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CCNA Wireless Questions

Instructions:

Answer 25 questions in 15 minutes.
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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?
Overlapping the wireless cell coverage by at least 10%
Changing the default SSID value and administrator password
Three
Block Acknowledgments

2. Describes the wireless security standard that WPA defines?
PEAP - EAP-FAST - Local-EAP
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.
Independent Basic Service Set (IBSS) is ad-hoc wireless
IEEE 802.11i

3. 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?
The SSID is configured incorrectly on the client.
11Mbps
Block Acknowledgments
Independent Basic Service Set (IBSS) is ad-hoc wireless

4. The TKIP encryption is based on the...
IEEE 802.11i
RC4 algorithm
The SSID is configured incorrectly on the client.
54Mpbs

5. You are connecting your access point and it is set to root. What does extended service set ID mean?
2.4 GHz
RADIUS Server
IEEE 802.11i
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.

6. 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?
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
Changing the default SSID value and administrator password
5 GHz

7. Which two wireless encryption methods are based on the RC4 encryption algorithm?
IEEE 802.11i
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.
WEP & TKIP (WPA) use RC4 WPA2 uses AES

8. Which feature of 802.11n provides MAC efficiency?
Block Acknowledgments
54 Mbps
Independent Basic Service Set (IBSS) is ad-hoc wireless
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.

9. 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
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
54Mpbs
54 Mbps

10. WPA2 uses which encryption method?
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.
Independent Basic Service Set (IBSS) is ad-hoc wireless
RADIUS Server
AES-CCMP

11. Two workers have established wireless communication directly between their wireless laptops. What type of wireless topology has been created by these employees?
The SSID is configured incorrectly on the client.
Independent Basic Service Set (IBSS) is ad-hoc wireless
11Mbps
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.

12. What is the frequency range of IEEE 802.11g?
11Mbps
2.4 GHz
IEEE 802.11i
54Mpbs

13. What is the maximum data rate of IEEE 802.11g?
Three
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
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.

14. 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.
RADIUS Server
Overlapping the wireless cell coverage by at least 10%
WEP & TKIP (WPA) use RC4 WPA2 uses AES

15. Which two features did WPA add to address the inherent weaknesses found in WEP?
The SSID is configured incorrectly on the client.
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
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

16. What is the frequency range of IEEE 802.11a?
PEAP - EAP-FAST - Local-EAP
SSID
2.4 GHz
5 GHz

17. Which encryption type does WPA2 use? WPA?
11Mbps
Changing the default SSID value and administrator password
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.

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

19. 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.
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.
11Mbps

20. What is the maximum data rate for the 802.11a standard?
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
SSID
54 Mbps
2.4 GHz

21. What is the maximum data rate of IEE 902.11b?
11Mbps
Changing the default SSID value and administrator password
Three
RADIUS Server

22. Name three EAP types that allow us to use wireless LANs in enterprise networks?
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.
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
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

23. How many non-overlapping channels are available with 802.11b?
Three
Overlapping the wireless cell coverage by at least 10%
2.4 GHz
RADIUS Server

24. Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?
WEP & TKIP (WPA) use RC4 WPA2 uses AES
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.
Overlapping the wireless cell coverage by at least 10%
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.

25. Which IEEE committee has been sanctioned by WPA and is called WPA2?
IEEE 802.11i
Changing the default SSID value and administrator password
54 Mbps
The SSID is configured incorrectly on the client.