| Snaprecruit.com

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Total Questions: 20

1. Which one of the IEEE 802 committees is tasked with the development of security standards?

Correct Answer is : 802.1

2. __________ Coordination Function is a mandatory part of the MAC function in 802.11 and it operates much like the CSMA/CA protocol.

Correct Answer is : Distrubuted

3. __________ scanning allows a wireless NIC to connect to an access point without needing to wait for a beacon from the access points within its range.

Correct Answer is : Active

4. In __________ authentication, the access point authenticates any device with the correct Service Set Identifier (SSID).

Correct Answer is : Open Systems

5. The __________ task group is currently defining security improvements for the 802.11x wireless standards.

Correct Answer is : 802.11i

6. __________ is a modulation method that varies the phase of the transmitted signal.

Correct Answer is : Phase-Shift Key

7. Which of the following angle is not an available angle for the four-phase modulation?

Correct Answer is : 135

8. Which one of the following is not an example of RF modulation?

Correct Answer is : Wave modulation

9. In infrastructure mode, all the wireless stations on the WLAN communicate directly and only with an access point to create a __________ Service Set.

Correct Answer is : Basic

10. IEEE 802.11b ad-hoc networks are formed on an __________ Service Set or the equivalent of a peer-to-peer wireless network.

Correct Answer is : Independent Basic

11. __________ divides a 20 MHz RF channel into 48 narrowband sub-channels, and then splits a data signal into 48 separate carriers, one on each subchannel.

Correct Answer is : OFDM

12. __________ diffusion is a transmission method that bounces IR light beams off of ceilings and walls to support connectivity within a single room or small office.

Correct Answer is : Optical

13. The __________ frequencies of IR transmissions aren't susceptible to RF interference.

Correct Answer is : THz

14. What is the acronym used for a network that provides a communication connection between devices in a home?

Correct Answer is : HAN

15. What is the RF communications standard that can organize up to 8 devices into a piconet?What is the RF communications standard that can organize up to 8 devices into a piconet?

Correct Answer is : Bluetooth

16. Which of the IEEE 802 standards defines the technologies used to form and manage personal area networks?

Correct Answer is : 802.15

17. Which of the following acronyms is used in reference to a personal area network that employs wireless communications technology?

Correct Answer is : WPAN

18. Which of the following is Bluetooth's Physical layer?

Correct Answer is : Baseband

19. Which Bluetooth protocol performs link setup, authentication, link configuration, and the discovery of other Bluetooth devices?

Correct Answer is : LMP

20. Which Layer 2 Bluetooth protocol that provides connection-oriented and connectionless data services?

Correct Answer is : L2CAP