CWNA-108試験無料問題集（123題）「CWNP Certified Wireless Network Administrator 認定」

出題：1

You are a small business wireless network consultant and provide WLAN services for various companies. You receive a call from one of your customers stating that their laptop computers suddenly started experiencing much slower data transfers while connected to the WLAN. This company is located in a multi-tenant office building and the WLAN was designed to support laptops, tablets and mobile phones. What could cause a sudden change in performance for the laptop computers?

A. The antennas in the laptops have been repositioned.

B. A few of your customer's users have Bluetooth enabled wireless headsets.

C. The sky was not as cloudy that day as it typically is and the sun also radiates electromagnetic waves.

D. A new tenant in the building has set their AP to the same RF channel that your customer is using.

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

What statement about the beamwidth of an RF antenna is true?

A. The beamwidth patterns on an antenna polar chart indicate the point at which the RF signal stops propagating.

B. Vertical beamwidth is displayed (in degrees) on the antenna's Azimuth chart.

C. Horizontal and vertical beamwidth are calculated at the points where the main lobe decreases power by
3 dB.

D. When antenna gain is lower, the beamwidth is also lower in both the horizontal and vertical dimensions.

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

You are implementing a multi-AP WLAN and fast secure roaming is essential. Which one of the following methods is an IEEE 802.11 standard method for fast roaming?

A. Load balancing

B. OKC

C. FT

D. Band steering

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

What 802.11 network configuration would result in multiple stations broadcasting Beacon frames with the same BSSID but with different source addresses?

A. A single AP supports multiple BSSs with different SSIDs.

B. Multiple APs have been loaded with the same configuration from an image file.

C. An SCA network is in use.

D. An IBSS is used instead of a BSS.

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

You have received a report of poor wireless connections on the third floor of a building under your administration. Three individuals have reported the problem. Apparently, the connections are reporting a strong signal, but the users cannot access the Internet. With the problem identified, what is the next logical step in the troubleshooting process?

A. Create a plan of action or escalate the problem

B. Discover the scale of the problem

C. Perform corrective actions

D. Verify the solution

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

What statement about 802.11 WLAN bridges is true?

A. WLAN bridges only work in the 2.4 GHz frequency band and they support only SISO communications

B. WLAN bridges may support MIMO communications, but only if used in the 5 GHz frequency band

C. WLAN bridges must be implemented such that no interference occurs on the channel anywhere between the two endpoints used to establish the bridge

D. WLAN bridges must use a channel with acceptable SNR at both transceivers to maintain the desired data rate bi-directionally

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：7

You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results? Choose the single best answer.

A. Every 5 meters and alongside each AP

B. In critical areas where WLAN performance must be high

C. Above the plenum on each floor

D. In switching closets

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：8

What feature of 802.1 lax (HE) may impact design decisions related to AP placement and the spacing between same-channel BSS cells (3SAs) because it is designed to reduce overlapping BSS contention?

A. uplink MU-MIMO

B. 6 GHz band support

C. BSS Color

D. TWT

正解：C 解答を投票する

出題：9

Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?

A. Grid and sector

B. Dipole and yagi

C. Dish and grid

D. Patch and panel

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：10

What factors will have the most significant impact on the amount of wireless bandwidth available to each station within a BSS? (Choose 2)

A. The layer 3 protocol used by each station to transmit data over the wireless link

B. The presence of co-located (10m away) access points on non-overlapping channels

C. The power management settings in the access point's beacons

D. The number of clientstations associated to the BSS

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

CWNA-108試験無料問題集「CWNP Certified Wireless Network Administrator 認定」