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  • Question
  • What are the advantages and disadvantages of 3G?


  • Correct Answer
  • Advantages of 3G: - Overcrowding is relieved in existing systems with radio spectrum - Bandwidth, security and reliability are more - Provides interoperability among service providers - Availability of fixed and variable rates - Support to devices with backward compatibility with existing networks - Always online devices ? 3G uses IP connectivity which is packet based - Rich multi media services are available Disadvantages of 3G: - The cost of cellular infrastructure , upgrading base stations is very high - Needs different handsets - Roaming and data/voice work together has not yet been implemented - Power consumption is high - Requires closer base stations and are expensive - Spectrum-license costs, network deployment costs and handset subsidies subscribers are tremendous 


  • Technology problems


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    • 1. Explain how synchronization takes place with Blackberry Technology .
    • Discuss
    • 2. Explain about Blackberry Operating System.
    • Discuss
    • 3. What are the benefits for organizations and IT departments by using Blackberry?
    • Discuss
    • 4. What is Blackberry technology?
    • Discuss
    • 5. What are sensors in iphone?
    • Discuss
    • 6. How can you configure Wi-Fi network and what are Wi-Fi Protocols?
    • Discuss
    • 7. What is Wi-Fi technology and over which frequency band it operates?
    • Discuss
    • 8. Explain the difference between value types and reference types
    • Discuss
    • 9. Explain how garbage collection deals with circular referrences?
    • Discuss
    • 10. What are type safe function pointers?

    • Options
    • A. Delegates
    • B. Break points
    • C. Both A and B
    • D. None
    • Discuss


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