Cisco Certified Network Associate (CCNA) Practice Exam 2026 – The Comprehensive All-in-One Guide to Exam Success!

The letter H in the output of the #show eigrp neighbors command designates that the neighbor is in the "hello" state. This indicates that the router has established a neighbor relationship with the remote device, and this status is part of the EIGRP (Enhanced Interior Gateway Routing Protocol) neighbor discovery and maintenance process.

In the context of EIGRP, "hello" packets are vital for maintaining neighbor relationships and ensuring that routers can share routing information. Establishing these relationships is a crucial first step in building a reliable and efficient routing table.

The other choices may sound relevant to EIGRP functions, but they do not accurately represent what the letter H signifies in this specific output. The correct understanding of the H status helps in monitoring and troubleshooting EIGRP neighbor relationships effectively.