5 difference between dial up connection and leased line connection?

1.	5 difference between dial up connection and leased line connection?
Answer» Leased Line1:Always connected, unless a system administrator or power failure takes the leased-line down.2:Uses synchronous and asynchronous communications. For asynchronous communications, a long-haul modem is often used.3:Rented from a provider. 4:Requires synchronous units.5:Requires synchronous ports, which are common on most SPARC systems. However, synchronous ports are not common on x86 systems and newer SPARC systems.font color="red">Dial-up Line1:Initiated on demand, when a user tries to call a remote peer.2:Uses asynchronous communications.3:Uses existing telephone lines.4:Uses less costly modems.5:Uses standard serial interfaces that are included on most computers.

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