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Recruiters at Universal Containers want to associate positions with their related job applications using two custom objects - Position and Job Application. A job application must always have a related position. If a position is deleted, the corresponding job applications are deleted.
Which type of object relationship will meet this requirement?

Universal Containers wants to use an external Web Service provided by a third-party vendor to validate that shipping and billing addresses are correct. The current vendor uses basic password authentication, but Universal Containers might switch to a different vendor who uses OAuth.
What would allow Universal Containers to switch vendors without updating the code to handle authentication?

Which two fields are used to calculate priority on an Incident?

Which of these are considered configuration base items? (Choose three.)