What are two reason to create an unmanaged package? Choose 2 answers

The Director of Customer Service wants to know when agents are overwhelmed with high-priority items in the support queue. The Director wants to receive a notification when a new case is open with the status of "New" for more than four business hours. Which automation process could be used to accomplish this? Choose 2 answers

What is true about a junction object?

ABC Company has a workflow on opportunity that will change the status field to "In Progress" when the Stage field is changed "Negotiation." In addition, there is a validation rule on Status that will prevent the status being set to "In Progress" if the amount of the opportunity is less than $10,000. A user named Frank does not have FLS to see status.
When Frank changes opportunities to a stage of "Negotiation" the status is still being changed to "In Progress", why is this occurring?

What external relationship requires a Salesforce ID in the external data?