802.11 types (Wi-Fi)

802.11 types (Wi-Fi)

University

8 Qs

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802.11 types (Wi-Fi)

802.11 types (Wi-Fi)

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

M Ouedraogo

Used 4+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most common frequency band used by 802.11 Wi-Fi networks?

A) 2.4 GHz

B) 5 GHz

C) 1.5 GHz

D) 3.0 GHz

Answer explanation

The 2.4 GHz frequency band is commonly used for 802.11 Wi-Fi networks.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which 802.11 standard operates exclusively in the 5 GHz frequency band?

A) 802.11a

B) 802.11b

C) 802.11g

D) 802.11n

Answer explanation

802.11a operates in the 5 GHz band.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum theoretical data rate of 802.11b Wi-Fi?

A) 11 Mbps

B) 54 Mbps

C) 150 Mbps

D) 600 Mbps

Answer explanation

802.11b has a maximum data rate of 11 Mbps.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which 802.11 standard introduced Multiple Input Multiple Output (MIMO) technology for improved performance?

A) 802.11a

B) 802.11g

C) 802.11n

D) 802.11ac

Answer explanation

802.11n introduced MIMO for better throughput and coverage.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary advantage of 802.11ac over its predecessors?

A) Higher data rates

B) Better security

C) Lower power consumption

D) Longer range

Answer explanation

802.11ac offers higher data rates compared to previous standards.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which 802.11 standard introduced the use of the 5 GHz frequency band and backward compatibility with 802.11b?

A) 802.11a

B) 802.11g

C) 802.11n

D) 802.11ac

Answer explanation

802.11g operates in the 2.4 GHz band and introduced backward compatibility with 802.11b.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the 802.11i standard?

A) Improved data rates

B) Enhanced security (WPA2)

C) Extended range

D) Better interference mitigation

Answer explanation

802.11i introduced enhanced security features, including WPA2.

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