Multiple Choice Questions & Answers on IEEE 802

Multiple Choice Questions & Answers on IEEE 802

1. IEEE 802.15.4 standard has ______ channels are in the 915MHz ISM band.
a) 1
b) 10
c) 16
d) 24
Answer: 10

2. IEEE has defined the specifications for a wireless LAN called __________, which covers the physical and data link layers.
a) ieee 802.3
b) ieee 802.5
c) ieee 802.11
d) ieee 802.2
Answer: ieee 802.11

3. In IEEE 802.11, a ________ is made of stationary or mobile wireless stations and an optional central base station, known as the access point (AP).
a) ess
b) bss
c) css
d) none of the above
Answer: bss

4. Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?
a) cdma
b) cdma/cd
c) cdma/ca
d) none of the above
Answer: cdma/ca

5. Which one of the IEEE 802 committees is tasked with the development of security standards?
a) 802.1
b) 802.16
c) 802.15
d) 802.11
Answer: 802.1

6. Which of the IEEE 802 standards defines the technologies used to form and manage personal area networks?
a) 802.16
b) 802.11
c) 802.3
d) 802.15
Answer: 802.15

7. What is the term used to represent the IEEE 802.11 layer that controls access to the medium?
a) wlan
b) phy
c) mac
d) bss 
Answer: mac

8. Which of the following is not the job of IEEE 802.15.4 PHY standard
a) packet generation
b) packet reception
c) channel acquisition
d) power management
Answer: channel acquisition

9. Which of the following is not the job of IEEE 802.15.4 MAC standard
a) channel acquisition
b) data transparency
c) nic address
d) error correction
Answer: data transparency

10. IEEE 802.15.4 standard is used with
a) Zigbee
b) Rubee
c) Wibree
d) Z-wave
Answer: Zigbee

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