CompTIA A+ 220-1101 Practice Question
An enterprise customer is weighing options for a backup Internet connection to support their online retail system, which must maintain high uptime. Their current primary connection is a fiber link with a Service-Level Agreement (SLA) for 99.9% uptime. Which alternative Internet connection type would generally serve as the best secondary option for uptime reliability without consideration for costs?
Digital Subscriber Line (DSL)
Cable
Satellite
Leased line