When planning to perform a customer WLAN site survey, which three components and tasks should be considered? (Choose three.)

When planning to perform a customer WLAN site survey, which three components and tasks should be considered? (Choose three.)
A . Schedule a meeting with the customer to discuss the Statement of Work
B . Complete the Pre-Survey Customer Questionnaire
C . Schedule customer end user interviews
D . Consider travel, access, and equipment requirements necessary to perform the site survey
E . Schedule initial customer meeting and pre-survey walkthrough events
F . Determine radio spectrum and channel allocation
G . Determine AP and controller placement
H . Determine customer training requirements

Answer: BDE