A major advantage of HTTP/1.1 over HTTP/1.0 is~
  Persistent connections that allow multiple requests to the same server using a single connection~
  Faster retrieval of complex pages using multiple connections~
  Encrypted connections
~~
A mail user agent is a mail server~
  True~
  False
~~
The purpose of using mail servers in the Internet mail architecture is~
  Allow mail to be sent to a recipient who is currently off line~
  Ensure that the FBI can read any mail that you send~
  Implement a store-and-forward architecture~
  Allow mail to be stored for a long period of time
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The IP network-layer protocol provides a:~
  Reliable datagram service~
  Best-effort datagram service~
  Reliable stream service~
  Best-effort stream service
~~
The IP network-layer protocol delivers packets to:~
  Hosts~
  Applications~
  Routers
~~
The IP transport-layer protocols (UDP, TCP) deliver packets to:~
  Hosts~
  Applications~
  Routers
~~
The TCP protocol is a:~
  Reliable datagram service~
  Best-effort datagram service~
  Reliable stream service~
  Best-effort stream service