Which feature characterizes the 2900 series ISRs?

The feature that characterizes the 2900 series Integrated Services Routers (ISRs) is that they come equipped with integrated Ethernet ports offering multiple connectivity options. This flexibility allows network administrators to connect various devices directly to the router, facilitating seamless communication within a network. The Ethernet ports support different types of connectivity, including LAN, WAN, and even VoIP options, making the 2900 series highly versatile for small to medium-sized business applications.

This design caters to the need for comprehensive networking solutions in environments where various types of connections are essential, streamlining the setup and reducing the requirement for additional hardware. The integrated nature of these ports means less physical space is required for extra networking devices, potentially lowering costs and simplifying network architecture.