ccna 640-721 test questions
Tuesday, December 22nd, 2009 | Exam Topics
640-721 IUWNE
Implementing Cisco Unified Wireless Networking Essentials
Exam Number: 640-721
Associated Certifications: CCNA Wireless
Duration: 90 minutes (65 questions)
Available Languages: English, Japanese, Chinese, Russian, Portuguese, Korean, French, Spanish
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Which one of the following CLI commands would be used on a Cisco WLC to troubleshoot mobility, rogue detection, and load-balancing events?
A. Debug dot11
B. Debug lwapp
C. Show dot11 details
D. Show lwapp details
Answer: A Questions: 47
Examine the following items carefully, which three Cisco Unified Wireless Network capabilities
use information that Radio Resource Management neighbor messages provide? (Choose three.)
Page 10 of 25
Exam Name: Implementing Cisco Unified Wireless Networking Essentials (IUWNE)
Exam Type: Cisco
Exam Code: 640-721 Total Questions: 116
A. Aggressive Load Balancing
B. Over-the-Air Provisioning
C. Hybrid Remote Edge Access Point
D. Inter-controller Mobility (that is, Mobility Groups) E. Rogue AP Classification
F. Dynamic Channel Assignment
Answer: B, E, F Questions: 48
What is the effect of configuring a single SSID to simultaneously support both TKIP and AES
encryption?
A. This is a common configuration for migrating from WPA to WPA2. There is no problem associated with using this configuration.
B. Some wireless client drivers might not handle complex SSID settings and may be unable to associate to the WLAN.
C. The overhead associated with supporting both encryption methods will significantly degrade client throughput.
D. This is an unsupported configuration and the Cisco Wireless Control System will continuously generate alarms until the configuration is corrected.
Answer: B Questions: 49
For the following items, which is the Default Local Database size for authenticating local users?
A. 512 entries B. 4096 entries C. 1024 entries D. 2048 entries
Answer: A Questions: 50
Approximately up to what range do direct infrared systems operate?
A. 0.5 mile
B. 1 mile
C. 1.5 mile
D. 2.0 mile
Answer: B Questions: 51
Which statement is true about the authorization aspect of AAA?
A. Authorization takes place after a successful authentication and provides the Cisco WLC the information needed to allow client access to network resources.
B. Successful authorization will provide encryption keys that will be used to secure the wireless communications between client and AP.
C. Authorization is the validation of successful DHCP address delivery to the wireless client.
D. Authorization must be successfully completed in order to proceed with the authentication phase.
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Exam Name: Implementing Cisco Unified Wireless Networking Essentials (IUWNE)
Exam Type: Cisco
Exam Code: 640-721 Total Questions: 116
Answer: A
Questions: 52
Which two descriptions are correct about LWAPP? (Choose two.)
A. Communication between the AP and the WLC B. Lightweight Access Point provisioning
C. Cisco proprietary
D. Communication between the AP and client
Answer: A, C
Exam Description
The 640-721 Implementing Cisco Unified Wireless Network Essential (IUWNE) exam is the exam associated with the CCNA Wireless certification. This exam tests a candidate’s knowledge of installing, configuring, operating, and troubleshooting small to medium-size WLANs. Candidates can prepare for this exam by taking the Implementing Cisco Unified Wireless Network Essential (IUWNE) course.
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