Network Security Questions and Answers – IEEE 802.11 WLAN – I

This set of Network Security online quiz focuses on “IEEE 802.11 WLAN – I”.

1. Which layer in the IEEE 802.11 protocol stack has the function of flow control and error control?
a) Physical Layer
b) Logic Link Control Layer
c) Medium Access Layer
d) None of the mentioned
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2. With respect to IEEE 802.11 Wireless LAN, MSDU stands for-
a) MAC service data unit.
b) Main server data user
c) Multiframe service datagram usage
d) MAC server device usage
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3. Frequency band definition and Wireless signal encoding are functions of which layer?
a) Physical Layer
b) Logic Link Control Layer
c) Medium Access Layer
d) None of the mentioned
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4. The correct order of the of the MAC header is-
a) MAC Control, Destination MAC Address, Source MAC Address
b) Destination MAC Address, Source MAC Address, MAC Control
c) Source MAC Address, Destination MAC Address, MAC Control
d) none of the mentioned
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5. CRC is a component of the MAC trailer.
a) True
b) False
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6. Reliable data delivery and Wireless access control protocols are functions of which layer?
a) Physical Layer
b) Logic Link Control Layer
c) Medium Access Layer
d) None of the mentioned
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7. Which layer keeps track of the frames that have been transmitted and received?
a) Physical Layer
b) Logic Link Control Layer
c) Medium Access Layer
d) None of the mentioned
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8. The smallest building block of a wireless LAN is –
a) Unit server set
b) Unit service set
c) Basic server set
d) Basic service set
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9. In an IBSS system all communications are done via access points (APs).
a) True
b) False
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