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Layer 2 SecurityeasyMultiple ChoiceObjective-mapped

JNCIS-ENT Layer 2 Security Practice Question

Which Junos configuration hierarchy is used to configure secure access port features such as DHCP snooping and Dynamic ARP Inspection?

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

set ethernet-switching-options secure-access-port

Secure access port features are configured under the 'ethernet-switching-options secure-access-port' hierarchy.

Answer analysis

Option-by-option breakdown

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

  • set ethernet-switching-options secure-access-port

    Why this is correct

    This is the correct configuration hierarchy for secure access port features in Junos.

  • set protocols l2-security

    Why it's wrong here

    There is no l2-security protocol stanza.

  • set system security layer2

    Why it's wrong here

    This is an invalid path.

  • set switch-options port-security

    Why it's wrong here

    Port security limits are under switch-options, but secure access features are under ethernet-switching-options.

Visual reference

Client DHCP Server 1 Discover (broadcast) 2 Offer (IP: 192.168.1.10) 3 Request (I accept) 4 Acknowledge (lease confirmed) DORA — the four-step DHCP lease process

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JA

Written and reviewed by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

Last reviewed August 2026 · checked against the official Juniper Networks exam blueprint

This JNCIS-ENT practice question is part of Courseiva's free Juniper Networks 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 JNCIS-ENT exam.