CWS 802.11 Standards and Protocols Questions and Answers

Question 1

A network administrator is designing a wireless network for a small office that has many cordless phones and microwave ovens, which are known to cause interference in the 2.4 GHz band.
To minimize the impact of this interference, which 802.11 standard should be exclusively used?

Accepted Answer

802.11a

Answer

802.11b

Answer

802.11g

Answer

802.11n (2.4 GHz band)

Question 2

Which of the following 802.11 amendments introduced Multiple-Input Multiple-Output (MIMO) technology, significantly increasing throughput by using multiple antennas to transmit and receive data simultaneously?

Accepted Answer

802.11n

Answer

802.11g

Answer

802.11a

Answer

802.11b

Question 3

An organization wants to upgrade its wireless network to support the highest possible data rates and the latest security protocol, WPA3. Which Wi-Fi generation, also known as an IEEE 802.11 standard, should they implement?

Accepted Answer

Wi-Fi 6 (802.11ax)

Answer

Wi-Fi 4 (802.11n)

Answer

Wi-Fi 5 (802.11ac)

Answer

Wi-Fi 3 (802.11g)

Question 4

What is the primary function of the 802.11e amendment?

Accepted Answer

To introduce Quality of Service (QoS) enhancements.

Answer

To provide enhanced security mechanisms.

Answer

To define higher data transmission rates.

Answer

To enable mesh networking capabilities.

Question 5

A user's laptop, which supports 802.11g, is connecting to an 802.11b access point. What is the MAXIMUM data rate the user can expect to achieve?

Accepted Answer

11 Mbps

Answer

54 Mbps

Answer

600 Mbps

Answer

2 Mbps

Question 6

Which of the following is a key feature of the 802.11ac standard that distinguishes it from 802.11n?

Accepted Answer

Exclusive operation in the 5 GHz band

Answer

Operation in the 2.4 GHz band

Answer

Mandatory support for WPA3 security

Answer

Introduction of OFDM modulation

A network administrator is designing a wireless network for a small office that has many cordless phones and microwave ovens, which are known to cause interference in the 2.4 GHz band.To minimize the impact of this interference, which 802.11 standard should be exclusively used?

A network administrator is designing a wireless network for a small office that has many cordless phones and microwave ovens, which are known to cause interference in the 2.4 GHz band.
To minimize the impact of this interference, which 802.11 standard should be exclusively used?