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 IEEE committee has been sanctioned by WPA and is called WPA2?
IEEE 802.11i
54 Mbps
RADIUS Server
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. Which two features did WPA add to address the inherent weaknesses found in WEP?
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.
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.
WEP & TKIP (WPA) use RC4 WPA2 uses AES


3. Two workers have established wireless communication directly between their wireless laptops. What type of wireless topology has been created by these employees?
AES-CCMP
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.
Independent Basic Service Set (IBSS) is ad-hoc wireless


4. Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?
The SSID is configured incorrectly on the client.
Overlapping the wireless cell coverage by at least 10%
IEEE 802.11i
RC4 algorithm


5. What is the frequency range of IEEE 802.11g?
54 Mbps
2.4 GHz
IEEE 802.11i
The SSID is configured incorrectly on the client.


6. What is the frequency range of IEEE 802.11b?
PEAP - EAP-FAST - Local-EAP
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.
2.4 GHz


7. Which feature of 802.11n provides MAC efficiency?
IEEE 802.11i
54 Mbps
RC4 algorithm
Block Acknowledgments


8. Which encryption type does WPA2 use? WPA?
2.4 GHz
11Mbps
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.


9. The TKIP encryption is based on the...
AES-CCMP
2.4 GHz
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
RC4 algorithm


10. 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?
5 GHz
11Mbps
Three
The SSID is configured incorrectly on the client.


11. Describes the wireless security standard that WPA defines?
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.
Changing the default SSID value and administrator password
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.


12. How many non-overlapping channels are available with 802.11b?
RADIUS Server
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
PEAP - EAP-FAST - Local-EAP
Three


13. What is the frequency range of IEEE 802.11a?
IEEE 802.11i
5 GHz
Independent Basic Service Set (IBSS) is ad-hoc wireless
RADIUS Server


14. What is the maximum data rate of IEEE 802.11g?
AES-CCMP
WPA2 uses AES-CCMP for encryption. WPA uses TKIP.
54Mpbs
54 Mbps


15. What device must be on your wired network when running an enterprise EAP solution?
AES-CCMP
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
RADIUS Server
PEAP - EAP-FAST - Local-EAP


16. Which two practices help secure the configuration utilities on wireless access points from unauthorized access?
Block Acknowledgments
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
Changing the default SSID value and administrator password
Overlapping the wireless cell coverage by at least 10%


17. Which two wireless encryption methods are based on the RC4 encryption 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.
Block Acknowledgments
2.4 GHz
WEP & TKIP (WPA) use RC4 WPA2 uses AES


18. What is the maximum data rate of IEE 902.11b?
11Mbps
2.4 GHz
5 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.


19. 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?
2.4 GHz
Changing the default SSID value and administrator password
WEP & TKIP (WPA) use RC4 WPA2 uses AES
SSID


20. What is the maximum data rate for the 802.11a standard?
11Mbps
54 Mbps
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.
Overlapping the wireless cell coverage by at least 10%


21. What are three basic parameters to configure on a wireless access point?
IEEE 802.11i
SSID
The three basic parameters to configure when setting up an access point are the SSID - the RF channel - and the authentication method.
PEAP - EAP-FAST - Local-EAP


22. 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.
2.4 GHz
IEEE 802.11i
Changing the default SSID value and administrator password


23. WPA2 uses which encryption 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.
AES-CCMP
5 GHz
PEAP - EAP-FAST - Local-EAP


24. 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
Overlapping the wireless cell coverage by at least 10%
Independent Basic Service Set (IBSS) is ad-hoc wireless
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.


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