A network engineer is configuring a leased line to connect two corporate offices. The configuration includes setting up routers at both ends with the appropriate interface type. Which interface type is generally used in a point-to-point connection between two routers?
ISDN
Fiber Optic
Serial
Ethernet
Serial interfaces are commonly used for point-to-point connections between routers, especially in cases involving leased lines. Serial interfaces allow for direct, dedicated, and reliable communication between two devices. Ethernet, while versatile and popular for local area networks, is typically used for network with multiple devices and not exclusively for point-to-point configurations between two routers. Similarly, ISDN is an older technology more associated with integrated voice and data services rather than dedicated router-to-router links.
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