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Qus : Which wireless standards are used in cellular networks:
Qus सेलुलर नेटवर्क में कौन से वायरलेस मानकों का उपयोग किया जाता है:

A. GSM
B. CDMA
C. LTE
D. All of the above


Solution
D. All of the above



Explanation

Wireless standards used in cellular networks include:

2G (Second Generation):

  • GSM (Global System for Mobile Communications)
  • CDMA (Code Division Multiple Access)

3G (Third Generation):

  • UMTS (Universal Mobile Telecommunications System), which includes WCDMA (Wideband Code Division Multiple Access)
  • CDMA2000

4G (Fourth Generation):

  • LTE (Long-Term Evolution)
  • WiMAX (Worldwide Interoperability for Microwave Access), though it's less commonly used

5G (Fifth Generation):

  • NR (New Radio)


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