Scenario: A Citrix Engineer created four application layers with different applications at different time stamps as shown below:
App Layer A - Microsoft Office Professional - 15/08/2019, 14:28
App Layer B - Adobe Acrobat Reader and Cisco Webex - 14/07/2019, 11:45
App Layer C - Active Directory Users&; Computers, Citrix Studio -
20/08/2019, 16:10
App Layer D - Google Chrome and GoToMeeting - 27/07/2019, 10:35
Which layer would hold the highest priority in this scenario?