Question: Why is label-switchingfaster thanstandard IP table lookup in WAN environments? The simple UDP echo server example illustrates two points generally true of client-server implementation. What

  1. Why is label-switchingfaster thanstandard IP table lookup in WAN environments?
  2. The simple UDP echo server example illustrates two points generally true of client-server implementation. What are they?
  3. Describe spooling as related to mail delivery systems. Why is it used?

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