
TTDĐ 03
Authored by Lucy Mills
Computers
University
Used 16+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Khoảng cách giữa các sóng mang trong hệ thống GSM1800MHz:
20KHz
200KHz
2MHz
25MHz
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Số roaming của thuê bao di động là:
MSISDN
ISSMI
MSRN
IMEI
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hệ thống GSM 900MHZ có số kênh tần số:
125
124
384
250
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kênh lưu lượng TCH/F có tốc độ:
13 kbps
6 kbps
25 kbps
12 kbps
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong hệ thống GSM, OMC là:
Trạm thu phát gốc
Bộ điều khiển trạm gốc
Bộ nhận dạng thiết bị
Trung tâm vận hành và khai thác hệ thống
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tỷ số nhiễu phản xạ nhiễu tia là:
C/R
C/I
C/A
S/N
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hệ thống di động GSM sử dụng kỹ thuật đa truy nhập:
FDMA
TDMA
CDMA
FDMA và TDMA
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