CIT 345 final exam
1. 802.11 technology is typically deployed at which fundamental layer of net-
workarchitecture?: C. Access
2. Which organization is responsible for enforcing maximum transmit power
rules in an unlicensed frequency band?: E. None of the above
3. 802.11 wireless bridge links are typically associated with which network archi-
tecture layer?: A. Core
4. The 802.11-2007 standard was created by which organization?: A. IEEE
5. What organization ensures interoperability of WLAN products?: D. Wi-Fi Alliance
6. What type of signal is required to carry data?: C. Carrier signal
7. Which keying method is most susceptible to interference from noise?: B. ASK
,8. Which sublayer of the OSI model's Data-Link layer is used for communication
between 802.11 radios?: C. MAC
9. While performing some research Janie comes across a reference to a docu-
ment titled RFC3935. Which of the following organization's website would be
best to further research this document?: E. IETF
10. The Wi-Fi Alliance is responsible for which of the following certification
programs?: D. WMM
11. Which wave properties can be modulated to encode data? (Choose all that
apply.): A. Amplitude B. Frequency C. Phase
12. The IEEE 802.11-2007 standard defines communication mechanisms at
which layers of the OSI model? (Choose all that apply.): B. Physical E. Data-Link
,13. The height or power of a wave is known as what?: C. Amplitude
14. Samantha received a gaming system as a gift. She would like to have it
communicate with her sister Jennifer's gaming system so that they can play
against each other. Which of the following technologies if deployed in the
two gaming systems, should provide for the easiest configuration of the two
systems to communicate with each other?,: B. Wi-Fi Direct
15. A modulated signal capable of carrying data is known as what?: D. Carrier signal
16. Which of the following wireless communications parameters and usage are
typically governed by a local regulatory authority? (Choose all that apply.): A.
Frequency B. Bandwidth C. Maximum transmit power D. Maximum EIRP E. Indoor/outdoor usage
, 17. The Wi-Fi Alliance is responsible for which of the following certification
programs?: B. Voice Personal E. WMM-PS
18. A wave is divided into degrees. How many degrees make up a complete
wave?: D. 360
19. What are the advantages of using unlicensed frequency bands for RF trans-
missions? (Choose all that apply.): B. There is no additional financial cost. C. Anyone can use the
frequency band.
20. The OSI model consists of how many layers?: C. Seven
21. What are some results of multipath interference? (Choose all that apply.): B.
Upfade C. Excessive retransmissions
22. What term best defines the linear distance traveled in one positive-to-nega-
tive-to-positive oscillation of an electromagnetic signal?: D.Wavelength
1. 802.11 technology is typically deployed at which fundamental layer of net-
workarchitecture?: C. Access
2. Which organization is responsible for enforcing maximum transmit power
rules in an unlicensed frequency band?: E. None of the above
3. 802.11 wireless bridge links are typically associated with which network archi-
tecture layer?: A. Core
4. The 802.11-2007 standard was created by which organization?: A. IEEE
5. What organization ensures interoperability of WLAN products?: D. Wi-Fi Alliance
6. What type of signal is required to carry data?: C. Carrier signal
7. Which keying method is most susceptible to interference from noise?: B. ASK
,8. Which sublayer of the OSI model's Data-Link layer is used for communication
between 802.11 radios?: C. MAC
9. While performing some research Janie comes across a reference to a docu-
ment titled RFC3935. Which of the following organization's website would be
best to further research this document?: E. IETF
10. The Wi-Fi Alliance is responsible for which of the following certification
programs?: D. WMM
11. Which wave properties can be modulated to encode data? (Choose all that
apply.): A. Amplitude B. Frequency C. Phase
12. The IEEE 802.11-2007 standard defines communication mechanisms at
which layers of the OSI model? (Choose all that apply.): B. Physical E. Data-Link
,13. The height or power of a wave is known as what?: C. Amplitude
14. Samantha received a gaming system as a gift. She would like to have it
communicate with her sister Jennifer's gaming system so that they can play
against each other. Which of the following technologies if deployed in the
two gaming systems, should provide for the easiest configuration of the two
systems to communicate with each other?,: B. Wi-Fi Direct
15. A modulated signal capable of carrying data is known as what?: D. Carrier signal
16. Which of the following wireless communications parameters and usage are
typically governed by a local regulatory authority? (Choose all that apply.): A.
Frequency B. Bandwidth C. Maximum transmit power D. Maximum EIRP E. Indoor/outdoor usage
, 17. The Wi-Fi Alliance is responsible for which of the following certification
programs?: B. Voice Personal E. WMM-PS
18. A wave is divided into degrees. How many degrees make up a complete
wave?: D. 360
19. What are the advantages of using unlicensed frequency bands for RF trans-
missions? (Choose all that apply.): B. There is no additional financial cost. C. Anyone can use the
frequency band.
20. The OSI model consists of how many layers?: C. Seven
21. What are some results of multipath interference? (Choose all that apply.): B.
Upfade C. Excessive retransmissions
22. What term best defines the linear distance traveled in one positive-to-nega-
tive-to-positive oscillation of an electromagnetic signal?: D.Wavelength
