Exam Number/Code: 642-681
Exam name: Advanced Wireless LAN for System Engineers Exam
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Eric at March-26rd 2010
Just to say thanks for helping me in passing 642-681
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642681 QUESTION NO:1 Select two activities that form part of the wireless migration plan development service component in the wireless design phase. (Choose two.) A. Gather and Verify Migration Requirements B. Confirm Project and Milestone Dates Answer: AC C. Define Migration Team Roles and Responsibilities D. Verify Migration Address and Available Stops E. Create Detailed Staff Training Matrix F. Collect and Verify Site Specific Implementation Requirements When a wireless controller loses connectivity to a remote Cisco Aironet 1030 Lightweight Access Point in REAP mode, what will be the next step for that remote access point? A. provide local WLAN1 connectivity using local-site AAA authentication server B. disconnect all associated clients C. lose its configuration D. continue to provide local WLAN1 connectivity for shared key authentication only E. support no more than 10 wireless clients QUESTION NO:2 Answer: D QUESTION NO:3 Controller-based products use X.509 certificates for which of the following? A. AES user data frame encryption B. IPsec tunneling C. 3DES user data frame encryption D. LWAPP tunneling Answer: D QUESTION NO:4 The recommended channel utilization QoS Basic Service Set load for a VoIP network should be less than which value? A. 50 B. 40 C. 35 D. 45 Answer: D QUESTION NO:5 What is the Cisco-recommended limit of standalone access points to be managed by a CiscoWorks WLSE 1130-19 with RF management enabled? A. 1800 B. 1000 C. 1500 D. 2500 Answer: A QUESTION NO:6 Which DSCP value is mapped to the IEEE 802.11e user priority for voice in a Cisco WLAN? A. 48 B. 46 C. 34 D. 56 Answer: B QUESTION NO:7 The local authentication service on a standalone access point supports which two authentication types? (Choose two.) A. EAP-FAST B. EAP-Cisco Wireless (Cisco LEAP) C. PEAP-MSCHAP D. EAP-TLS E. PEAP-GTC Answer: AB QUESTION NO:8 Analyzing the customer's WLAN design including interference and signal strength, and recommending design changes to accommodate a voice over WLAN system, are activities associated with which service component in the plan phase? A. Service Assurance B. Security Architecture Assessment wireless clients. The customer wishes to use IEEE 802.1X authentication using certificate services. Which EAP-type combinations are appropriate? A. PEAP-MSCHAP and EAP-TLS B. PEAP-MSCHAP and EAP-SIM C. PEAP-GTC and EAP-MD5 D. EAP-Cisco Wireless (Cisco LEAP) and PEAP-GTC C. VoiceOver WLAN Assessment D. Operations Readiness Assessment E. WLAN Wired Network Integration Assessment Answer: C QUESTION NO:9 Assessing current network infrastructure to support the proposed WLAN system is an activity of which service component in the wireless plan phase? A. WLAN Wired Network Integration Assessment B. Operations Readiness Assessment C. Service Assurance D. VoiceOver WLAN Assessment E. Security Architecture Assessment Answer: A QUESTION NO:10 A wireless security assessment has been performed for a network that is composed of Windows 2000 and Windows XP Answer: A QUESTION NO:11 Which three of these items are key components of a site survey? (Choose three.) A. pre-survey assessment B. coverage verification Which EAP authentication method is used by the Cisco WLAN controller to perform web authentication? A. PEAP-MSCHAP B. EAP-MD5 C. PEAP-GTC D. EAP-TLS E. No EAP authentication is used C. client configuration D. documentation E. access point staging F. facility walkthrough Answer: ADF QUESTION NO:12 Which three settings should be set on the WLAN controller for a VoIP network designed for Cisco Unified Wireless IP Phone 7920? (Choose three.) A. multicast-disabled B. AES encryption C. TKIP encryption D. goldQoS E. platinumQoS F. multicast-enabled Answer: ACE
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