Review Questions Solutions_Ch06

Review Questions Solutions_Ch06 - Review Questions...

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Review Questions Solutions Chapter 6 1. What is the lowest layer of the OSI model at which wired and wireless transmissions share the same protocols? B. Layer 3 2. Which three wireless transmission types require a clear LOS to function? C. WiFi 3. Which Bluetooth class has the highest power output? A. Class 1 4. A hacker takes advantage of a Bluetooth connection to send a virus to a user’s phone. What kind of security breach has occurred? B. Bluejacking 5. A user swipes her smartphone across a tag on a poster to obtain showtimes for a movie she wants to see later that evening. What wireless technology transmitted the data? C. NFC 6. A student has completed his part of a group research paper, and needs to share it with a classmate. He sees the classmate as they’re crossing the parking lot between classes. Which WLAN architecture could they use to transfer the file from one laptop to the other? A. Ad hoc 7. Which 802.11 standard can be used in both the 2.4-GHz and the 5-GHz bands?
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