Description UNFORMATTED ATTACHMENT PREVIEW Chapter 5 Review Questions 1. A Bluetooth channel consis ...

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Description UNFORMATTED ATTACHMENT PREVIEW Chapter 5 Review Questions 1. A Bluetooth channel consists of ____________. a. b. c. d. a specific frequency channel an IEEE 802.15.1 channel a hopping sequence including up to 79 frequencies a frequency range that the signal spreads across 2. Which of the following is not an example of a Bluetooth communication? a. b. c. d. smartphone phone to headset laptop computer to smartphone hard drive to memory laptop computer to GPS 3. Which of the following is not a feature of Bluetooth? a. b. c. d. power-saving master and slave changing roles slave authenticates master asymmetric transmission 4. What is the name of the organization that develops and promotes Bluetooth products and consists of over 14,000 hardware and software vendors? a. b. c. d. Bluetooth SIG IEEE 802.15.1 Task Group Bluetooth TIA Bluetooth Standards Organization 5. The lower layers of a Bluetooth WPAN protocol stack are implemented in the ____________. a. b. c. d. software hardware IR data link layer 6. At the lowest level of the Bluetooth protocol stack is the ____________ layer. a. b. c. d. RF L2CAP TCP/IP Link Manager 7. Which of the following is a feature of WPAN devices? a. b. c. d. They can transmit signals at a great distance. They are usually small and can operate on batteries. They transmit signals that do not penetrate walls. Their users cannot roam. 8. The ____________ is when ZigBee devices have time reserved for priority transmissions. a. b. c. d. contention access period GTS beacon period time synchronization period 9. Which method of Bluetooth transmission uses two different frequencies to indicate whether the bit is a 1 or a 0? a. b. c. d. DSSS FHSS GFSK DPSK 10. The amount that the Bluetooth frequency varies, which is between 280 KHz and 350 KHz, is called the ____________. a. b. c. d. direct sequence modulation index hopping sequence i-phase 11. Bluetooth divides the 2.4 GHz frequency into 79 frequencies that are spaced how far apart? a. 5 MHz b. 22 MHz c. 11 MHz d. 1 MHz 12. A ZigBee coordinator cannot allocate guaranteed time slots for devices to transmit data. True or False? 13. Bluetooth has seven different power classes. True or False? 14. Objects (such as walls) and interference from other sources do not usually affect the range of Bluetooth transmissions. True or False? 15. Bluetooth devices are usually small and mobile, so conserving power is necessary. True or False? 16. What is the maximum data-transmission rate in ZigBee WPANs? a. b. c. d. 2 Mbps 721 Kbps 250 Kbps 40 Kbps 17. Which frequency band(s) can ZigBee networks utilize? a. b. c. d. e. ISM U-NII 3.1 GHz 60 GHz All of the above 18. Which of the following topologies are supported by ZigBee? a. b. c. d. scatternet and SCO tree, star, and mesh inverted tree and ACL piconet and master/slave 19. Which of the following topologies are supported by Bluetooth? a. b. c. d. scatternet and piconet ACL and SCO WMAN and WLAN star and cluster tree 20. What type of security is provided for in the ZigBee specification? a. b. c. d. e. encryption MIC short-range communications ACLs All of the above Purchase answer to see full attachment Explanation & Answer: 20 Questions User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.