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Cisco 642-732 Exam Questions & Answers Number : 642-732 Passing Score : 800 Time Limit : 120 min File Version : 27.7 http://www.gratisexam.com/ Cisco 642-732 Exam Questions & Answers Exam Name: CCNP Wireless - CUWSS For Full Set of Questions please visit: http://www.actualtests.com/exam-642-732.htm Sections 1. 1 2. 2 3. 3 4. 4 5. 5

Cisco 642-732 Exam Questions & Answers · Cisco 642-732 Exam Questions & Answers Exam ... survey and installation two years ago with the final ... occur if the access switch port

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Cisco 642-732 Exam Questions & Answers

Number: 642-732Passing Score: 800Time Limit: 120 minFile Version: 27.7

http://www.gratisexam.com/

Cisco 642-732 Exam Questions & Answers

Exam Name: CCNP Wireless - CUWSS

For Full Set of Questions please visit: http://www.actualtests.com/exam-642-732.htm

Sections1. 12. 23. 34. 45. 5

Actualtests

QUESTION 1The customer had a 802.11b/g WLAN site survey and installation two years ago with the final serviceperforming as expected. Since that time, the customer has experienced modest customer growth whilemaintaining employee headcount. New wireless applications are being evaluated along with a possibletemporary headcount increase, but the current WLAN performance has noticeable performance degradation.What is the most likely cause of the WLAN performance problems?

A. They have added a second microwave to the break room.B. A new coffee shop with a wireless hotspot has opened across the street.C. The customer has expanded their shipping capacity by 50%.D. Employees are now using their smart phones and tablets in the office.

Correct Answer: DSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 2You are working with a client that owns a six-story building in Charlotte, N.C. They occupy the bottom threefloors, and currently have a wired LAN. They have contacted you to perform a WLAN site survey of their facility.Which three issues do you need to take into consideration before performing the site survey? (Choose three.)

A. How many other organizations occupy the building?B. Does the customer facility have a multistory atrium or lobby?C. Protocol type required, client types in place, and client density?D. Is WLAN coverage required in the elevators?E. How many equipment closets do they have per floor and does the infrastructure all run back to a central

location?F. How much signal bleedthrough is permissible between floors?G. How much WLAN experience does the customer IT staff have?

Correct Answer: BCDSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 3You have been contacted by a medium-sized hospitality company that has 50 hotels. They would like toupgrade their existing WLAN in each hotel to 802.11n. While performing the site surveys for each hotel, whatare the issues that you need to take into consideration when determining the locations for each AP?

A. Selecting AP locations where power is already availableB. Selecting APs that can be hidden in ceiling panels to provide asecure and clean aesthetic lookC. Selecting locations that are easily accessed so maintenance and upgrades can be performed quicklyD. Selecting locations that make visual assessment of the AP operation easy

Correct Answer: BSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 4After having the kick-off meeting for a new site survey project with your customer, which three factors need tobe considered prior to beginning a WLAN site survey? (Choose three.)

A. Will an additional trip to the facility to perform the initial walkthrough be required?B. How much time should be allocated to survey the locations for the controllers?C. Will any additional regulatory or safety training be required to complete the site survey?D. Is access available to all areas of the customer facility where the WLAN is planned to be deployed?E. Which types of controllers and switches will be required to fully conduct the site survey in all areas of the

customer facility?F. Is access available to customer employees so that initial interviews can be performed?

Correct Answer: ACDSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 5The customer has an existing 802.11b/g network with Cisco 2500 controllers. The customer would like tomigrate to an 802.11a/b/g/n WLAN. Which network infrastructure issue might impact client performance in thisproposed 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.

Correct Answer: BSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 6Which two issues do access and backhaul radios experience in mesh networks? (Choose two.)

A. The access radio has to connect to two or several points.B. The access cell usually covers more area at ground level that may have more sources of reflection and

interference.C. The access cell radio range is larger than the backhaul radio range, which causes the backhaul cell radio to

suffer from more interference.D. Backhaul radios are a bottleneck for throughput.E. RAPs help MAPs avoid coverage holes.

