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642-741 考试是 Cisco 公司的 Implementing Cisco Unified Wireless Voice Networks 认证考试官方代号，TestInside 642-741 权威考试学习资料软件是一款真正全面的642-741考试模拟资料，是您获得642-741知识的重要工具。642-741是来自于Cisco 厂商的认证考试科目，TestInside祝您在第一次参加 642-741 考试的考生即顺利通过，否则我们免费帮你更新或者免费赠送您其它资料一份。

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部分题目样本(非实时更新）　
　
Exam : Cisco 642-741
Title : Implementing Cisco Unified Wireless Voice Networks


1. Which protocol is used by multicast to prevent loops?
A. OSPF
B. RIP
C. RPF
D. BGP
E. EIGRP
Answer: C

2. Which two statements are correct if IGMP snooping is enabled on a Cisco WLC? (Choose two.)
A. The router IGMP table is updated with the IP address of the wireless clients as the last reporter.
B. The IGMP packets from the wireless clients are forwarded to the router without modifications.
C. The IGMP packets from the wireless clients are received at the Cisco WLC, which in turn generates a query for the client.
D. The IGMP packets from the wireless clients are received at the WLC and are used to update the router via Cisco Group Management Protocol update from the Cisco WLC.
E. The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.
Answer: CE

3. Which two messages can carry the TSPEC from client to the AP? (Choose two.)
A. probe request
B. association request
C. authentication request
D. reassociation request
Answer: BD

4. What frame type is used to signal TSPEC reservation from a client?
A. RSVP
B. ADDTS
C. 802.11 association information elements
D. WMM capabilities exchange
Answer: B

5. Which two statements are correct regarding multicast implementation using a WLAN controller (v2) and AP? (Choose two.)
A. Multicast traffic is sent out on Cisco APs at the highest mandatory data rate.
B. Multicast traffic is sent out on Cisco APs at the highest supported data rate.
C. On Cisco APs, multicast traffic and beacons are sent out at the same data rates to maintain a common cell size for normal data as well as multicast data.
D. If there is more than one mandatory data rate, multicast traffic will be sent at the highest mandatory rate and beacons will be sent at the lowest mandatory rate.
E. On Cisco APs, multicast traffic will be sent out at the highest data rate that a client can maintain with the AP.
Answer: AD

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