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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. What is the maximum data rate of IEE 902.11b?
54 Mbps
11Mbps
5 GHz
RC4 algorithm

2. Which feature of 802.11n provides MAC efficiency?
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.
Independent Basic Service Set (IBSS) is ad-hoc wireless
RADIUS Server

3. 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.
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
Three
5 GHz

4. Name three EAP types that allow us to use wireless LANs in enterprise networks?
2.4 GHz
Independent Basic Service Set (IBSS) is ad-hoc wireless
PEAP - EAP-FAST - Local-EAP
RADIUS Server

5. Which IEEE committee has been sanctioned by WPA and is called WPA2?
Independent Basic Service Set (IBSS) is ad-hoc wireless
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.
IEEE 802.11i

6. What is the frequency range of IEEE 802.11g?
2.4 GHz
Overlapping the wireless cell coverage by at least 10%
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.

7. What is the maximum data rate of IEEE 802.11g?
PEAP - EAP-FAST - Local-EAP
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.
54Mpbs

8. What is the frequency range of IEEE 802.11b?
The SSID is configured incorrectly on the client.
PEAP - EAP-FAST - Local-EAP
WEP & TKIP (WPA) use RC4 WPA2 uses AES
2.4 GHz

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

10. 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.
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.
RC4 algorithm

11. Which encryption type does WPA2 use? WPA?
5 GHz
2.4 GHz
2.4 GHz
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.

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

13. Describes the wireless security standard that WPA defines?
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.
54 Mbps
The SSID is configured incorrectly on the client.

14. 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?
54Mpbs
2.4 GHz
11Mbps
SSID

15. 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
IEEE 802.11i
WEP & TKIP (WPA) use RC4 WPA2 uses AES
The SSID is configured incorrectly on the client.

16. 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
Changing the default SSID value and administrator password
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.
2.4 GHz

17. WPA2 uses which encryption method?
AES-CCMP
Block Acknowledgments
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
54 Mbps

18. Which two practices help secure the configuration utilities on wireless access points from unauthorized access?
Independent Basic Service Set (IBSS) is ad-hoc wireless
Changing the default SSID value and administrator password
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.

19. What device must be on your wired network when running an enterprise EAP solution?
RADIUS Server
Independent Basic Service Set (IBSS) is ad-hoc wireless
IEEE 802.11i
11Mbps

20. The TKIP encryption is based on the...
PEAP - EAP-FAST - Local-EAP
RC4 algorithm
IEEE 802.11i
Changing the default SSID value and administrator password

21. Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?
Block Acknowledgments
Changing the default SSID value and administrator password
Independent Basic Service Set (IBSS) is ad-hoc wireless
Overlapping the wireless cell coverage by at least 10%

22. Which two wireless encryption methods are based on the RC4 encryption algorithm?
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
IEEE 802.11i
2.4 GHz

23. What is the frequency range of IEEE 802.11a?
Block Acknowledgments
5 GHz
PEAP - EAP-FAST - Local-EAP
Cordless phone interference - antenna type or orientation - and metal filing cabinet reflection of the RF signal can all give rise to connectivity issues.

24. Which two features did WPA add to address the inherent weaknesses found in WEP?
RC4 algorithm
Independent Basic Service Set (IBSS) is ad-hoc wireless
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

25. What is the maximum data rate for the 802.11a standard?
54 Mbps
WEP & TKIP (WPA) use RC4 WPA2 uses AES
2.4 GHz
Three