Universal Containers has decided on a single-org strategy, despite having to deal with the complexity of having multiple lines of business (LOBs) inside a single org.
What are two common challenges in single-org strategy for multiple LOBs? (Choose two.)

Product owners at Universal Containers want to ensure that all the requirements have test cases associated with them so that no functionality is left untested during user acceptance testing.
What project artifact can help meet the needs of the business?

All AppExchange products are subject to Salesforce security reviews.
What is the most common reason that the prospect AppExchange products fail the security review?

Universal Containers CUC) has developed extensions of Salesforce Service Cloud for the use of its customer service teams using the change set development model.
Recently, UC acquired a company that develops extensions of an AppExchange app. The development team of the acquired company uses the org development model. The Universal Containers CTO wants both teams to work on a single org and follow the same set of processes.
Which development model should the architect recommend to be used by the consolidated development team?

Which are two key benefits of fully integrating an agile issue tracker with software testing and continuous integration tools? Choose 2 answers?