An app builder has deployed a change set from a sandbox to production. There is a long delay in the deployment.
What can be causing the delay?

Universal Containers has created two custom objects called Seminars and Attendees. Organization-wide defaults for these objects have been set to Private. Universal Containers wants to set up a new junction object between these custom objects. A select group of users should be able to edit records in the junction object.
Which two steps should an app builder take to configure the proper security? (Choose two.)

Ideally, who should be in charge of logging all changes in production?

An Alexa Skill Builder is using session attributes to maintain a user's state.
What can the Builder do to ensure that a user's session is not lost if they take too long to answer a question and the skill exists?

Sales reps at Universal Containers use Salesforce on their mobile devices. They want a way to odd new contacts quickly and then follow up later to complete the additional Information necessary.
What mobile solution should an App Builder recommend?