose 2 answers