CIT 345 Final Exam (Actual Exam 2026) | Complete
Questions and Correct Answers | Verified Answers |
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802.11 technology is typically deployed at which fundamental layer of
networkarchitecture? - (ANSWER)C. Access
Which organization is responsible for enforcing maximum transmit power rules in
an unlicensed frequency band? - (ANSWER)E. None of the above
802.11 wireless bridge links are typically associated with which network
architecture layer? - (ANSWER)A. Core
The 802.11-2007 standard was created by which organization? - (ANSWER)A. IEEE
What organization ensures interoperability of WLAN products? - (ANSWER)D. Wi-
Fi Alliance
What type of signal is required to carry data? - (ANSWER)C. Carrier signal
Which keying method is most susceptible to interference from noise? -
(ANSWER)B. ASK
, 2
Which sublayer of the OSI model's Data-Link layer is used for communication
between 802.11 radios? - (ANSWER)C. MAC
While performing some research Janie comes across a reference to a document
titled RFC3935. Which of the following organization's website would be best to
further research this document? - (ANSWER)E. IETF
The Wi-Fi Alliance is responsible for which of the following certification programs?
- (ANSWER)D. WMM
Which wave properties can be modulated to encode data? (Choose all that apply.)
- (ANSWER)A. Amplitude B. Frequency C. Phase
The IEEE 802.11-2007 standard defines communication mechanisms at which
layers of the OSI model? (Choose all that apply.) - (ANSWER)B. Physical E. Data-
Link
The height or power of a wave is known as what? - (ANSWER)C. Amplitude
, 3
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?, - (ANSWER)B. Wi-Fi Direct
A modulated signal capable of carrying data is known as what? - (ANSWER)D.
Carrier signal
Which of the following wireless communications parameters and usage are
typically governed by a local regulatory authority? (Choose all that apply.) -
(ANSWER)A. Frequency B. Bandwidth C. Maximum transmit power D. Maximum
EIRP E. Indoor/outdoor usage
The Wi-Fi Alliance is responsible for which of the following certification programs?
- (ANSWER)B. Voice Personal E. WMM-PS
A wave is divided into degrees. How many degrees make up a complete wave? -
(ANSWER)D. 360
, 4
What are the advantages of using unlicensed frequency bands for RF
transmissions? (Choose all that apply.) - (ANSWER)B. There is no additional
financial cost. C. Anyone can use the frequency band.
The OSI model consists of how many layers? - (ANSWER)C. Seven
What are some results of multipath interference? (Choose all that apply.) -
(ANSWER)B. Upfade C. Excessive retransmissions
What term best defines the linear distance traveled in one positive-to-negative-
to-positive oscillation of an electromagnetic signal? - (ANSWER)D.Wavelength
Which of the following statements are true about amplification? (Choose all that
apply.) - (ANSWER)B. RF amplifiers require an outside power source. C. Antennas
are passive gain amplifiers that focus the energy of a signal in one direction. E.
Signal strength may passively increase because of multipath upfade.
A standard measurement of frequency is called what? - (ANSWER)A. Hertz