Which Two Options Describe Best Practices That Must Be Completed

Multiple Choice

Which two options describe best practices that must be completed after a wireless installation is finished? (Choose two.)

A) Make sure that there are no spaces between the devices on the rack that the Wireless Lan Controller is installed.
B) Consult with the customer to ensure that the IT staff has a complete set of design and installation documents.
C) Make sure the customer is aware that they should consider purchasing a support contract immediately after the installation is complete.
D) Spend time with the customer to show them the controller GUI and inform them how they can reach the Cisco TAC if they have any problems.
E) Test all the customer's wireless devices and applications to ensure they are working properly.