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Wireless Certification
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Wireless Certification
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25 Questions

1. The weather and future ____ should be considered when erecting a 2.4GHz WLAN outside antenna.

2. Data modulation methods in DSSS systems are BPSK and ____.

3. Yagi and Patch antennas are examples of ____-directional antennas.

4. Bluetooth uses a type of data modulation called ____.

5. The Fresnel Zone must be at least __% cleared of obstructions.

6. The two RF spread spectrum technologies in the IEEE 802.11 standard is FHSS and ____.

7. Before going to sleep - a wireless station must notify the ____ of its intention to sleep.

8. Part of the roaming process involves Implementing Mobile IP - Active Scanning - and ____ Scanning.

9. WEP keys are also known as ____ Secrets.

10. A gain of +3dB yieds a power ratio of __.

11. Body of water - flat stretch of earth - and metal roofs are considered to be smooth surfaces that can cause ____path.

12. The spread spectrum FHSS exhibits resistance to narrowband __ interference by design.

13. Dipole antennas are ____-directional antennas.

14. ____ is the data modulation method used in FHSS.

15. The ____ node problem can be caused by interfering obstacles between clients.

16. ____ System Authentication is a secure method of client device authentication onto a WLAN.

17. In Infrastructure mode a single access point (AP) together with all associated stations (STAs) is called a ____.

18. With 802.11 it is possible to create an ad-hoc network of client devices without a controlling Access Point called an ____ - in which case the SSID is chosen by the client device that starts the network - and broadcasting of the SSID is performed in

19. The 802.11 standard contains 2.4 GHz FHSS - 2.4 GHz DSSS - and ____.

20. The two types of WLAN scanning are active scanning and ____ scanning.

21. WLAN client-side devices use the security features EAP and ____.

22. A change in the direction and intensity of a group of waves after passing by an obstacle or the bending of waves around an object is referred to as ____.

23. A sequence of hops in a FHSS system is referred to as a ____.

24. An ____ is a set of one or more interconnected BSSs and integrated local area networks (LANs) that appear as a single BSS to the logical link control layer at any station associated with one of those BSSs.

25. DSSS systems support a maximum of __ APs in a co-located environment.

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