CAN Lecture 5

What is the wavelength range of Infrared wireless technology?

• 1mm - 10mm

• 10mm - 100mm

• 700nm - 1mm

• 400nm - 700nm

Which IEEE standard introduced OFDM and 2.4 GHz for wireless networks?

• 802.11g

• 802.11b

• 802.11n

• 802.11a

What does FDM stand for in the context of wireless communication?

• Forward Data Modulation

• Full Duplex Mode

• Fast Data Management

• Frequency Division Multiplexing

What is the primary purpose of IEEE 802.11ac standard?

• To reduce power consumption

• To enhance security protocols

• To increase the range of WiFi signals

• To improve throughput in high-density WiFi areas

What is the maximum bandwidth per channel for Bluetooth technology?

• 1 MHz

• 320 KHz

• 2 MHz

• 500 KHz

What is the range of Bluetooth technology?

• 1m

• 10m

• 100m

• 1000m

What is the purpose of a repeater in a network?

• To improve network performance

• To pass on bits

• To extend the range of the network

• To filter frames based on destination address

What is the function of a bridge in a network?

• To filter frames based on destination address

• To improve network performance

• To pass on frames

• To extend the range of the network

What is the primary advantage of using a switch in a LAN?

• Forms a bottleneck

• Introduces delay

• Improves network performance

• Extends the range of the network

What is the main purpose of a router in a network?

• To pass on bits

• To extend the range of the network

• To connect different networks together

• To filter frames based on destination address