JNCIS-ENT Layer 2 Security Practice Question
Which TWO features rely on the DHCP snooping binding database to function properly? (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
✓
IP Source Guard
Dynamic ARP Inspection and IP Source Guard both rely on the DHCP snooping binding database for validation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
IP Source Guard
Why this is correct
IP Source Guard relies on the DHCP snooping table to verify client source IPs.
- ✗
Storm Control rate-limiting
Why it's wrong here
Storm control polices traffic volume based on rates, not database bindings.
- ✓
Dynamic ARP Inspection (DAI)
Why this is correct
DAI uses the DHCP snooping database to validate ARP bindings.
- ✗
Port Security MAC-Limit
Why it's wrong here
MAC-limit counts raw source MAC addresses and does not use the DHCP snooping table.
- ✗
MACsec Key Agreement (MKA)
Why it's wrong here
MKA operates independently for Layer 2 encryption.
Visual reference
About these practice questions
This JNCIS-ENT question is part of Courseiva's 506-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 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.