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MCQs

Total Questions : 98 | Page 3 of 10 pages
Question 21. What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band?
  1.    3500 MHz
  2.    4500 MHz
  3.    2225 MHz
  4.    2555 MHz
 Discuss Question
Answer: Option C. -> 2225 MHz
Question 22. How may satellite orbital slots are requested by the Philippine Government from ITU?
  1.    2
  2.    4
  3.    6
  4.    8
 Discuss Question
Answer: Option C. -> 6
Question 23. What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array?
  1.    Radial divider
  2.    Divider/combiner
  3.    Radial combiner
  4.    Radial multiplexer
 Discuss Question
Answer: Option A. -> Radial divider
Question 24. The switching from one element to the other element in a typical mobile satellite array.
  1.    Series
  2.    Radial
  3.    Matrix
  4.    Shunt
 Discuss Question
Answer: Option D. -> Shunt
Question 25. INTELSAT stands for
  1.    Intel Satellite
  2.    International Telephone Satellite
  3.    International Telecommunications Satellite
  4.    International Satellite
 Discuss Question
Answer: Option C. -> International Telecommunications Satellite
Question 26. A satellite cross-link means
  1.    Earth-to-satellite link
  2.    Satellite-to-earth link
  3.    Satellite-to-satellite link
  4.    None of these
 Discuss Question
Answer: Option C. -> Satellite-to-satellite link
Question 27. The frequency of Ku band for satellite communications.
  1.    6/4 GHz
  2.    14/11 GHz
  3.    12/14 GHz
  4.    4/8 GHz
 Discuss Question
Answer: Option B. -> 14/11 GHz
Question 28. A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.
  1.    CDMA
  2.    ANIK-D
  3.    TDMA
  4.    FDMA
 Discuss Question
Answer: Option D. -> FDMA
Question 29. Point on the satellite obits closest to the earth.
  1.    Apogee
  2.    Perigee
  3.    Prograde
  4.    Zenith
 Discuss Question
Answer: Option B. -> Perigee
Question 30. _________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.
  1.    Horn antenna
  2.    LNA
  3.    Satellite receiver
  4.    Satellite dish
 Discuss Question
Answer: Option B. -> LNA

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