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

What sandbox type would be appropriate for diagnosing reports of poor performance when accessing certain Visualforce pages?

Ursa Major Solar (UMS) has used Aura components significantly in its Salesforce application development. UMS has established a robust test framework and the development team follows the Salesforce recommended testing practices. UMS team uses Salesforce's test tool To check for common accessibility issues.
In which two environments the UMS team can call Aura accessibility tests?
Choose 2 answers

Universal Containers has recently acquired another business that uses Salesforce extensively. UC wants to merge their Salesforce Orgs to effectively sell and service customer under one business. Traditionally, UC has followed an agile development methodology to deliver Salesforce functionality. With the merging businesses, UC is convinced that adopting a Waterfall development methodology is the best approach. Which are two positive aspects of using a Waterfall development methodology?

Universal Containers is adopting Scrum as an agile methodology and wants to choose a software tool to support the adoption.
What three key features of an agile development support tool should an architect look for? (Choose three.)