Correct Answer: BDSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 7Which wireless tool would be most useful in planning a WLAN solution prior to performing a site survey?

http://www.gratisexam.com/

A. Ekahau SurveyB. Air Magnet SurveyC. Air Magnet Wi-Fi AnalyzerD. Cisco Spectrum ExpertE. Cisco WCS

Correct Answer: ESection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 8You have a multinational customer that would like you to perform a wireless site survey for a newmanufacturing facility in Singapore. They have had a local vendor install a point-to-point wireless bridge linkbetween two buildings 1 km apart. The ground between the buildings is flat but because facilities are in themountains, dense fog is an issue. There are no line of sight issues between the buildings. The link isexperiencing errors and throughput issues. Currently the two radios are set to operate at 2.4 GHz and thetransmit power is set to 7 dBm with 7 dBm antennas. What do you need to take into consideration whenperforming the site survey for this link?

A. Change the radio power to 17 dBm.B. Change the radio power to 20 dBm and replace with a 16 dBm antenna.C. Change the radio power to 29 dBm.D. Change the radio power to 13 dBm.

Correct Answer: DSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 9When planning to perform a customer WLAN site survey, which three components and tasks should beconsidered? (Choose three.)

A. Schedule a meeting with the customer to discuss the Statement of WorkB. Complete the Pre-Survey Customer QuestionnaireC. Schedule customer end user interviews

D. Consider travel, access, and equipment requirements necessary to perform the site surveyE. Schedule initial customer meeting and pre-survey walkthrough eventsF. Determine radiospectrum and channel allocationG. Determine AP and controller placementH. Determine customer training requirements

Correct Answer: BDESection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 10Which three statements describe WLAN RF interaction with environmental situations? (Choose three.)

A. Outdoor rain or indoor humidity affects diffraction.B. Outdoor rain or indoor humidity affects attenuation.C. RF frequency is inversely related to attenuation.D. RF frequency is directly related to attenuation.E. The human body affects diffusion.F. The human body affects attenuation.

Correct Answer: BDFSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 11Refer to the exhibit.

Which type of cable connector is displayed that is used to connect antennas to transmitters?

A. RP-TNC

B. NC. SMAD. SMBE. MMCX

Correct Answer: BSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 12Which two basic characteristics would be needed from antennas used for survey and deployment in variousindoor situations? (Choose two.)

A. Horizontally polarizedB. Vertically polarizedC. Aesthetically fittingD. Least costE. Highest gainF. Largest beamwidth

Correct Answer: BCSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 13Given an AP that can transmit at 100 mW and the client at 40 mW, which power setting should be used for asite survey?

A. 10 mWB. 20 mWC. 40 mWD. 60 mWE. 80 mWF. 100 mW

Correct Answer: BSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 14Which two statements best describe the Fresnel zone related to an outdoor RF point-to-point link? (Choosetwo.)

A. single elliptical area surrounding an RF line of sightB. multiple elliptical areas surrounding an RF line of sight

C. extends verticallyD. extends horizontallyE. extends three-dimensionally

Correct Answer: BESection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 15Which two statements best describe the Fresnel zone related to an outdoor RF point-to-point link? (Choosetwo.)

A. blocks no more than 20 percentB. blocks no more than 40 percentC. blocks no more than 60 percentD. comprises a single zone to keep clearE. comprises multiple zones of which the first inside zone is the most important to keep clearF. comprises multiple zones of which the outside zone is the most important to keep clear

Correct Answer: BESection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 16Which two basic factors have the most influence on the size of the Fresnel zone of an outdoor RF point-to-pointlink? (Choose two.)

A. beamwidthB. frequencyC. distanceD. horizontally polarized antennaE. vertically polarized antenna

Correct Answer: BCSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 17Mesh APs are commonly mounted alongside a pole, meaning they are both vertically aligned and the pole couldpartially block the mesh AP RF signal. What is the maximum degree angle to allow for blockage of the antennafield of view?

A. 2 degreesB. 5 degreesC. 10 degreesD. 15 degrees

Correct Answer: BSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 18Which item is more of an issue to outdoor wireless mesh deployment than indoor?

A. ReflectionB. ScatteringC. AbsorptionD. Delay spread

Correct Answer: DSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 19Refer to the exhibit.

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

A. Normal 802.11g activityB. Microwave oven interferenceC. Video camera interferenceD. Bluetooth device interferenceE. RF jammer

Correct Answer: ESection: 2

Explanation

Explanation/Reference:Explanation:

QUESTION 20Refer to the exhibit.

