642-747 Guide

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2021 Dec 642-747 dumps

Q21. What are the three default protocols that are used by Cisco WCS v7.0 when communicating to an autonomous AP? (Choose three.) 

A. HTTP 

B. HTTPS 

C. TFTP 

D. FTP 

E. Telnet 

F. SSH 

G. SNMP 

Answer: C,F,G 


Q22. What is the maximum capacity of Cisco WCS Navigator when implemented with a Cisco Unified Wireless Network that is running version 7.0? 

A. 10 Cisco WCS servers with 20,000 APs 

B. 20 Cisco WCS servers with 20,000 APs 

C. 20 Cisco WCS servers with 30,000 APs 

D. 30 Cisco WCS servers with 30,000 APs 

Answer:


Q23. What are two benefits of Cisco wireless Mesh? (Choose two.) 

A. per-user or per-WLAN traffic rate limiting 

B. static AP Channel Balancing 

C. intelligent Tx_Pwr Levels 

D. fixed Root AP Assignment 

E. does not require a WLC 

Answer: A,C 


Q24. When using Cisco Spectrum Expert v4.0 on a PC, which three additional items are required to allow CleanAir RF spectrum analysis from the AP to the PC application? (Choose three.) 

A. any APs that are capable of 802.11n 

B. only Cisco 3500 or 3600 Series APs 

C. minimum Cisco WLC code 7.0.98.0 

D. minimum Cisco WLC code 7.0.116.0 

E. AP that is operating in monitor mode only 

F. AP that is operating in SE-Connect mode only 

G. AP that is operating in monitor or SE-Connect mode 

Answer: B,C,F 

37. A recently acquired 1550 series AP is unable to join the WLC. The following message is observed on the AP console: 

AAA Authentication Failure for UserName:CC93.1981.0035 User Type: WLAN USER 

What action must be taken for the AP to associate with the controller? 

A. import the APs Self Signed Certificate to the Security:Certificate:SSC tab 

B. add MAC address CC93.1981.0035 to the Security:AAA:AP policy:Authorization List 

C. authenticate the AP to the WLC from the console using an admin account on the WLC 

D. add MAC address CC93.1981.0035 to the Security:AAA:MAC Filtering tab 

E. import the APs Self Signed Certificate to the Security:Certificate:LSC tab 

Answer:


Q25. Which option describes Cisco support of Distributed Antenna Systems? 

A. requires DAS integration vendor 

B. requires disabled Cisco WLC RRM service 

C. requires Cisco WCS antenna gain adjustment 

D. requires disabled CleanAir services 

E. requires disabled ClientLink services 

Answer:


Updated 642-747 question:

Q26. An engineer is rolling out wireless payment systems for a large retailer. What MSE feature helps ensure proper regulatory compliance? 

A. SOAP API 

B. Context Aware 

C. Adaptive wIPS 

D. Guest Tracking 

E. XML API 

Answer:


Q27. How is distance determined using the RF fingerprinting technique? 

A. modified cell of origin 

B. difference in signal time arrival between locations 

C. RSS lateration using angle of arrival 

D. RSS lateration using enhanced path loss modeling 

Answer:


Q28. When planning on implementing Enhanced Local Mode scanning, tracking RF interference devices (CleanAir), RFID tags that are based on TDoA, and wireless clients, what is needed for the Cisco 3300 Series MSE v7.0? 

A. wIPS license, context-aware license, CleanAir license, and Cisco RFID tag license only 

B. wIPS license, context-aware license, CleanAir license, and partner tag engine license only 

C. wIPS license, context-aware license, and Cisco RFID tag license only 

D. wIPS license, context-aware license, and partner tag engine license only 

E. context-aware license and Cisco RFID tag license only 

F. context-aware license and partner tag engine license only 

Answer:


Q29. Cisco Mesh is designed to be effective at a maximum of how many wireless hops? 

A. 2 

B. 4 

C. 8 

D. 16 

Answer:


Q30. Which statement best describes the Cisco WCS v7.0 templates for configuration and implementation of the Cisco Unified Wireless Network? 

A. Apply only to controllers. 

B. Apply only to controllers and lightweight APs. 

C. Apply only to controllers, lightweight APs, and autonomous APs. 

D. Apply only to controllers, lightweight APs, and the Cisco 3300 Series MSE. 

E. Apply to controllers, lightweight APs, autonomous APs, and Cisco MSE. 

Answer:


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