Refer to the exhibit. On R1 which routing protocol is in use on the route to 192.168.10.1?

The correct answer is D. EIGRP. The exhibit shows the output of show ip route on R1. The route to 192.168.10.1 is marked with "D", which is the administrative distance code for EIGRP.

Submitted by tunde_lagos· Mar 5, 2026IP Connectivity

Question

Exhibits

Options

ARIP
BOSPF
CIGRP
DEIGRP

How the community answered

(63 responses)

A
2% (1)
B
3% (2)
C
8% (5)
D
87% (55)

Why each option

The exhibit shows the output of `show ip route` on R1. The route to 192.168.10.1 is marked with "D", which is the administrative distance code for EIGRP.

ARIP

Routes learned via RIP are indicated by "R" in the routing table, not "D".

BOSPF

Routes learned via OSPF are indicated by "O" in the routing table, not "D".

CIGRP

Routes learned via IGRP (an older, deprecated protocol) are indicated by "I" in the routing table, not "D".

DEIGRPCorrect

In Cisco IOS routing tables, routes learned via EIGRP are typically indicated by the letter "D" as the protocol code, signifying an EIGRP internal route. The output clearly shows 'D 192.168.10.0/24'.

Concept tested: Interpreting routing table protocol codes

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_basic/configuration/15-mt/ibr-15-mt-book/ibr-ip-route-cfg.html

Topics

#EIGRP#IP routing table

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