JNCIP-ENT IP Telephony Features Practice Question
You are deploying a new IP telephony network on an EX4300 switch. The voice VLAN must be automatically communicated to connected IP phones using LLDP-MED. Which configuration parameter under system services lldp med fast-start-repeat-count must you configure to ensure rapid initial device discovery?
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 protocols lldp-med fast-start-repeat-count 4
In Junos, LLDP-MED fast-start features help newly connected devices discover network policies faster. Configuring lldp med fast-start-repeat-count defines how many times fast-start packets are sent upon connection.
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 system services lldp fast-start-count 4
Why it's wrong here
Incorrect hierarchy; LLDP-MED settings are configured under protocols lldp-med.
- ✗
set interfaces all lldp-med fast-start 4
Why it's wrong here
LLDP-MED fast-start parameters are global protocol configurations, not interface-specific.
- ✗
set protocols lldp fast-start-repeat 4
Why it's wrong here
This is not a valid Junos LLDP command structure.
- ✓
set protocols lldp-med fast-start-repeat-count 4
Why this is correct
This command correctly sets the number of rapid LLDP-MED transmissions for fast device startup.
Visual reference
About these practice questions
This JNCIP-ENT question is part of Courseiva's 332-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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 JNCIP-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 JNCIP-ENT exam.