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Cisco Certkey 642-732 Questions & Answers Number : 642-732 Passing Score : 800 Time Limit : 120 min File Version : 21.7 http://www.gratisexam.com/ Cisco 642-732 Questions & Answers Exam Name: CCNP Wireless - CUWSS For Full Set of Questions please visit: http://www.certkey.com/642-732.html Sections 1. 1 2. 2 3. 3 4. 4 5. 5
Transcript

Cisco Certkey 642-732 Questions & Answers

Number: 642-732Passing Score: 800Time Limit: 120 minFile Version: 21.7

http://www.gratisexam.com/

Cisco 642-732 Questions & Answers

Exam Name: CCNP Wireless - CUWSS

For Full Set of Questions please visit: http://www.certkey.com/642-732.html

Sections1. 12. 23. 34. 45. 5

Certkey

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 4During the site survey kick-off meeting with your customer, they ask why you need to verify the existing networkinfrastructure. Which two reasons do you give them? (Choose two.)

A. You need to verify the make, model, and software versions of all the equipment that will connect to theWLAN components in order to ensure compatibility.

B. You need to verify that the equipment the WLAN components will connect to has sufficient memory capacityto support the additional WLAN connections.

C. You need to verify that there are sufficient switch ports to support the new WLAN connections.D. You need to verify that the switches the WLAN components will connect to can supply 802.3af inline power,

and that they have sufficient ports to support all the new WLAN devices.E. Depending on the type of APs that are planned for, the deployment may require different types

of PoE to be supplied by the LAB switches.

Correct Answer: CDSection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 5After 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.)

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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 6Which option allows the maximum 2.4-GHz channel usage for a survey and data deployment in the ETSIdomain?

A. 1, 6, 11B. 1, 5, 9, 13C. 1, 6, 9, 14D. 1, 6, 11, 14

Correct Answer: BSection: 1Explanation

Explanation/Reference:Explanation:

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

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

Correct Answer: ESection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 8When 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 interviewsD. 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 9Which three components and tasks should be considered while planning the site survey? (Choose three.)

A. Determine the project scope, type of deployment, timeline, scale, budget, and usersB. Determine project stakeholdersC. Determinecustomer training requirements

D. Determine AP and controller placementE. Determine the customer applications that the network will supportF. Determine radiospectrum and channel allocationG. Schedule customer end user interviews

Correct Answer: ABESection: 1Explanation

Explanation/Reference:Explanation:

QUESTION 10Which 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 11Given 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 12Which 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 13Mesh 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 14Refer 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 15Refer 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: 2Explanation

Explanation/Reference:Explanation:

QUESTION 16Refer 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: CSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 17What is the result of a Cisco 1250 AP deployed for 802.11a/b/g/n using optimized power (16.8 W) with softwareversion 7.0?

A. One spatial stream per radioB. One spatial stream on 2.4 GHz and two spatial streams on 5 GHzC. One spatial steam on 5 GHz and two spatial streams on 2.4 GHzD. Reduced power on both radiosE. Reduced power on 2.4 GHz radio onlyF. Reduced power on 5 GHz radio only

Correct Answer: ESection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 18You have a customer that is building a new campus of four 3-story buildings that you have just completed thesite survey for. The customer is interested in the amount of rack space they will need to allocate in either thebuilding MDF or in the data center for controllers. Each building is going to require 75 APs to support voice anddata. How should the controllers be deployed to provide the least number of controllers, the highestredundancy, and the easiest management?

A. Use the distributed deployment method in each building MDF with the N + N redundancy method.B. Use the centralized deployment method in the data center with the N + N + 1 redundancy method.C. Use the distributed deployment method in each building MDF with the N + 1 redundancy method.D. Use the centralized deployment method in the data center with the N + 1 redundancy method.E. Use the distributed deployment method in each building MDF with the N + N +1 redundancy method.F. Use the centralized deployment method in the data center with the N + N redundancy method.