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

A. Normal 802.11g activityB. Microwave oven interferenceC. Video camera interferenceD. Bluetooth device interferenceE. RF jammer

Correct Answer: BSection: 2

Explanation

Explanation/Reference:Explanation:

QUESTION 21Refer to the exhibit.

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

A. Normal 802.11g activityB. Microwave oven interferenceC. Video camera interferenceD. Bluetooth device interferenceE. RF jammer

Correct Answer: C

Section: 2Explanation

Explanation/Reference:Explanation:

QUESTION 22Customer requirements and a WLAN site survey require a Cisco 1250 AP operating at full 802.11a/b/g/nlocated approximately 150 meters from the closest IDF. What is the best solution to provide wireless coverageto 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 toextend 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 transceiverwhich connects to a fiber link to the IDF. At the access switch, connect the fiber cable from the AP locationto 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 toprovide data access.

Correct Answer: ESection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 23You have completed a site survey for a customer that refurbishes/remanufactures automobile engines. The sitesurvey has determined that there are approximately 70 clients in the facility, but because of the large number ofengines as many as 2500 RFID tags will need to be tracked through location services to provide historicallocation information and audit trails. The results of the site survey require 60 APs for data and location services.How many version 7.0 controller(s) will provide the most cost effective solution?

A. 1 Cisco Catalyst 6500 Wireless Services Module generation 2(WiSM 2) with a 100 AP licenseB. 3 Cisco 2500controllers with 25 AP licensesC. 2 Cisco 2500controllers with 50 AP licensesD. 1 Cisco 5500 controller with a 50 AP license and a 25 AP license upgrade

Correct Answer: DSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 24Which two options indicate the RF channels regulated by 802.1h for outdoor deployment regarding FCC?(Choose two.)

A. 36, 40, 44, 48

B. 52, 56, 60, 64C. 100, 104, 108, 112D. 149, 153, 157, 161E. 165

Correct Answer: BCSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 25For better compatibility with 802.11n clients, which 802.11a channels should be utilized?

A. UNII-2 Band - extended channelsB. UNII-1 BandC. UNII-3 BandD. ISM Band

Correct Answer: BSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 26When using WCS 7.0 to calibrate a floor in a facility, which two factors are common to the point and linearcalibration methods? (Choose two.)

A. You must go through each collection point at a speed that isn't too fast to collect too much information nortoo slow which limits the amount of information collected.

B. You must sample both the 802.11a/n and the 802.11b/g/n network separately.C. If one collection point in the linear or point collection method is missed, you have to start at the beginning

again.D. Rotating the client is only required during the point collection process because the linear method is a slowly

moving process.E. You will only need to combine the linear and point collection methods in special spaces like hallways.

Correct Answer: ABSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 27After you have run the VoWLAN Voice Readiness Tool in WCS 7.0, you see there are potential problem areasin your facility. Which two actions will help you troubleshoot these coverage areas? (Choose two.)

A. Verify the green, yellow, and red regions in the RF environment only if the floor has not been calibrated.B. To prevent one-way audio, set the AP power levels to half the power of the client. This will ensure proper

radio coverage.C. You need to edit the RSSI values for Cisco IP Phones so the 802.11b/g/n radios display the region map

properly.D. Determine if the coverage area will have enough APs to support the VoWLAN client, since all APs must

have a Tx power level that does not exceed that of the client.E. Set the AP power level to match the VoWLAN client to avoid one-way audio.

Correct Answer: DESection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 28When using WCS 7.0 to calibrate a floor, is it more important to collect 50 or more distinct locations or to collect150+ measurements?

A. 150+ measurements are more important than the locations because the information gathered is moregranular.

B. Collecting 50 or more distinct locations is more important because this provides a wider coverage acrossthe floor being calibrated.

C. Depending on the size of the floor 50+ distinct locations and 150+ measurements may provide divergentinformation that requires more data collection.

D. When calibrating a floor 50 or more distinct locations will yield 150+ measurements because multiplemeasurements are collected at each distinct location.

Correct Answer: DSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 29In post-deployment testing you have identified an area where there is a substantial rate-shift issue causingproblems with the existing Cisco 7921 phones. How might you resolve this issue?

