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Test your basic knowledge |
CWNA Vocab
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
cwna
Instructions:
Answer 24 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Is an alternating current (AC)that continuously chaanges b/wa possitive and negative voltage.
amplitude
RF signal
electromagnetic (EM) spectrum
Wi-Fi Alliance
2. The speed of an RF signal in a vaccum
ISO
ITU-R
phase
speed of light
3. Method of manipulating a signal so that it can represent multiple pieces of data. It's what changes a signal into a carrier signal.
Amplitude Shift Keying (ASK)
keying method
oscilation
waveform
4. The fluctuation of voltagein an AC current - AKA Cycling. Single change from up to down -or from positive to negative to positive.
waveform
oscilation
attenuate
Phase Shift Keying (PSK)
5. Shape and form of the AC signal
RF signal
waveform
speed of light
Federal Communications Commission (FCC)
6. Best known for LAN standards. Mission is to 'promote the engineering process of creating - developing - integrating - sharing - and applying knowledge about electro and information technologies and sciences for the benefit of humanity and the profess
IEEE
waveform
(I
Phase Shift Keying (PSK)
7. Range of all possible electromagnetic radiation
frequency
Phase Shift Keying (PSK)
electromagnetic (EM) spectrum
wavelength
8. Non-profit group devoted to the growth of wireless LANs (WLANs). One of their primary task is to ensure interoperability of WLAN products by providing certification testing
oscilation
Wi-Fi Alliance
modulation
Frequency Shift Keying (FSK)
9. Developed Open Systems Interconnection (OSI) model
wavelength
ISO
speed of light
attenuate
10. Effective area for receiving power (catching signals)
ITU-R
aperture
waveform
RF signal
11. The manipulation of a signal so that the receiving station has a way of distinguishing 0s and 1s
modulation
ISO
carrier signal
wavelength
12. A current state technique. one frequency can represent a 0 bit and another frequency can represent a 1 bit
Wi-Fi Alliance
Federal Communications Commission (FCC)
waveform
Frequency Shift Keying (FSK)
13. Varies the height of a signal to represent binary data. A current state technique.
wavelength
Amplitude Shift Keying (ASK)
(I
amplitude
14. Varies the phase of the signal to represent the binary data. State transition technique. determines the data that is being transmitted. one phase can represent a 0 bit and another phase can represent a 1 bit
Phase Shift Keying (PSK)
modulation
oscilation
(I
15. Independent United States agency that regulates communications to and from the United States. Regulates radio signals that are used for wireless networking
Federal Communications Commission (FCC)
amplitude
Wi-Fi Alliance
carrier signal
16. Wavelength=speed of light(constant)/Frequency.
keying method
phase
(I
aperture
17. A term describing a behavior of waves. How fast the waves travel - or more specifically - how many waves are generated over a 1-second period of time
aperture
frequency
ITU-R
amplitude
18. Global hierarchy that maintains a database for worldwide frequency assignments and coordinates spectrum management through five administrative regions
amplitude
aperture
ITU-R
Wi-Fi Alliance
19. Height - force - or power of a wave
amplitude
(I
carrier signal
attenuate
20. The distance between similar points on two back-to-back waves. Typically measured from the peak of a wave to the peak of the next wave
ISO
ITU-R
phase
wavelength
21. The relationship between two waves with the same frequency
Wi-Fi Alliance
(I
phase
wavelength
22. The distance that a single cycle RF wave travels.
attenuate
ITU-R
amplitude
wavelength
23. In terms of CWNA it means the loss of signal strength.
phase
RF signal
attenuate
Wi-Fi Alliance
24. A modulated signal that is capable of distinguishing between 0s and 1s
carrier signal
Amplitude Shift Keying (ASK)
aperture
Federal Communications Commission (FCC)