최신 HCNA H35-510 무료샘플문제:
1. At present, in most GSM networks, each base station is asynchronous, and each base station uses a different frame number and offset value.
A) True
B) False
2. In the case of small base station spacing in dense urban areas, which of the following statements about the principles for antenna selection are correct? (Multiple choice)
A) Selection of antenna gain: In order to enhance coverage and maximize signal strength, a high gain antenna of 18dBi or more is required;
B) Selection of the direction map: In the urban area, it is mainly considered to improve the frequency reuse degree, so the directional antenna is generally selected.
C) Selection of half-power beamwidth: In order to better control the coverage of the cell to suppress interference, the urban antenna horizontal half-power beamwidth is selected from 60 to 65 degrees.
D) Selection of polarization mode: Due to the difficulty in selecting the site address of the urban base station and the limited installation space of the antenna, it is recommended to use a dual-polarized antenna.
3. Under the condition of Any carrier to interference ratio, the data transfer rate with using MCS9 channel coding scheme is higher than the one with using MCS5 channel coding scheme.
A) True
B) False
4. What are the types of radio wave propagation in land mobile communications? (Multiple choice)
A) Diffraction wave
B) Ground surface wave
C) Direct wave
D) reflected wave
5. What are the interfaces between MS, BTS, BSC, TC and MSC?
A) A/Abis/Um/Ater
B) Um/Abis/Ater/A
C) A/Ater/Abis/Um
D) Um/Ater/Abis/A
질문과 대답:
| 질문 # 1 정답: A | 질문 # 2 정답: A,B,C,D | 질문 # 3 정답: B | 질문 # 4 정답: A,B,C,D | 질문 # 5 정답: B |
869 개 고객 리뷰
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