CLCOR Infrastructure And Design Practice Question
Which THREE of the following are required DNS records for a successful Cisco MRA (Mobile and Remote Access) deployment?
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
✓
_cisco-uds._tcp
MRA relies on SRV records for discovering the Expressway-E, the Collab-Edge TLS record for discovery, and the UDS service record for user settings.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
_https._udp
Why it's wrong here
HTTPS does not use UDP.
- ✓
_cisco-uds._tcp
Why this is correct
Used for clients to find the UDS service on CUCM.
- ✗
_ftp._tcp
Why it's wrong here
FTP is not used for MRA.
- ✓
_collab-edge._tls
Why this is correct
Used for external clients to find the Expressway-E.
- ✓
_sip._tls
Why this is correct
Used for SIP discovery and registration signaling.
Visual reference
About these practice questions
Courseiva writes every CLCOR question from scratch — 263 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 →
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 Cisco exam blueprint
This CLCOR 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 CLCOR exam.