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

2. What is the frequency range of IEEE 802.11b?
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
5 GHz
2.4 GHz
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.

3. How many non-overlapping channels are available with 802.11b?
Three
Overlapping the wireless cell coverage by at least 10%
PEAP - EAP-FAST - Local-EAP
Independent Basic Service Set (IBSS) is ad-hoc wireless

4. Which two features did WPA add to address the inherent weaknesses found in WEP?
2.4 GHz
SSID
2.4 GHz
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.

5. Which encryption type does WPA2 use? WPA?
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
RADIUS Server
54Mpbs
RC4 algorithm

6. 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
RC4 algorithm
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.
AES-CCMP
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.

7. What is the maximum data rate of IEE 902.11b?
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
2.4 GHz
11Mbps

8. What is the maximum data rate of IEEE 802.11g?
PEAP - EAP-FAST - Local-EAP
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
54Mpbs
Changing the default SSID value and administrator password

9. What are three basic parameters to configure on a wireless access point?
RADIUS Server
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
SSID
Three

10. Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?
IEEE 802.11i
Block Acknowledgments
SSID
Overlapping the wireless cell coverage by at least 10%

11. Describes the wireless security standard that WPA defines?
The SSID is configured incorrectly on the client.
Block Acknowledgments
WEP & TKIP (WPA) use RC4 WPA2 uses AES
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.

12. Name three EAP types that allow us to use wireless LANs in enterprise networks?
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.
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.
PEAP - EAP-FAST - Local-EAP
Block Acknowledgments

13. What is the maximum data rate for the 802.11a standard?
54 Mbps
Overlapping the wireless cell coverage by at least 10%
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
54Mpbs

14. Which IEEE committee has been sanctioned by WPA and is called WPA2?
IEEE 802.11i
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.
11Mbps
5 GHz

15. Two workers have established wireless communication directly between their wireless laptops. What type of wireless topology has been created by these employees?
Changing the default SSID value and administrator password
5 GHz
2.4 GHz
Independent Basic Service Set (IBSS) is ad-hoc wireless

16. The TKIP encryption is based on the...
AES-CCMP
Overlapping the wireless cell coverage by at least 10%
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.

17. What is the frequency range of IEEE 802.11a?
The SSID is configured incorrectly on the client.
IEEE 802.11i
Overlapping the wireless cell coverage by at least 10%
5 GHz

18. 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
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
SSID
The SSID is configured incorrectly on the client.

19. You are connecting your access point and it is set to root. What does extended service set ID mean?
11Mbps
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.
2.4 GHz

20. Which feature of 802.11n provides MAC efficiency?
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
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.
Block Acknowledgments
IEEE 802.11i

21. What is the frequency range of IEEE 802.11g?
2.4 GHz
RADIUS Server
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.
PEAP - EAP-FAST - Local-EAP

22. Which two wireless encryption methods are based on the RC4 encryption algorithm?
54 Mbps
2.4 GHz
WEP & TKIP (WPA) use RC4 WPA2 uses AES
11Mbps

23. What device must be on your wired network when running an enterprise EAP solution?
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
Independent Basic Service Set (IBSS) is ad-hoc wireless
RADIUS Server
54Mpbs

24. 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?
AES-CCMP
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.
SSID
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.

25. WPA2 uses which encryption method?
54Mpbs
RC4 algorithm
Independent Basic Service Set (IBSS) is ad-hoc wireless
AES-CCMP