A. Increase the AP power level to maintain higher throughput further away from the AP.B. Increase client RSSI, SNR, and retry values to maintain connectivity to the original AP for as long as

possible.C. Change VoWLAN to 7925 phones.D. Reduce the power level of the AP so that roaming occurs before the client experiences the substantial rate

shift.

Correct Answer: DSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 30You have been asked to evaluate a deployed version 7.0 controller based WLAN, which includes a Cisco WCSand an MSE3310. Currently, the customer has a approximately 1900 clients and 300 RFID tags. The customeris complaining of problems tracking clients and RFID tags. What can be done to correct this problem?

A. Increase the wIPS license on the MSE3310.

B. Replace the MSE3310 with a MSE3355 and increase the wIPS license.C. Replace the MSE3310 with a MSE3355 and increase the Context-Aware license.D. Decrease the wIPS license on the MSE3310.E. Increase the Context-Aware license on the MSE3310.

Correct Answer: CSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 31You have been asked to evaluate a new version 7.0 controller-based WLAN deployment. Thecustomer wants to increase the number of indoor tags their network supports. How do you explain to thecustomer how wireless clients and RFID tags are licensed in the MSE?

A. There is a 2:1 relationship between the number of clients and RFID tags that can be supported in the MSE.B. The number of clients and RFID tags are independent of each other and have separate license bases.C. There is a 3:1 relationship between the number of clients and RFID tags that can be supported in the MSE.D. The relationship between clients and RFID tags is balanced. So if you have more clients you have fewer

RFID tags.E. RFID and wireless clients require separate dedicated MSE appliances.

Correct Answer: DSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 32Which type of information should be included in an installation report?

A. A complete characterization of the external WLAN environment.B. The exact number of users the WLAN will support.C. Soft copies of configuration for switches, routers, controllers, and location appliances.D. A detailed description of the WLAN environment during the post-installation testing, for example, number of

people present, furniture, no furniture, and sources of interference present.

Correct Answer: CSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 33What is the biggest challenge a customer faces when they are presented with the post-installation report?

A. Validating the information is correct.B. Interpreting the configuration parameters and settings for the WLAN devices.C. Maintaining the report so that once the first change to the WLAN is made the documentation remains

current.

http://www.gratisexam.com/

D. Maintaining the security of the report so that only IT personnel have access to the information contained inthe report.

Correct Answer: CSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 34In which two ways does the type of industry vertical change the way you prepare to perform a wireless sitesurvey? (Choose two.)

A. In most cases the specific industry vertical impact is not unique and information used to prepare for a sitesurvey can be reused from one vertical to another.

B. The first step in preparing for a site survey for a specific industry vertical is to review the individual industrystandards for a WLAN deployment to ensure compliance with all known standards.

C. Each industry vertical has its own specific challenges that need to be considered prior to completion of theWLAN site survey.

D. Prior to performing a site survey for a customer, their specific industry vertical has very little impact on sitesurvey process. Only post-survey design is impacted by the industry vertical.

Correct Answer: BCSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 35What are two reasons that it is always preferable to obtain a digital copy of the "as built" drawings for a site youneed to perform a WLAN site survey on? (Choose two.)

A. A digital copy of the "as built" drawings is always more accurate than design drawings because it includesthe placement of office furniture.

B. A digital copy of the "as built" drawings includes all the changes made during construction that are notincluded in the design drawings.

C. A digital copy of the "as built" drawings includes a full set of preliminary mechanical drawings so sources ofinterference, diffusion, and absorption can be easily identified.

D. A digital copy of the "as built" drawings allows you to more accurately estimate physical AP placement in thecustomer environment.

E. A digital copy of the "as built" drawings assists in the placement of WLAN equipment so the WLAN signalminimizes wired network delay.

Correct Answer: BDSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 36You have a client that would like to upgrade their 2.4-GHz point-to-point wireless bridge linkbetween buildings in their facility in Mexico. Currently, they have radios from vendor A that are transmitting at14 dBm with 6 dBm antennas. They would like to upgrade the radios to vendor B but keep the existingantennas. The new radios from vendor B have a fixed transmit power of 7 dBm. How should you proceed?

