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What would be the most effective means to assure continuity of a wide area network (WAN)?
A duplicate machine alongside each server
A repair contract with a service provider
Built-in alternative routing
Completing full system backup daily
Alternative routing would ensure the network would continue if a server is lost or if a link is severed as message rerouting could be automatic. System backup will not afford immediate protection. The repair contract is not as effective as permanent alternative routing. Standby servers will not provide continuity if a link is severed.
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