Test your basic knowledge |

CCNA Wireless Questions

Instructions:

Answer 25 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. The TKIP encryption is based on the...
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
11Mbps
54 Mbps
RC4 algorithm

2. WPA2 uses which encryption method?
2.4 GHz
WPA - although using the same RC4 encryption that WEP uses - provides enhancements to the WEP protocol by using dynamic keys that change constantly - as well as providing a Pre-Shared Key method of authentication.
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
AES-CCMP

3. You are connecting your access point and it is set to root. What does extended service set ID mean?
54Mpbs
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.
RADIUS Server
Three

4. Two workers have established wireless communication directly between their wireless laptops. What type of wireless topology has been created by these employees?
AES-CCMP
2.4 GHz
Independent Basic Service Set (IBSS) is ad-hoc wireless
2.4 GHz

5. What are three basic parameters to configure on a wireless access point?
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.
54Mpbs
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
AES-CCMP

6. Which IEEE committee has been sanctioned by WPA and is called WPA2?
IEEE 802.11i
Three
RC4 algorithm
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.

7. Which two wireless encryption methods are based on the RC4 encryption algorithm?
5 GHz
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.
WEP & TKIP (WPA) use RC4 WPA2 uses AES
IEEE 802.11i

8. Which two practices help secure the configuration utilities on wireless access points from unauthorized access?
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
Three
Changing the default SSID value and administrator password
WEP & TKIP (WPA) use RC4 WPA2 uses AES

9. What is the maximum data rate of IEE 902.11b?
Independent Basic Service Set (IBSS) is ad-hoc wireless
11Mbps
WEP & TKIP (WPA) use RC4 WPA2 uses AES
2.4 GHz

10. How many non-overlapping channels are available with 802.11b?
Three
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
RADIUS Server

11. Describes the wireless security standard that WPA defines?
AES-CCMP
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.
WPA - although using the same RC4 encryption that WEP uses - provides enhancements to the WEP protocol by using dynamic keys that change constantly - as well as providing a Pre-Shared Key method of authentication.
Changing the default SSID value and administrator password

12. What is the maximum data rate for the 802.11a standard?
RADIUS Server
2.4 GHz
IEEE 802.11i
54 Mbps

13. What is the frequency range of IEEE 802.11a?
SSID
5 GHz
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.

14. A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?
Changing the default SSID value and administrator password
WEP & TKIP (WPA) use RC4 WPA2 uses AES
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.
The SSID is configured incorrectly on the client.

15. Which two features did WPA add to address the inherent weaknesses found in WEP?
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.
54Mpbs
11Mbps

16. Name three EAP types that allow us to use wireless LANs in enterprise networks?
Changing the default SSID value and administrator password
54 Mbps
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.
PEAP - EAP-FAST - Local-EAP

17. Which encryption type does WPA2 use? WPA?
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
WEP & TKIP (WPA) use RC4 WPA2 uses AES
2.4 GHz
11Mbps

18. What is the maximum data rate of IEEE 802.11g?
RC4 algorithm
Changing the default SSID value and administrator password
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
54Mpbs

19. What is the frequency range of IEEE 802.11b?
54Mpbs
WPA - although using the same RC4 encryption that WEP uses - provides enhancements to the WEP protocol by using dynamic keys that change constantly - as well as providing a Pre-Shared Key method of authentication.
2.4 GHz
RADIUS Server

20. What is the frequency range of IEEE 802.11g?
The SSID is configured incorrectly on the client.
RADIUS Server
5 GHz
2.4 GHz

21. Which feature of 802.11n provides MAC efficiency?
RADIUS Server
AES-CCMP
5 GHz
Block Acknowledgments

22. What device must be on your wired network when running an enterprise EAP solution?
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.
IEEE 802.11i
11Mbps
RADIUS Server

23. Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?
1. Key mixing using temporal keys. 2. Per frame sequence counter. WPA uses Temporal Key Integrity Protocol (TKIP) - which includes both broadcast key rotation (dynamic keys that change) and sequencing of frames.
Overlapping the wireless cell coverage by at least 10%
RC4 algorithm
AES-CCMP

24. A single 802.11g access point has been configured and installed in the center of a square-shaped office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What could likely be the caus
IEEE 802.11i
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
Independent Basic Service Set (IBSS) is ad-hoc wireless
WEP & TKIP (WPA) use RC4 WPA2 uses AES

25. You have finished physically installing an access point on the ceiling of your office. At a minimum - which parameter must be configured on the access point in order to allow a wireless client to operate on it?
WPA - although using the same RC4 encryption that WEP uses - provides enhancements to the WEP protocol by using dynamic keys that change constantly - as well as providing a Pre-Shared Key method of authentication.
SSID
RC4 algorithm
Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.