A. Install the new radios with existing vendor A antennas.B. Install new radios with replacement vendor A antennas rated at 13 dBm.C. Install new radios with replacement vendor A antennas rated at 30 dBm.D. Install the new radios with new vendor B antennas rated at 29 dBm.E. Install the new radios with new vendor B antennas rated at 13 dBm.

Correct Answer: ESection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 37You have a customer that operates a large open pit coal mine in the western United States. They need todeploy a wireless point-to-point bridge link across the mine. The distance of the link is 1.5 miles. Which threethings do you need to consider prior to performing the site survey for this bridge link? (Choose three.)

A. What specific EPA training will be required prior to entering the customer site?B. Is a specific Mine Safety and Health Administration training course and certificate required prior to entering

the customer site?C. What specific FCC training will be required prior to entering the customer site?D. Will any specialized equipment or clothing will be required to perform the site survey?E. Will customer escorts be needed during the site survey?

Correct Answer: BDESection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 38Which three things do you need to consider prior to performing a wireless site survey? (Choose three.)

A. The time required to acquire any additional infrastructure components.B. The time required to survey each potential AP location.C. The time required to assess application server locations at the customer facility.D. The type of wireless survey tools required to perform the site survey.E. The time required to assess customer WLAN density and throughput requirements.F. The time required to utilize the design mode in Cisco WCS to prepare a preliminary WLAN design to reduce

on-site survey time.

Correct Answer: BDESection: 3

Explanation

Explanation/Reference:Explanation:

QUESTION 39Which infrastructure issue needs to be verified and potentially resolved before deploying a centralized 802.11nWLAN?

A. That all the access layer switches that the 802.11n APs will connect to support 802.3af power.B. That all the access layer switches that the 802.11n APs will connect to contain 10/100/1000 Ethernet ports.C. The location of application and authentication servers.D. The proposed location for the WDS server.E. The proposed location for the WCS.

Correct Answer: BSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 40Refer to the exhibit.

The signal is being degraded to the point of link drops. You have examined the roof and the visual sighting ofthe remote antenna. What could be causing the issue?

A. The receiving antenna is too close to the transmitting antenna.B. The first Fresnel zone is more than 60% blocked by the parapet.C. The visual line of sight is more than 60% blocked by the parapet.

D. The cable between the APs and the antennae is introducing too much loss.E. The roof material is absorbing too much of the signal.

Correct Answer: BSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 41Which three basic pieces of information will you need to perform a WLAN site survey? (Choose three.)

A. How many customer user interviews will be required?B. Which network hardware vendor do they currently use for their infrastructure?C. What is the location of the facility that needs to be surveyed?D. What financial information will my company need to provide to the customer?E. How many engineers will be required to perform the work?F. What is the expected timeline to complete the project?

Correct Answer: CEFSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 42When discussing a WLAN site survey project with a customer, which four things do you need to know about thescope of the project before starting? (Choose four.)

A. Is the project funded?B. Internally, who or which group is driving this project?C. Is this a new project, an extension, or a modification to an existing WLAN?D. How many APs and controllers are projected to be needed?E. How many members of the customer IT staff will require training?F. Can the survey be accomplished in the time allotted?G. How many user groups will need to be interviewed?H. Will site survey engineers need to shadow user as they perform their work duties?

Correct Answer: ABCFSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 43Which term defines the effects on RF known as free space path loss?

A. ScatteringB. AbsorptionC. DiffusionD. Diffraction

E. Reflection

Correct Answer: CSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 44You have completed a WLAN site survey for a customer. Which two pieces of information will need to beincluded in the final customer report? (Choose two.)

A. Location and placement of application serversB. The number of active users that are planned to use the system in a specific areaC. The number of APs dedicated to location servicesD. The results from customer end user interviewsE. Analysis of WLAN signals on the networks of neighboring companies

Correct Answer: BCSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 45Refer to the exhibit.

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

A. Normal 802.11b activityB. Normal 802.11g activityC. Microwave oven interferenceD. Video camera interferenceE. Bluetooth device interference

Correct Answer: BSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 46Which option describes the method of measuring the beamwidth of an antenna?

A. 30 degrees on each side from the main lobe gain

B. 60 degrees on each side from the main lobe gainC. - 3 dB on each side from the main lobe gainD. - 6 dB on each side from the main lobe gain

Correct Answer: CSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 47Given a new VoWLAN survey and deployment using 7921G phones, which three items would be the bestrecommendations for survey and deployment? (Choose three.)

