ATE6123 Fundamental of Wireless Comm - Topic 4
Authored by Mohamad Alias
Information Technology (IT)
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which IEEE standard is commonly known as Wi-Fi and is still widely used today?
IEEE 802.15
IEEE 802.3
IEEE 802.11
IEEE 802.16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which access method is used at the Data Link Layer in WLANs?
CSMA/CD
TDMA
FDMA
CSMA/CA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an Access Point (AP) do in a wireless LAN?
Acts as a wireless NIC
Modulates data signals
Bridges wireless traffic to a wired LAN
Encrypts WLAN data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the frequency band used by IEEE 802.11b?
5 GHz
2.4 GHz
60 GHz
900 MHz
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the Extended Service Set (ESS) in WLAN architecture?
A single access point and several clients
A peer-to-peer network without an access point
Multiple BSSs connected through a distribution system
A wired Ethernet LAN
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the SSID in a wireless network?
To determine the data rate
To act as a MAC address
To identify the wireless network
To provide a security key
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following techniques is used in passive scanning for wireless clients?
Broadcasting probe frames
Sending RTS/CTS messages
Receiving beacon frames from APs
Hopping across different frequencies
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