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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    Which among the following do/does not belong/belongs to the GSM family of wireless technologies?

    A)  EDGE

    B)  LTE

    C)  DSL

    D)  Both EDGE and LTE

    Correct Answer: C

    Solution :

    [c] More than 3.8 billion people worldwide used the Global System for Mobile Communications (GSM) family of technologies as of May 2009. GSM is the roost widely used wireless technology in the world, GSM has straightforward, cost-effective migration path to 3G through GPRS, EDGE and UMTS-HSPA, as well as beyond 3G via the HSPA Evolution (HSPA+). LTE and .System Architecture Evolution (SAE) initiatives.


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