A. 2.4 GHz deploymentB. 5 GHz deploymentC. 11 Mb/s mandatory rate with lower rates disabledD. 12 Mb/s mandatory rate with lower rates disabled and optional 36 Mb/s higher disabledE. -65 dBm cell edge with 25 dB SNRF. -67 dBm cell edge with 10 dB SNR

Correct Answer: BDESection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 48When does the curvature of the earth become a factor in an outdoor RF point-to-point link?

A. 4 milesB. 7 milesC. 10 milesD. 12 milesE. 15 miles

Correct Answer: BSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 49Which two issues can commonly create problems with positioning an antenna on a rooftop? (Choose two.)

A. Reflection from the rooftopB. Absorption from the rooftopC. Fresnel obstruction from rooftop edgeD. Lack of PoE for APE. Other antennas

Correct Answer: CESection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 50Which item is the most common limiting factor in an outdoor coverage for mesh deployment?

A. 5GHz MAP to RAP backhaulB. 2.4GHz MAP to RAP backhaulC. 2.4GHz MAP accessD. 2.4GHz client

Correct Answer: DSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 51What is the optimal distance between APs for location services without taking into consideration the physicalenvironment?

A. 90 to 120 feetB. 80 to 100 feetC. 40 to 70 feetD. 10 to 25 feetE. 5 to 20 feet

Correct Answer: CSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 52When ordering the software licenses for a Cisco WLAN project, what are the minimum software packagesrequired if the location requires 390 lightweight APs, 100 of which will be used forlocation services, and a Cisco 3310 MSE?

A. One 500 AP single server license package for the WCS and one 3000 device license for the MSE.B. One 1000 AP single server license package for the WCS and one 500 device license for the MSE.C. One 1000 AP single server license package for the WCS and one 3000 device license for the MSE.D. One 500 AP single server license package for the WCS and one 1000 device license for the MSE.E. One 1000 AP single server license package for the WCS and one 2000 device license for the MSE.

Correct Answer: ASection: 4Explanation

Explanation/Reference:

Explanation:

QUESTION 53Which two factors influence the density of APs in a data-only WLAN environment? (Choose two.)

A. Channel reuse and WLAN bandwidthB. The type of controller chosen.C. The defined coverage area and customer needs.D. The number of clients that will roam through the facility.E. The number of APs dedicated to voice services.

Correct Answer: ACSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 54What is the result if a client radio is incapable of supporting all the 5 GHz channels you have deployed in thecontroller 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.

Correct Answer: CSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 55When performing a post-installation audit with an auditing tool such as Ekahau, which three steps areassociated with the passive portion of the audit? (Choose three.)

A. Check for co-channel interference.B. Make sure you emulate your customer client.C. Survey by SSID to ensure roaming is taking place.D. Check that you have adequate signal levels as surveyed.E. Verify that the network traffic of physical data rate and packet loss meets user requirements.F. Verify AP announced data rate coverage.

Correct Answer: ADFSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 56When performing a post-installation audit with a auditing tool such as Ekahau, which two steps are associatedwith the active portion of the audit? (Choose two.)

A. Check that all channels are supported by the APs regardless of client capabilities.B. Check for co-channel interference by standing near an access point on one channel and watching for other

access points that are on the same channel.C. Verify that the network traffic of physical data rate and packet loss meets user requirements.D. Verify smooth roaming.E. Check to see if the signal level on other access points that are heard on the same channel is at least 19

dBm weaker than the access point that you are next to.

Correct Answer: CDSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 57If you are calibrating for 2.4 GHz and the site will not be using 802.11 and 802.11b data rates, what should bedone to ensure an accurate calibration?

A. Make sure that the access points have the unused rates disabled.B. Make sure that you are using an 802.11b client when calibrating.C. Make certain that there are no legacy clients when performing the calibration because they will disrupt the

process.D. Make sure to use a client that supports both 802.11b/g and 802.11a.

Correct Answer: ASection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 58What is the basic difference in the manner in which a client location is determined on a map when using CiscoWCS Location v7.0 versus Cisco WCS Base?

