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Layer 2 SecurityeasyMultiple SelectObjective-mapped

JNCIS-ENT Layer 2 Security Practice Question

Which TWO commands are valid Junos operational commands used to verify secure access port features? (Choose two)

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

show ethernet-switching dhcp-snooping binding

Valid operational commands include showing DHCP snooping bindings and IP Source Guard status.

Answer analysis

Option-by-option breakdown

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

  • show ethernet-switching dhcp-snooping binding

    Why this is correct

    This command displays active DHCP bindings.

  • show ethernet-switching secure-access-port ip-source-guard interface

    Why this is correct

    This command shows IP Source Guard interface statuses.

  • show bridge-domain secure-access status

    Why it's wrong here

    This command does not exist in Junos.

  • show arp-inspection database

    Why it's wrong here

    There is no arp-inspection database operational command.

  • show security port-security summary

    Why it's wrong here

    Port security commands are under ethernet-switching or switch-options, not security.

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.