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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 wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?
Changing the default SSID value and administrator password
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
5 GHz
Overlapping the wireless cell coverage by at least 10%

2. You are connecting your access point and it is set to root. What does extended service set ID mean?
2.4 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.
Independent Basic Service Set (IBSS) is ad-hoc wireless
11Mbps

3. The TKIP encryption is based on the...
The SSID is configured incorrectly on the client.
54 Mbps
2.4 GHz
RC4 algorithm

4. What are three basic parameters to configure on a wireless access point?
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
Three
11Mbps
Independent Basic Service Set (IBSS) is ad-hoc wireless

5. WPA2 uses which encryption method?
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.
AES-CCMP
The SSID is configured incorrectly on the client.
Overlapping the wireless cell coverage by at least 10%

6. What is the frequency range of IEEE 802.11a?
5 GHz
AES-CCMP
The SSID is configured incorrectly on the client.
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.

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

8. Describes the wireless security standard that WPA defines?
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.
5 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.
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.

9. How many non-overlapping channels are available with 802.11b?
WEP & TKIP (WPA) use RC4 WPA2 uses AES
The SSID is configured incorrectly on the client.
IEEE 802.11i
Three

10. 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
SSID
2.4 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.

11. Which two practices help secure the configuration utilities on wireless access points from unauthorized access?
SSID
Changing the default SSID value and administrator password
2.4 GHz
The SSID is configured incorrectly on the client.

12. Name three EAP types that allow us to use wireless LANs in enterprise networks?
SSID
54 Mbps
11Mbps
PEAP - EAP-FAST - Local-EAP

13. Which two features did WPA add to address the inherent weaknesses found in WEP?
WEP & TKIP (WPA) use RC4 WPA2 uses AES
2.4 GHz
The SSID is configured incorrectly on the client.
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.

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

15. What is the frequency range of IEEE 802.11g?
54Mpbs
Three
IEEE 802.11i
2.4 GHz

16. What is the maximum data rate of IEEE 802.11g?
The SSID is configured incorrectly on the client.
54Mpbs
SSID
Changing the default SSID value and administrator password

17. What device must be on your wired network when running an enterprise EAP solution?
11Mbps
RADIUS Server
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.

18. Which encryption type does WPA2 use? WPA?
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.
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
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.

19. What is the maximum data rate for the 802.11a standard?
54 Mbps
Overlapping the wireless cell coverage by at least 10%
54Mpbs
Independent Basic Service Set (IBSS) is ad-hoc wireless

20. What is the frequency range of IEEE 802.11b?
Block Acknowledgments
Independent Basic Service Set (IBSS) is ad-hoc wireless
The SSID is configured incorrectly on the client.
2.4 GHz

21. 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
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
RC4 algorithm
54Mpbs

22. Which feature of 802.11n provides MAC efficiency?
54 Mbps
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
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

23. Which IEEE committee has been sanctioned by WPA and is called WPA2?
PEAP - EAP-FAST - Local-EAP
IEEE 802.11i
54 Mbps
Overlapping the wireless cell coverage by at least 10%

24. Two workers have established wireless communication directly between their wireless laptops. What type of wireless topology has been created by these employees?
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
WEP & TKIP (WPA) use RC4 WPA2 uses AES
Changing the default SSID value and administrator password
Independent Basic Service Set (IBSS) is ad-hoc wireless

25. 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?
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.
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
The SSID is configured incorrectly on the client.