खालीलपैकी कोणत्या वारंवारतेवर वाय-फाय नेटवर्क कार्य करते?

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. 2.4 MHz
  2. 5 MHz
  3. 10 GHz
  4. 5 GHz

Answer (Detailed Solution Below)

Option 4 : 5 GHz
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  • वाय-फाय ही वायरलेस नेटवर्क सिस्टीम आहे जी घरांमध्ये इंटरनेटद्वारे एकाधिक इलेक्ट्रॉनिक उपकरणे जोडण्यासाठी वापरली जाते.
  • इंटरनेटद्वारे अनेक उपकरणे जोडण्यासाठी राउटर नावाचे साधन आवश्यक आहे.
  • IEEE 802.11 विविध वारंवारतेमध्ये वायरलेस लोकल एरिया नेटवर्क (WLAN), वाय-फाय कॉम्प्युटर कम्युनिकेशन लागू करण्यासाठी मीडिया ऍक्सेस कंट्रोल (MAC) आणि फिजिकल लेयर (PHY) प्रोटोकॉलचा संच निर्दिष्ट करते.
  • डिव्हाइस दरम्यान सिग्नल पाठवण्यासाठी WiFi रेडिओ वारंवारतेचा वापर करते.
  • WiFi 2.4 GHz आणि 5 GHz च्या वारंवारतेवर कार्य करते.
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