SATELLITE COMMUNICATION MCQ

SATELLITE COMMUNICATION MCQ

1). Satellite communication has _________ a number of components.

1234Answer : 2

2). Which of the following statement is true according to a ground segment of satellite communication?
It has a stationary or mobile transmission, receptionIt has stationary or a mobile ancillary equipmentIt has stationary or dependent satellitesBoth a and bAnswer :Both a and b

3). Which of the following statement is true according to the space segment of satellite communication?
It has a stationary or mobile transmission, receptionIt has stationary or a mobile ancillary equipmentIt is a satelliteBoth a and bAnswer :It is a satellite

4). A typical satellite link involves in _______ of a signal from an earth station to a satellite.
UplinksDownlinksBoth a and bNone of the aboveAnswer :Uplinks

5). After the up-linking process, a satellite _____ and _____ the signal.
Receives, amplifiesAmplifies, receivesReceives, adds noiseAdds noise and transmitsAnswer :Receives, amplifies

6). Does the satellite retransmits the signal to the earth station after amplifying?
YesNoDepends on the climateAnswer :Yes

7). Which of the following are the satellite receivers on the earth station?
DTH satellite equipmentMobile reception equipment in aircraftSatellite telephonesAll the aboveAnswer :All the above

8). DTH in DTH satellite equipment stands for ________.
Direct to homeDirection to homeDetection of homeAll the aboveAnswer :Direct to home

9). Which of the following is the first artificial satellite?
SputnikGSAT-17GSAT19IRNSS-1HAnswer :Sputnik

10. Which of the following is the vehicle used to launch IRNSS-1H?
PSLV C39/IRNSS1H MissionPSLV-C38/ Cartosat-2 series satelliteAriane-5 VA 238GSLV Mk III-D1/GSAT-19 MissionAnswer :PSLV C39/IRNSS1H Mission

11). Which of the following is the vehicle used to launch -GSAT-17?
PSLV C39/IRNSS1H MissionPSLV-C38/ Cartosat-2 series satelliteAriane-5 VA 238GSLV Mk III-D1/GSAT-19 MissionAnswer :Ariane-5 VA 238

12). Which of the following is the vehicle used to launch the Cartosat-2 series satellite?
PSLV C39/IRNSS1H MissionPSLV-C38/ Cartosat-2 series satelliteAriane-5 VA 238GSLV Mk III-D1/GSAT-19 MissionAnswer :PSLV-C38/ Cartosat-2 series satellite

13). Which of the following is the vehicle used to launch the GSAT-19 satellite?
PSLV C39/IRNSS1H MissionPSLV-C38/ Cartosat-2 series satelliteAriane-5 VA 238GSLV Mk III-D1/GSAT-19 MissionAnswer :GSLV Mk III-D1/GSAT-19 Mission

14). In which year Sputnik1 artificial satellite was launched.
1957195819601954Answer :1957

15). NASA stands for ______.
National Auto Space AdministrationNational Aeronautics and Space AdministrationNet Aeronautics and Space AdministrationNational Aeronautics and satellite AdministrationAnswer :National Aeronautics and Space Administration

16). Which of the following is the first 2 way communication active satellite?
TelstarFalconSAT-2FalconSAT-1AISAT-1Answer :Telstar

17). Which of the following are the examples of digital satellites?
FalconSAT-2FalconSAT-1AISAT-1All the aboveAnswer :All the above

18). Which of the following is the basic classification of satellites are present?
Man made satellitesNatural satelliteBoth a and bAny of the aboveAnswer :Both a and b

19). Which of the following are the examples of natural satellites?
SunMoonPlanetsAll the aboveAnswer :All the above

20). Which of the following are man made satellites?
FalconSAT-1AISAT-1SunBoth a and bAnswer :Both a and b

21). Satellites are classified into ______ types.
910812Answer :9

22). GPS stands for _______.
Global Positioning SystemGuide Position SystemGuide Posting SystemGlobal pointing SystemAnswer :Global Positioning System

23). GEOs stands for _______.
Geostationary SatelliteGeo standing SatelliteGlobal stationary SatelliteNone of the aboveAnswer :Geostationary Satellite

