Câu 17: CWNA-109: Certified Wireless Network Administrator

You are a small business wireless network consultant and provide WLAN services for various companies. You receive a call from one of your customers stating that their laptop computers suddenly started experiencing much slower data transfers while connected to the WLAN. This company is located in a multi-tenant office building and the WLAN was designed to support laptops, tablets and mobile phones. What could cause a sudden change in performance for the laptop computers?

1. A. A few of your customer's users have Bluetooth enabled wireless headsets.
2. B. A new tenant in the building has set their AP to the same RF channel that your customer is using. — đáp án hiện tại
3. C. The sky was not as cloudy that day as it typically is and the sun also radiates electromagnetic waves.
4. D. The antennas in the laptops have been repositioned.