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
~~
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
~~
One way of making the client vs server distinction is by the behavior 
of programs during the initial establishment of communication between them.
In this terminology
   Clients listen passively and are contacted by servers
   Servers listen passively and contacted by clients
   Either clients or servers can actively establish communication