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2021 Nov cisco exam 642-732:

Q21. What is the result if a client radio is incapable of supporting all the 5 GHz channels you have deployed in the controller or APs? 

A. You may only be able to deploy 20 MHz-wide channels. 

B. This may result in the client having to roam more frequently to find a channel it supports. 

C. This may result in coverage holes in the network. 

D. You may only be able to deploy 40 MHz-wide channels. 

Answer: C 


Q22. Customer requirements and a WLAN site survey require a Cisco 1250 AP operating at full 802.11a/b/g/n located approximately 150 meters from the closest IDF. What is the best solution to provide wireless coverage to this portion of the customer's facility? 

A. At the AP location, install a power drop and a Cisco Aironet Power Injector Media Converter (AIR-PWRINJ-1000AF) to power and the Cisco 1250 and extend the Cat 5 link. 

B. Install an external Cisco Mid-Span 802.3af power injection panel in the same rack as the access switch to extend the driven distance of the structured cable plant. 

C. At the AP location, install a power drop and a Cisco Aironet Power Injector Media Converter (AIR-PWRINJ-FIB) for the Cisco 1250. Then connect a Cat 5 cable from the AP to a fiber-optic-to-copper transceiver which connects to a fiber link to the IDF. At the access switch, connect the fiber cable from the AP location to a fiber-optic port on the switch. 

D. At the AP location, install a power drop and a Cisco AIR-PWRINJ4 power adapter for the Cisco 1250. Connect the Cat 5 cable to the AP from the IDF. 

E. At the AP location, install a local power drop and local power supply for the Cisco 1250. Connect the AP through a pair of fiber-optic-to-copper transceivers back to the access layer switch to provide data access. 

Answer: E 


Q23. Which wireless tool would be most useful in planning a WLAN solution prior to performing a site survey? 

A. Ekahau Survey 

B. Air Magnet Survey 

C. Air Magnet Wi-Fi Analyzer 

D. Cisco Spectrum Expert 

E. Cisco WCS 

Answer: E 


Q24. The customer has an existing 802.11b/g network with Cisco 2500 controllers. The customer would like to migrate to an 802.11a/b/g/n WLAN. Which network infrastructure issue might impact client performance in this proposed controller-based solution? 

A. The additional application load placed on servers by 802.11n clients. 

B. A bottleneck may occur if the access switch port to the AP only supports 100 Mb/s full duplex. 

C. The additional load placed on a RADIUS server by 802.1X authentication traffic on the first work day of each week. 

D. The added delay WDS imposes on the client when they roam from one AP to another. 

Answer: B 


Q25. Refer to the exhibit. Which type of interference would the engineer detect on the Cisco Spectrum Expert? 

A. Bluetooth 

B. Wi-Max 

C. DECT phone 

D. microwave 

E. analog camera 

Answer: D 


Improve 642-732 book:

Q26. A Cisco 1250 AP is deployed for a/b/g/n using version 7.0 software on 802.3af PoE. What are the three deployment results of the 5 GHz radio on channel size, spatial stream, and 

data rate? (Choose three.) 

A. 1 spatial stream 

B. 20 MHz 

C. 150 Mb/s 

D. 72 Mb/s 

E. 144 Mb/s 

F. 2 spatial streams 

G. 40 MHz 

H. 300 Mb/s 

Answer: A,C,G 


Q27. Refer to the exhibit. 

After performing a Layer 1 survey using Cisco Spectrum Expert, what is the result indicated by the visual screen? 

A. Normal 802.11g activity 

B. Microwave oven interference 

C. Video camera interference 

D. Bluetooth device interference 

E. RF jammer 

Answer: C 


Q28. Refer to the exhibit. 

What is the most likely cause of MAP1 association to MAP2 instead of directly to the RAP? 

A. Incorrect BGN 

B. Default BGN 

C. SNR 

D. Absorption and scattering caused by weather conditions. 

E. Incorrect radio configuration 

Answer: C 


Q29. A network engineer acquired a floor plan of a building, temporarily mounted an 1132 AP, associated a wireless NIC to the AP, and began documenting packet exchanges between the AP and the wireless NIC while walking throughout the facility. What best describes what the engineer was doing? 

A. Air Magnet predictive site survey 

B. Cisco Spectrum expert Survey 

C. Ekahau active site survey 

D. Air Magnet passive site survey 

Answer: C 


Q30. Refer to the exhibit. Clients are being disconnected from the WLAN. Which source of interference can cause a Denial of Service? 

A. jammer 

B. microwave oven 

C. Bluetooth devices 

D. wireless video camera 

E. ZigBee device 

Answer: A