
446 Networking Explained, Second Edition
Depending on the configuration, the server either selects from a pool of available
addresses and dynamically assigns the remote machine a network address, or the server
issues a preassigned address. Regardless of the type of assignment, the network address
remains in effect for the duration of the session.
4. Regardless of the type of dialup connection, though, is a modem is required? Also,
could you review the concept of a modem?
That’s correct. Since a dialup network connection involves “dialing” into the network
through the public telephone system, dialup connections require modems—one at each
end of a transmission ...