Correct Answer: BSection: 2Explanation

Explanation/Reference:Explanation:

QUESTION 19For 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 20When 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 21When 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 22You 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: D

Section: 3Explanation

Explanation/Reference:Explanation:

QUESTION 23Which 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 24In 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 25You have been contacted by a medium sized medical center to do a site survey of their existing WLAN. Thecurrent network is set up with multiple SSIDs/VLANs to separate voice and data and the networks functioningproperly. The medical center would like to add Vocera voice badges to the existing VoWLAN. Which two issuesneed to be considered during the site survey? (Choose two.)

A. The additional voice endpoints may increase additional load, which may increase delay in the WLAN andcause voice quality to degrade.

B. There will not be any issues due to adding the Vocera voice badges because they are point-to- pointdevices and do not require the infrastructure to communicate.

C. Verify the WLAN is multicast enabled for Vocera voice badges.D. To make these devices as efficient as possible, the Vocera voice badges should be placed on their own

unicast SSID/VLAN.E. Verify the WLAN that is being used by the Vocera voice badges is configured in the WLC to use the Gold

QoS value.

Correct Answer: ACSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 26Refer 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 27Aside from software applications, which two tools will be important to have when performing a WLAN sitesurvey? (Choose two.)

A. Measuring toolsB. Temporary attachment devices (tie-wraps, clamps, duct tape)C. Architectural design drawingsD. Different sizes and types of wrenches and pliersE. Portable battery packs to power WLAN clientsF. Flag tape to outline wireless cell dimensions

Correct Answer: ABSection: 3Explanation

Explanation/Reference:Explanation:

QUESTION 28You have a customer that is renovating a historic building for a new headquarters. The building was once an oldmanufacturing plant. It is constructed of brick with heavy timber beams. Whattype of RF issues do you expect to see while performing the site survey?

A. The RF signal will be reflected by the brick walls.B. The RF signal will be absorbed by the brick walls and wooden beams and floors.C. The RF signal will be diffused by the brick walls and wooden beams and floors.D. The brick walls and wooden beams and floors will cause the RF signal to be diffracted.

Correct Answer: BSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 29Which term defines the effects on RF known as free space path loss?

A. ScatteringB. AbsorptionC. DiffusionD. DiffractionE. Reflection

Correct Answer: CSection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 30You 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 services

D. 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 31Refer 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: ESection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 32Which option describes the method of measuring the beamwidth of an antenna?

A. 30 degrees on each side from the main lobe gainB. 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 33When 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 34Which 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 AP

E. Other antennas

Correct Answer: CESection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 35What 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 36Which 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 37When designing and deploying an outdoor mesh network, what is the appropriate RF cell overlap?

A. 10 percentB. 15 percentC. 20 percentD. 25 percentE. Application dependent

Correct Answer: ESection: 4Explanation

Explanation/Reference:Explanation:

QUESTION 38When 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 39If 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 40What 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 41In 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 42Which three types of information should be included in the post-installation customer report? (Choose three.)

A. VLAN structure and naming conventionB. Throughput and dB loss for all fiber-optic backbone connectionsC. Naming convention for APs and controllersD. Reachability status for all WLAN clients and tagsE. The number of licenses consumed by clients and tags at installationF. Any locations in the WLAN coverage that are secure and require special access

Correct Answer: ACESection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 43Which 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 44Which 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 45Refer 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:

QUESTION 46A 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 streamB. 20 MHzC. 150 Mb/sD. 72 Mb/sE. 144 Mb/sF. 2 spatial streamsG. 40 MHzH. 300 Mb/s

Correct Answer: ACGSection: 5Explanation

Explanation/Reference:Explanation:

QUESTION 47When 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:

QUESTION 48In 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 49When performing a post-installation audit using the Ekahau Survey tool, which four steps are associated withthe passive portion of the audit? (Choose four.)

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 real-world network traffic (for example, physical data rate, packet loss, etc.) meets user

requirements.D. When you have completed the post-installation surveys, compare them to the surveys that were performed

before the installation. They should look nearly identical.E. Check to see if the signal levels on other access points that are heard on the same channel are at least 19

dBm weaker than the access point that you are next to.F. Survey by SSID to ensure that smooth roaming is taking place.

Correct Answer: ABDESection: 5Explanation

Explanation/Reference:

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