Universal Containers (UC) is working on a major project and has determined that its approach to a certain feature will no longer work with an upcoming Salesforce platform release (e.g., Winter to Spring).What should a Technical Architect recommend to address this issue?

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?
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Universal Containers (UC) is using custom metadata types to control the behavior of a few of the custom functionalities. UC wants to Deploy custom metadata types to production using Metadata API.
Which two data types does UC need to include?
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Universal Containers is a global organization that maintains regional production instances of Salesforce. One region has created a new application to track shipping containers.
The CIO has requested that this new application be used globally by all the Salesforce instances and further maintained and modified regionally by local administrators.
Which two deployment tools will support the request?
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What is the responsibility of the Technical Architect within a Change Control Board meeting?