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  1. What are the primary differences between TCP and UDP. Would you recommend UDP or TCP for a voice over IP phone call? Justify your choice.

  2. What are the different kinds of VPNs. Describe different scenarios where you would use each of these approaches. How is SSL/TLS VPN different from a traditional VPN?

  3. Why is a mobile phone network called a cellular phone network? Use a diagram to describe. How is 3G cellular different from 4G cellular?

    • 9 years ago
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