24). How many techniques are used for achieving multiple access?
2345Answer :3

25). Which of the following statement is true regarding frequency division multiplexing?
It assigns a single user with a single channelIt minimizes crosstalk by using guard bandsNo user can share other users frequency band at a timeAll the aboveAnswer :All the above

26). FDD technique in multiplexing stands for _______.
Frequency division duplexFrequency double divisionFrequency duplex divisionFrequency division doubleAnswer :Frequency division duplex

27). Which of the following statement is true regarding the FDD satellite technique?
It uses only upward channelIt uses only downward channelIt uses both upward channel and downward channelNone of the aboveAnswer :It uses both upward channel and downward channel

28). FDMA is used in ______ systems.
Analog systemsDigital systemsBoth a and bNone of the aboveAnswer :Analog systems

29). Which of the following are the examples of FDMA?
AMPSNMTRadiocomAll the aboveAnswer :All the above

30). Is FDMA a continuous transmission scheme.
YesNoDepends on the type of communicationAnswer :Yes

31). Which of the following are the examples of analog systems that FDMA is implemented?
AMPSNMTRadiocom 2000All the aboveAnswer :All the above

32). Which of the following are the advantages of FDMA?
It is easy to implementIt is a continuous transmission schemeLess complex schemeAll the aboveAnswer :All the above

33). Which of the following are the disadvantages of FDMA?
FDMA higher cell siteIt uses duplexersIt requires tight RF filteringAll the aboveAnswer :All the above

34). TWT stands for _______.
Travelling wave tubeTransport wave tubeTravel waveguide tubeNone of the aboveAnswer :Travelling wave tube

35). Which of the following statement is true for satellite communication?
It is a method to transport information from one place to another place via satelliteIt is a method to transmit wavesIt is a method to measure information between satellitesNone of the aboveAnswer :It is a method to transport information from one place to another place via satellite

36). A communication satellite is a _______ satellite.
Artificial satelliteNatural satelliteMan made satelliteEither a or cAnswer :Either a or c

37). A communication satellite uses ______ to transmit signal.
AntennaTransponderOscillatorNone of the aboveAnswer :Transponder

38). Which of the following are the components in satellite communication?
MixerTransponderFilterAll the aboveAnswer :All the above

39). What is the maximum distance covered by satellite communication?
1300 km1500 km1800 km1100 kmAnswer :1500 km

40). Which of the following are the main components in satellite communication?
UplinkDownlinkTransponderAll the aboveAnswer :All the above

41). Which of the following is the function of a transponder?
It boots incoming signalIt reduces the frequency of a signalIt adds noiseAll the aboveAnswer :It boots incoming signal

42). INSAT stands for ________.
Indian National SatelliteInternational SatelliteEither a or bNone of the aboveAnswer :Indian National Satellite

43). How many transponders are present in an INSAT?
100200250More than 200Answer :More than 200

44). Satellite communication services are classified into how many types?
OneTwoThreeFourAnswer :Two

45). Which of the following is a true statement according to one way satellite communication?
It takes place between one or multiple earth stations via satelliteInformation is exchanged between two earth stationsBoth a and bNone of the aboveAnswer :It takes place between one or multiple earth stations via satellite

46). Which of the following is a true statement according to two way satellite communication?
It takes place between one or multiple earth stations via satelliteInformation is exchanged between two earth stationsBoth a and bNone of the aboveAnswer :Information is exchanged between two earth stations

47). Which of the following are the examples of one way satellite communication?
RadioTracks space operation serviceInternet servicesAll the aboveAnswer :All the above

48). Which of the following are the advantages of satellite communication?
Covers maximum bandwidthIt provides elasticity propertyReliabilityAll the aboveAnswer :All the above

49). Which of the following are the disadvantages of satellite communication?
It is a cost effective procedureIt may block frequenciesThere is a chance for signal interference.All the aboveAnswer :All the above

50). Which of the following are the applications of satellite communications?
TVRadioMilitaryAll the aboveAnswer :All the above