Wireless Networking Quiz: Master Wi-Fi & Antennas

1. Which antenna type provides 360-degree coverage in the horizontal plane?

Yagi

Parabolic

Omnidirectional

Patch

2. OFDM (Orthogonal Frequency-Division Multiplexing) is used in which wireless standards?

802.11b only

802.11a, 802.11g, 802.11n, and later

802.11ac only

802.11ax only

3. Which of the following is a characteristic of the 5 GHz frequency band?

Better penetration through walls than 2.4 GHz

More available non-overlapping channels

Longer range than 2.4 GHz

Compatible with older 802.11b devices

Submit

5. What is the maximum theoretical data rate for 802.11n in a single spatial stream?

150 Mbps

300 Mbps

600 Mbps

1 Gbps

6. A site survey is conducted to identify optimal access point placement and RF coverage areas. True or False?

True

False

7. Fading is the variation in signal strength over time due to multipath propagation. True or False?

True

False

8. Which wireless technology operates in the 60 GHz band and is used for short-range high-speed communication?

802.11ac

802.11ad

802.11ax

802.11n

Submit

10. WPA2 uses which encryption algorithm by default?

RC4

AES

DES

MD5

11. Which 802.11 standard operates at 5 GHz and provides speeds up to 867 Mbps?

802.11a

802.11b

802.11ac

802.11n

12. The 802.11 standard defines the Physical and Data Link layers of the OSI model. True or False?

True

False

13. Which of the following causes signal attenuation in wireless networks?

Walls, metal objects, and water

Increased transmit power only

Multiple access points in the same area

Using 802.11ac instead of 802.11n

14. What is the IEEE standard for Wi-Fi 6?

802.11ac

802.11ax

802.11be

802.11ad

Submit

16. Which wireless security protocol is considered obsolete and should not be used?

WPA2

WEP

WPA3

CCMP

17. Path loss increases as distance from the access point increases. True or False?

True

False

18. What does MIMO stand for in wireless networking?

Multiple Input Multiple Output

Modulation Index Multiplexing Option

Multi-band Integrated Modem Operation

Maximum Interference Mitigation Output

19. Which frequency band is shared by both 802.11b and 802.11g?

2.4 GHz

5 GHz

6 GHz

60 GHz

20. What is the primary advantage of using a directional antenna over an omnidirectional antenna?

Lower cost and easier installation

Increased gain and focused signal coverage in a specific direction

Better performance in crowded RF environments

Wider coverage area with minimal dead zones

Wireless Networking Quiz: Master Wi-Fi & Antennas

1. Which antenna type provides 360-degree coverage in the horizontal plane?

2.

What first name or nickname would you like us to use?

2. OFDM (Orthogonal Frequency-Division Multiplexing) is used in which wireless standards?

3. Which of the following is a characteristic of the 5 GHz frequency band?

4. Channel interference occurs when multiple access points use ______ channels in the same area.

5. What is the maximum theoretical data rate for 802.11n in a single spatial stream?

6. A site survey is conducted to identify optimal access point placement and RF coverage areas. True or False?

7. Fading is the variation in signal strength over time due to multipath propagation. True or False?

8. Which wireless technology operates in the 60 GHz band and is used for short-range high-speed communication?

9. The 2.4 GHz band has ______ overlapping channels in the 802.11 standard.

10. WPA2 uses which encryption algorithm by default?

11. Which 802.11 standard operates at 5 GHz and provides speeds up to 867 Mbps?

12. The 802.11 standard defines the Physical and Data Link layers of the OSI model. True or False?

13. Which of the following causes signal attenuation in wireless networks?

14. What is the IEEE standard for Wi-Fi 6?

15. An antenna with a gain of 6 dBi is ______ in terms of directivity compared to an isotropic antenna.

16. Which wireless security protocol is considered obsolete and should not be used?

17. Path loss increases as distance from the access point increases. True or False?

18. What does MIMO stand for in wireless networking?

19. Which frequency band is shared by both 802.11b and 802.11g?

20. What is the primary advantage of using a directional antenna over an omnidirectional antenna?