A. Cisco WCS Base uses SNR from two or more APs, and Cisco WCS Location uses the SNR from theclosest AP.

B. Cisco WCS Base uses highest SNR signal from a single AP, and Cisco WCS Location uses highest SNRsignal from two or more APs.

C. Cisco WCS Base uses RSSI from a single AP, and Cisco WCS Location compares the RSSI signalstrength from two or more APs.

D. Cisco WCS Base uses RSSI from two or more APs, and Cisco WCS Location uses RSSI from the closestAP.

Correct Answer: CSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 59What two factors could cause a post-deployment audit to show a high retransmission rate for the WLAN?(Choose two.)

A. CRC errorsB. Rate shiftingC. CCX compatible clientsD. High SNR valuesE. High RSSI values

Correct Answer: ABSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 60In performing a post-deployment audit, you are concerned by significant changes in measured RSSI and SNRvalues taken on a wireless client in one location. How do you explain the differences in these values?

A. The differences in the RSSI and SNR values are a result of signal diffusion in the environment.B. The differences in the RSSI and SNR values are a result of multipath in the environment.C. The differences in the RSSI and SNR values are a result of signal absorption in the environment.D. The differences in the RSSI and SNR values are a result of signal diffraction in the environment.

Correct Answer: BSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 61Which two types of information should be included in the installation inventory portion of the post- installationreport? (Choose two.)

A. All AP, controller, and MSE administrator credentialsB. The number and type of all WLAN clients and tagsC. The names, locations, IP addresses, MAC addresses, etc. for every AP, controller, and MSE in the WLAND. Results of the coverage audit performed with the site survey mapping tool

Correct Answer: ACSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 62Which three types of WLAN data, location, and voice testing should be included in the installation customerreport? (Choose three.)

A. Results of the coverage audit performed with the site survey mapping tool per media installed on 802.11a/b/g/n networks

B. Results of the WCS planning toolC. Results from Cisco Unified Communications Manager cluster failover testsD. Results of a location readiness test

E. Results from a WCS WLAN client auditF. Results from an ISP throughput test

Correct Answer: ADFSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 63Which three components make up a Statement of Work? (Choose three.)

A. Post-survey recommendationsB. WLAN testing informationC. A list of changes in scopeD. Survey typeE. A list and description of locations to be surveyed.F. Confirmation of timeline and costG. A list of equipment required to perform network analysis

Correct Answer: DEFSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 64Which three are logistical issues that need to be taken into consideration prior to performing a site survey?(Choose three.)

A. What level of client density and throughput is expected for each WLAN cell?B. Will security clearances be required to perform the site survey?C. How much time will be required to survey each potential AP location?D. Will contractor badges and employee or union escorts be required while performing the site survey?E. Is access available to customer employees so initial interviews can be performed?F. Will any facility orientation be required prior to performing the site survey?

Correct Answer: BDFSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 65You have completed a WLAN site survey for a customer. Which two pieces of information will need to beincluded in the final customer report? (Choose two.)

A. Client association reportB. Client inventoryC. Printed cable scan certification resultsD. Map location of all APs and controllers

E. WCS device inventory report of only the AP, WLC, and location server (MSE)

Correct Answer: CDSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 66Refer to the exhibit.

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

A. Incorrect BGNB. Default BGNC. SNRD. Absorption and scattering caused by weather conditions.E. Incorrect radio configuration

Correct Answer: CSection: 5Explanation

Explanation/Reference:Explanation:

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QUESTION 67When designing for location services, how many APs should be heard by each location-ready AP and at whatdBm signal level? (Choose two.)

A. At least 1 to 2 APs at a signal level of -67 dBm or betterB. No more than 3 APs at a signal level of -72 dBm or better

C. At least 5 to 6 APs at a signal level of -75 dBm or betterD. At least three and preferably four at a signal level of -75 dBm or betterE. As many APs as possible at a signal level of -72 dBm or better

Correct Answer: CDSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 68When designing a WLAN, AP placement is important. How would you rank the density of APs needed tosupport location services versus data and voice services?

A. Voice and data services both require a higher density of APs than location services.B. Data services have a lower density of APs compared to location services, but more than voice.C. Voice services have the highest density of APs over location and data services.D. Data services have the lowest density of APs compared to location services, which has the

highest density.

Correct Answer: DSection: 5Explanation

Explanation/Reference:Explanation:

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