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    What does GSM stand for in the field of Mobile Networks?
    
    
        
    89. What does GSM stand for in the field of Mobile Networks?
    
      - Global System for Mobile
 
      - Global System for Mobile Communication
 
      - Global System for Mobile Networks
 
      - None of the above
 
    
    Answer
    The correct answer is: B) Global System for Mobile Communication
    Explanation
    In the field of Mobile Networks, GSM stands for Global System for Mobile Communication. It is an open and digital cellular technology used for mobile communication developed by European Telecommunications Standards Institute (ETSI).