CWNP Certified Wireless Design Professional 認定 CWDP-304 試験問題:
1. When surveying an existing WLAN infrastructure for a possible redesign, you use two Wi-Fi USB adapters to collect RSSI data and two USB spectrum analysis adapters to collect RF spectrum data. Since your laptop doesn't have enough USB ports, you use a 4-port powered USB 3.0 hub.
What issues could be caused by the use of USB 3.0 that will impact your site survey?
A) It does not give you enough power for all four of your adapters.
B) It generates noise in the 2.4 GHz band, giving you a false perception of the noise floor.
C) It does not give you enough bandwidth to collect data coming from all of the adapters.
D) It generates noise in the 5 GHz band, giving you a false perception of the noise floor.
2. A bandpass filter has a maximum in-band loss of 1.5 dB, ripple of 0.4 dB, and a return loss of 15 dB. What is the minimum in-band loss?
Response:
A) 1.9 dB
B) 1.5 dB
C) 13.5 dB
D) 1.1 dB
3. Of the following antenna connector types, which one is the smallest?
A) Male N Connector
B) MC Connector
C) RP-TNC
D) N Connector
4. You are site surveying a network for VoWiFi. You have positioned an AP for a manual survey and are moving away from the AP with a phone in Survey Mode in your hand and you are reading the RSSI value of the signal received from the AP. You have previously determined that the noise floor was approximately -94 dBm on this floor of the building. The phones documentation does not specify a recommended RSSI or SNR value for best performance.
Based on the information provided and the type of device (VoWiFi phone) you are deploying, what minimum RSSI should you plan for in all areas you are monitoring and where VoWiFi service is desired?
A) - 67 dBm
B) - 62 dBm
C) - 75 dBm
D) - 72 dBm
5. To increase capacity in a coverage-based wireless network, which of the following techniques are typically recommended?(Choose all that apply.) Response:
A) Add additional APs and use directional antennas.
B) Lower power on the access points and, after careful planning, add more AP
C) Maximize airtime usage by disabling lower data rates.
D) Turn up power on the access points.
質問と回答：
| 質問 # 1 正解： B | 質問 # 2 正解： D | 質問 # 3 正解： C | 質問 # 4 正解： A | 質問 # 5 正解： A、B、C |
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