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300-410 Practice Question: The default SNMP community string on a Cisco IOS…

What is the default SNMP community string on a Cisco IOS device that has not been configured with any SNMP commands?

⚠ Common exam trap

Cisco often tests the misconception that 'public' is a default community string on IOS devices, when in fact SNMP is completely disabled by default and no community string exists until configured.

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

✓

No default community string exists; SNMP is disabled.

By default, Cisco IOS devices have no SNMP community strings configured because SNMP is disabled until explicitly enabled with the 'snmp-server community' command. Without any SNMP configuration, the device does not respond to SNMP requests, making option D correct. This aligns with Cisco's security best practices to avoid exposing management access unintentionally.

Answer analysis

Option-by-option breakdown

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

  • ✗

    public

    Why it's wrong here

    public is a common default on many devices, but Cisco IOS does not set a default community string.

  • ✗

    private

    Why it's wrong here

    private is also not a default; no community is configured by default.

  • ✗

    cisco

    Why it's wrong here

    cisco is not a default SNMP community string on IOS.

  • ✓

    No default community string exists; SNMP is disabled.

    Why this is correct

    Cisco IOS does not preconfigure any community; the device must have an snmp-server community command to enable SNMP.

About these practice questions

Courseiva writes every 300-410 question from scratch — 1,966 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →

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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.