SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. The speed of an RF signal in a vaccum
Phase Shift Keying (PSK)
speed of light
phase
attenuate
2. The fluctuation of voltagein an AC current - AKA Cycling. Single change from up to down -or from positive to negative to positive.
speed of light
ITU-R
oscilation
carrier signal
3. Is an alternating current (AC)that continuously chaanges b/wa possitive and negative voltage.
oscilation
RF signal
phase
aperture
4. 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
ITU-R
IEEE
Phase Shift Keying (PSK)
Wi-Fi Alliance
5. In terms of CWNA it means the loss of signal strength.
aperture
ITU-R
attenuate
Frequency Shift Keying (FSK)
6. Global hierarchy that maintains a database for worldwide frequency assignments and coordinates spectrum management through five administrative regions
RF signal
oscilation
ITU-R
ISO
7. 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
wavelength
electromagnetic (EM) spectrum
frequency
Frequency Shift Keying (FSK)
8. The distance that a single cycle RF wave travels.
RF signal
IEEE
wavelength
ISO
9. Method of manipulating a signal so that it can represent multiple pieces of data. It's what changes a signal into a carrier signal.
keying method
waveform
aperture
wavelength
10. Height - force - or power of a wave
Phase Shift Keying (PSK)
amplitude
Federal Communications Commission (FCC)
carrier signal
11. 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)
frequency
wavelength
speed of light
12. Varies the height of a signal to represent binary data. A current state technique.
attenuate
Amplitude Shift Keying (ASK)
(I
IEEE
13. Effective area for receiving power (catching signals)
attenuate
aperture
ITU-R
carrier signal
14. 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
wavelength
electromagnetic (EM) spectrum
IEEE
RF signal
15. Shape and form of the AC signal
electromagnetic (EM) spectrum
waveform
attenuate
wavelength
16. A current state technique. one frequency can represent a 0 bit and another frequency can represent a 1 bit
IEEE
Frequency Shift Keying (FSK)
Amplitude Shift Keying (ASK)
attenuate
17. Independent United States agency that regulates communications to and from the United States. Regulates radio signals that are used for wireless networking
wavelength
carrier signal
Federal Communications Commission (FCC)
amplitude
18. 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
Frequency Shift Keying (FSK)
speed of light
Amplitude Shift Keying (ASK)
19. Range of all possible electromagnetic radiation
electromagnetic (EM) spectrum
wavelength
carrier signal
modulation
20. The relationship between two waves with the same frequency
ITU-R
aperture
Wi-Fi Alliance
phase
21. The manipulation of a signal so that the receiving station has a way of distinguishing 0s and 1s
keying method
modulation
frequency
amplitude
22. A modulated signal that is capable of distinguishing between 0s and 1s
carrier signal
electromagnetic (EM) spectrum
modulation
Wi-Fi Alliance
23. Wavelength=speed of light(constant)/Frequency.
Federal Communications Commission (FCC)
oscilation
(I
aperture
24. Developed Open Systems Interconnection (OSI) model
Frequency Shift Keying (FSK)
ISO
keying method
wavelength