网络优化考试
RSSI是Received Signal Strength Indicator的英文缩写。
题目
RSSI是Received Signal Strength Indicator的英文缩写。
相似问题和答案
第1题：
"How do you read?" "I read you with signal strength one".
A.poor
B.bad
C.fair
D.good
第2题：
The AirMagnet passive site survey tool can provide RF coverage data， except for which parameter？（）
- A、Signal strength （4th access point）
- B、Signal strength （3rd access point）
- C、Channel interference
- D、Predictive physical data rate downlink （2nd access point）
正确答案:A
第3题：
A. signal strength 5dBm
B. signal strength 6dBm
C. noise level 4dBm
D. noise level 5dBm
第4题：
什么是RSRP？（）
- A、The received power on the resource elements that carry cell-specific reference signals
- B、wideband power
- C、N times the Reference Signal Received Power divided by the total received power in the channel bandwidth
- D、Signal to Interference plus Noise Ratio
正确答案:A
第5题：
Which value is NOT supported by Cisco Spectrum Expert， when checking for RF coverage？（）
- A、Access point received-signal strength level
- B、Spectrum utilization
- C、Client data rate
- D、In-band radio frequency interference
正确答案:C
第6题：
If the radio signal ground wave extends out for less distance than the minimum skywave distance，there is an area in which no signal is received．This is called the ______．
A.Skip zone
B.Blackout zone
C.Diffraction zone
D.Shadow zone
第7题：
What does a broad-spectrum interferer lower？（）
- A、SNR
- B、noise floor
- C、level of interference
- D、Received Signal Strength Indicator
正确答案:A
第8题：
A.The received power on the resource elements that carry cell-specific reference signals
B.wideband power
C.N times the Reference Signal Received Power divided by the total received power in the channel bandwidth
D.Signal to Interference plus Noise Ratio
第9题：
A client states they are receiving poor signal strength on their wireless Internet connection. Which of the following is MOST likely causing the interference?（）
- A、Cordless phones
- B、Drywall
- C、Access points
- D、Microwaves
- E、Fluorescents lights
正确答案:A,D
第10题：
Which signal and noise values will result in the best phone communication with an access point？（）
- A、 Signal strength 0dBm， noise level 6dBm
- B、 Signal strength 8dBm， noise level 9dBm
- C、 Signal strength 4 dBm， noise level 4 dBm
- D、 Signal strength 6dBm， noise level 5 dBm
正确答案:A