CLCOR Protocols And Endpoints Practice Question
When configuring an IP phone for automatic provisioning, which DHCP option is most commonly used to provide the TFTP server address to the phone?
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
✓
Option 150
DHCP Option 150 is the standard method for Cisco IP Phones to discover the TFTP server address.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Option 150
Why this is correct
Option 150 is the industry standard for Cisco voice devices.
- ✗
Option 43
Why it's wrong here
Option 43 is vendor-specific, but not the primary for TFTP.
- ✗
Option 66
Why it's wrong here
Option 66 is for general vendor-specific boot files.
- ✗
Option 12
Why it's wrong here
Option 12 provides the hostname.
Visual reference
About these practice questions
This CLCOR question is part of Courseiva's 263-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 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.