The statement that is accurate is that EIGRP may not be available on non-Cisco routers.
In comparison to prior network protocols like Interior Gateway Routing Protocol (IGRP) or Border Gateway Protocol, Enhanced Interior Gateway Routing Protocol (EIGRP) allows routers to communicate information more quickly (BGP).
By only allowing "need-based" updates, EIGRP reduces network traffic. It offers security encryption and works with iBGP for WAN routing. Multiple layer protocols can be routed using EIGRP using protocol-dependent modules. With a multi-address family, it handles the change much more easily.
Stub router capability and DMVPN integration are not a part of Cisco's "open" EIGRP standard, therefore this is still proprietary. Don't hold your breath if you're hoping to find these functions on a non-Cisco device.
To know more about EIGRP refer to: brainly.com/question/9745535
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