Wireless interview questions part 9
Wireless interview questions part 9
Take as many assements as you can to improve your validate your skill rating
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
