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300-410 Practice Question: Runs the following command to troubleshoot a VRF…

A network engineer runs the following command to troubleshoot a VRF route issue:

R1# show ip route vrf CUSTOMER summary
IP routing table name is CUSTOMER (0x1)
IP routing table maximum-paths is 32

Route Source Networks Subnets Overhead Memory (bytes) connected 2 0 0 320 static 1 0 0 160 eigrp 100 3 0 0 480 Internal 3 Total 6 0 0 960

What does this output indicate?

⚠ Common exam trap

Cisco often tests the ability to interpret the 'summary' keyword output, where candidates may mistakenly think the table is empty or only contains connected routes if they overlook the route source breakdown.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

The VRF CUSTOMER routing table has 6 routes, including static and EIGRP routes.

The output shows the VRF CUSTOMER routing table summary, listing 2 connected routes, 1 static route, and 3 EIGRP routes, totaling 6 routes. This confirms that the VRF contains routes from multiple sources, including static and EIGRP, making option A correct.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • The VRF CUSTOMER routing table has 6 routes, including static and EIGRP routes.

    Why this is correct

    The summary shows connected, static, and EIGRP routes totaling 6.

  • The VRF CUSTOMER routing table is empty.

    Why it's wrong here

    There are 6 routes.

  • The VRF CUSTOMER has only connected routes.

    Why it's wrong here

    Static and EIGRP routes are also present.

  • The VRF CUSTOMER routing table has an error due to overlapping subnets.

    Why it's wrong here

    No error is indicated in the summary.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

Quick reference

Routing Protocol Comparison

ProtocolMetricMax HopsAlgorithmType
RIP v2Hop count15Bellman-FordDistance vector
OSPFCost (bandwidth)UnlimitedDijkstra (SPF)Link state
EIGRPComposite metricUnlimitedDUALHybrid
IS-ISCostUnlimitedDijkstraLink state
BGPPolicy / attributesUnlimitedPath vectorPath vector

RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.