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CCNA Wireless Questions

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Answer 25 questions in 15 minutes.
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Match each statement with the correct term.
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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. What device must be on your wired network when running an enterprise EAP solution?
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.
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.

2. 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
Independent Basic Service Set (IBSS) is ad-hoc wireless
54Mpbs
Overlapping the wireless cell coverage by at least 10%

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

4. Which feature of 802.11n provides MAC efficiency?
RC4 algorithm
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
SSID
Block Acknowledgments

5. What is the frequency range of IEEE 802.11g?
WEP & TKIP (WPA) use RC4 WPA2 uses AES
2.4 GHz
IEEE 802.11i
Independent Basic Service Set (IBSS) is ad-hoc wireless

6. Which encryption type does WPA2 use? WPA?
PEAP - EAP-FAST - Local-EAP
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
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.

7. 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?
RC4 algorithm
Block Acknowledgments
The SSID is configured incorrectly on the client.
Overlapping the wireless cell coverage by at least 10%

8. How many non-overlapping channels are available with 802.11b?
Three
2.4 GHz
PEAP - EAP-FAST - Local-EAP
SSID

9. WPA2 uses which encryption method?
IEEE 802.11i
5 GHz
AES-CCMP
PEAP - EAP-FAST - Local-EAP

10. What is the maximum data rate of IEE 902.11b?
Changing the default SSID value and administrator password
Overlapping the wireless cell coverage by at least 10%
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
11Mbps

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

12. Which two practices help secure the configuration utilities on wireless access points from unauthorized access?
11Mbps
Changing the default SSID value and administrator password
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.

13. You are connecting your access point and it is set to root. What does extended service set ID mean?
54Mpbs
SSID
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

14. 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
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.
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
PEAP - EAP-FAST - Local-EAP
Block Acknowledgments

15. What is the maximum data rate of IEEE 802.11g?
2.4 GHz
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
54Mpbs
5 GHz

16. What is the frequency range of IEEE 802.11b?
Block Acknowledgments
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
54 Mbps
2.4 GHz

17. What is the frequency range of IEEE 802.11a?
5 GHz
RADIUS Server
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
Changing the default SSID value and administrator password

18. The TKIP encryption is based on the...
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
Independent Basic Service Set (IBSS) is ad-hoc wireless

19. Which two features did WPA add to address the inherent weaknesses found in WEP?
54 Mbps
5 GHz
IEEE 802.11i
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.

20. 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?
11Mbps
PEAP - EAP-FAST - Local-EAP
SSID
Block Acknowledgments

21. Describes the wireless security standard that WPA defines?
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.
The SSID is configured incorrectly on the client.
IEEE 802.11i

22. Which IEEE committee has been sanctioned by WPA and is called WPA2?
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
IEEE 802.11i
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.

23. Which two wireless encryption methods are based on the RC4 encryption algorithm?
SSID
Independent Basic Service Set (IBSS) is ad-hoc wireless
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.
WEP & TKIP (WPA) use RC4 WPA2 uses AES

24. What is the maximum data rate for the 802.11a standard?
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
54 Mbps
5 GHz
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.

25. What are three basic parameters to configure on a wireless access point?
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
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

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CCNA Wireless Questions

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