CN chapter 3 - Additional questions

What is the primary function of a Wireless Access Point (AP)?

• To connect wired and wireless networks

• To amplify wireless signals

• To serve as a central communication point for wireless users

• To provide internet access only

Which of the following is NOT a benefit of WLAN?

• A) Mobility

• B) Easier network modification

• C) Requires extensive cabling

• D) Greater reliability

What does the term 'Multi-Path Fading' refer to in WLAN?

• Loss of connection due to distance

• Signal degradation due to multiple signal paths

• Interference from other devices

• A method of increasing bandwidth

Which IEEE 802.11 standard operates in both the 2.4 GHz and 5 GHz bands?

• 802.11g

• 802.11n

• 802.11ac

• 802.11b

What is the maximum data rate of IEEE 802.11ac?

• 54 Mbps

• 600 Mbps

• 6.93 Gbps

• 1 Gbps

In the context of WLAN, what does 'Roaming' mean?

• The ability to connect to multiple networks

• The ability to move between BSSs without losing connectivity

• The process of connecting to a wired network

• The ability to use multiple devices simultaneously

What is the role of the Distribution System (DS) in a WLAN?

• To connect devices to the internet

• To provide wired interconnections between Access Points

• To enhance wireless signal strength

• To manage user authentication

Which layer of the IEEE 802 reference model is responsible for data link control?

• Logical Link Control (LLC)

• Medium Access Control (MAC)

• Physical Layer

• Network Layer

What technique does IEEE 802.11n use to improve data transmission?

• Frequency Hopping

• MIMO (Multiple Input Multiple Output)

• Time Division Multiplexing

• Direct Sequence Spread Spectrum

In a Basic Service Set (BSS), how do stations communicate?

• Directly with each other

• Through an Access Point

• Using a wired connection

• Via a Distribution System