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. The transmit power on the APs is higher than needed.
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. USB Wi-Fi adapters have a greater sensitivity than internal Wi-Fi adapters.
正解:B
質問 2:
When using a predictive design tool, you have selected APs with an antenna gain 3 dBi and set the transmit power of the predicted APs to 25 mW. What should be EIRP of the APs in the design?
A. 125 mW
B. 11 dBm
C. 6.25 mW
D. 17 dBm
正解:D
質問 3:
When installing APs on high ceilings, what should be the most common PPE to be used?
A. Clean suits, gloves and jacket
B. Glasses, gloves and jacket
C. Hardhat, high visibility vest and body belt
D. Clean suits, masks and glasses
正解:C
質問 4:
You and 10 other people are connected to a public hotspot. You issue a ping sweep on the network, but you can't find any devices on the same subnet as yours. What feature might be enabled on the WLAN infrastructure that is preventing you from communicating with other devices on that subnet?
A. OSPF external routes
B. Band steering
C. Peer-to-peer blocking
D. Load balancing
正解:C
質問 5:
When doing some frame capturing over the air during a voice call, you realized that frames on the downlink (from the AP to the client) direction are not being transmitted with the correct UP value for voice frames, but on the uplink (from the client to the AP) direction are being transmitted correctly. What's the cause of this issue?
A. Bad client driver
B. Somewhere on the wired network QoS markings aren't being trusted
C. AP is not receiving enough PoE, thus not using QoS features
D. Faulty antenna on the AP
正解:C
質問 6:
Aesthetics are very important in some environments. What common installation technique can be used to best meet this requirement in a stadium?
A. Using enclosures under the seats or on hand-rails
B. Mounting on a non-fixed pole
C. Mounting on the walls
D. Painting to match team colors
正解:D
Aizawa -
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