Which two technologies use the PSTN network to provide an Internet connection? (Choose two.)
Which two technologies use the PSTN network to provide an Internet connection? (Choose two.)
- MPLS
- ATM
- dialup
- Frame Relay
- ISDN
Explanation: Dialup and ISDN use the PSTN network to provide WAN connectivity. ATM, MPLS, and Frame Relay require the service providers to build a specific network cloud to support each technology.
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