CWDP-304無料問題集「CWNP Certified Wireless Design Professional」

質問 1

While configuring your site survey software for an upcoming manual survey project, you notice the configuration option for "Network Card Simulation". What is the purpose of such a feature and when would you use it?

（A）This is the configuration area in which you specify the adapter type that will be used for the site survey so that the survey software can interpret that adapters reported metrics (based on proprietary formulas) into an RF measurement that is standardized by the survey software and known to its users. This is done

（B）This setting allows the site survey software to convert the APs measured downlink RF data into a simulated data set as if the same data were transmitted by a specific client station. It is useful for determining uplink client performance when clients are located far from APs as well as projecting cell size for ad hoc networks.

（C）Since WLAN adapters are not typically calibrated by manufacturers, this setting is a form of software calibration in which you can calibrate an (uncalibrated) adapter to match one of the calibrated adapters shown in the list. This process improves the reliability of RF data collection and reporting when uncalibrated adapters are used.

正解：B 解答を投票する

質問 2

What is the most appropriate antenna which will require the least Intentional Radiator power for a point-to- point bridge link spanning 1200 meters?

（A）11 dBi omnidirectional

（B）11 dBi disn

（C）2.2 dBi omnidirectional

（D）5 dBi patch

正解：B 解答を投票する

質問 3

You have been tasked with performing safety and operations training for outdoor bridge link installation. The antennas are to be installed on a 70-foot tower on one end and the roof top of an office building on the other end.
What might be required for the tower installation?
Response:

（A）APs that are designed to operate above 70 feet.

（B）Special antennas that avoid reflections on the tower poles.

（C）Hiring a certified tower installer.

（D）Special RF cables that will not create loss incurred by the metal tower construction.

正解：B 解答を投票する

質問 4

You performed a site survey with two USB Wi-Fi adapters using a special driver written for the site survey software. After deployment, you realized that the client devices used by your customer are getting lower RSSI values than that shown during your site survey. What is the most likely reason for this result?

（A）USB Wi-Fi adapters have a greater sensitivity than internal Wi-Fi adapters.

（B）USB Wi-Fi adapters designed for site surveys may have better sensitivity than regular Wi-Fi cards installed in client devices.

（C）Regular Wi-Fi cards installed in client devices do not support the same protocols as survey adapters.

（D）The transmit power on the APs is higher than needed.

正解：B 解答を投票する

質問 5

In a large enterprise (5000+ wireless users), by what would NOT be a recommended method by which IP addresses and VLANs are assigned to different clients associated to the same AP?

（A）Multiple VLAN pools are designated for an SSID and user IP addresses are selected in a round-robin fashion from the associated pools

（B）Upstream AAA servers dynamically assign VLANs to each user or group profile

（C）Each SSID is mapped to a static VLAN assignment

（D）Radio signal metrics (RSSI, SNR, etc.) of WLAN clients are triangulated for location-based VLAN assignment during association

正解：D 解答を投票する

質問 6

When troubleshooting coverage issues for a wireless network as it appears to new client associations, you should perform which type of survey?
Response:

（A）Predictive survey

（B）A survey is not necessary.

（C）Passive survey

（D）Active survey

正解：C 解答を投票する

質問 7

What roaming technology uses stored keys at the APs for roam back if a client STA returns after having roamed away?
Response:

（A）Preauthentication

（B）PMK caching

（C）SCA roaming

（D）OKC

正解：B 解答を投票する

質問 8

When a WLAN controller sends an 802.11 frame to a lightweight AP for transmission on the wireless medium, how does it mark the frame for
802.11 QoS priority?

（A）The WLAN controller does not mark the 802.11 frames with priority values only the Layer 3 routers can do this.

（B）The WLAN controller does not mark 802.11 frames with priority values only the APs can do this.

（C）The WLAN controller will place the user priority (UP) value in the QoS Control field of the 802.11 frame header before passing it to the lightweight AP.

（D）The WLAN controller does not mark the 802.11 frames with priority values only the Layer 3 switches can do this.

正解：C 解答を投票する

質問 9

Your customer's 802.11n laptops are not able to see the SSID in the 5 GHz band in the conference room.
When doing a walkthrough using one of
these laptops, you confirm that it is unable to see the SSID in the 5 GHz band in the conference room. When using your own 802.11 ac laptop, you're able to see the SSID. What is the most likely cause of this problem?

（A）Their laptops are SISO clients

（B）The customer laptop does not support Transmit Beamforming

（C）The AP is on channel 144

（D）The AP is configured to use channel 36

正解：C 解答を投票する

質問 10

What might limit the ability to locate 802.11 clients using a WLAN infrastructure without an 802.11 tag?
(Choose all that apply.)

（A）When it is off

（B）When its radio is disabled

（C）RF channel selection

（D）Lack of 802.11k support

正解：A、B 解答を投票する

質問 11

Name the audience type not addressed in this chapter for HLDs.
Response:

（A）Operations

（B）Executives

（C）Designers

（D）Engineering

正解：A 解答を投票する

質問 12

Modulation can be defined as:
Response:

（A）The process of incorporating a chipping code to build resilience

（B）The process of modifying a carrier signal to represent data

（C）The process of representing data using RF coding

（D）The process of encoding data symbols using a carrier frequency

正解：B 解答を投票する

CWDP-304 無料問題集「CWNP Certified Wireless Design Professional」

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