This is the Multiple Choice Questions in Chapter 23: Paging and Wireless Data Networking from the book Electronic Communication Systems by Roy Blake
Start Practice Exam Test Questions
Choose the letter of the best answer in each questions.
MULTIPLE CHOICE
1. Pagers use:
- a. the VHF band only
- b. the UHF band only
- c. both the VHF and UHF bands
- d. the VHF band, the UHF band, and the ISM band
ANS: C
2. ISM stands for:
- a. IEEE Standard Message
- b. IEEE Secure Message
- c. Industrial, Scientific, and Messaging
- d. Industrial, Scientific, and Medical
ANS: D
3. CAPCODE is:
- a. an encryption scheme used for pagers
- b. an addressing scheme used for pagers
- c. an error-detection scheme used for pagers
- d. a digital modulation scheme used for pagers
ANS: B
4. In a one-way pager system:
- a. all pages are sent from all transmitters
- b. each transmitting antenna covers a wide area
- c. transmitters use relatively high power
- d. all of the above
ANS: D
5. POCSAG stands for:
- a. Pager Operations Common Standards Advisory Group
- b. Pager Operations Code Standardization Advisory Group
- c. Post Office Code Standardization Advisory Group
- d. Post Office Common Standards Advisory Group
ANS: C
6. A typical pager system does not:
- a. require "handoffs"
- b. allow "roaming"
- c. require error detection
- d. all of the above
ANS: A
7. The IEEE specification covering wireless LANs is:
- a. 802.10
- b. 802.11
- c. 802.12
- d. 802.13
ANS: B
8. The IEEE 802 spec for wireless LANs uses the:
- a. VHF band
- b. UHF band
- c. ISM band
- d. infrared band
ANS: C
9. The IEEE 802 document for wireless LANs specifies the use of:
- a. CSMA/CA
- b. CSMA/CD
- c. CDMA
- d. all of the above
ANS: A
10. BSS stands for:
- a. Basic Service Set
- b. Basic Service System
- c. Bluetooth Service System
- d. none of the above
ANS: A
11. Bluetooth uses:
- a. CDMA
- b. frequency hopping
- c. QPSK
- d. all of the above
ANS: B
12. Bluetooth uses the:
- a. VHF band
- b. UHF band
- c. ISM band
- d. infrared band
ANS: C
13. TDD stands for:
- a. Time-Division Duplex
- b. Time-Delayed Duplex
- c. Time Delay Difference
- d. Total Distance Delay
ANS: A
14. A Bluetooth "piconet" has:
- a. 2 nodes
- b. 2 to 4 nodes
- c. 2 to 8 nodes
- d. 2 to 16 nodes
ANS: C
15. Two or more connected piconets forms a:
- a. micronet
- b. multinet
- c. TDD net
- d. scatternet
ANS: D
16. The basic range of a Bluetooth device is:
- a. 10 cm to 1 meter
- b. 10 cm to 10 meters
- c. 10 cm to 100 meters
- d. within 10 feet
ANS: B
17. IRDA stands for:
- a. Infrared Data Association
- b. Infrared Digital Association
- c. Infrared Restricted Data Area
- d. Infrared Roaming Data Area
ANS: A
18. The range of an IRDA system is:
- a. 1 meter
- b. 10 meters
- c. 1 foot
- d. 10 feet
ANS: A
19. Infrared networks:
- a. cannot penetrate walls
- b. can use diffused infrared beams
- c. can use reflected infrared beams
- d. all of the above
ANS: D
20. The maximum range of a typical wireless modem is:
- a. 1 meter
- b. several meters
- c. several hundred meters
- d. several thousand meters.
ANS: D
COMPLETION
1. Each pager has a unique address called a ____________________.
ANS: capcode
2. Many pagers can share a frequency using ____________________.
ANS: TDMA
3. The POCSAG was devised by the British ____________________ Office.
ANS: Post
4. A POCSAG message uses a ____________________-bit error correction code.
ANS: 10
5. IEEE ____________________ covers wireless LANs.
ANS: 802.11
6. The IEEE document specifies a maximum power of ____________________ for wireless LANs.
ANS: 1 watt
7. Bluetooth uses the ____________________ band.
ANS: ISM
8. A network of 2 to 8 Bluetooth devices is called a ____________________.
ANS: piconet
9. A Bluetooth scatternet consists of 2 or more ____________________.
ANS: piconets
10. An IRDA system is deliberately restricted to a range of ____________________.
ANS: 1 meter
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