ISC Security Operations Practice Question
Which TWO communication channels are typically used for emergency incident coordination within a SOC?
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
✓
Dedicated bridge line (conference call)
Secure out-of-band communication is vital when primary internal email systems may be compromised.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Dedicated bridge line (conference call)
Why this is correct
Bridge lines allow for real-time collaboration between teams.
- ✓
Encrypted out-of-band messaging (e.g., Signal)
Why this is correct
Out-of-band tools ensure secure communication during an incident.
- ✗
Public social media feeds
Why it's wrong here
Never use public channels for sensitive incident data.
- ✗
Internal corporate email
Why it's wrong here
If the network is breached, email may be monitored or blocked.
- ✗
Company-wide intranet homepage
Why it's wrong here
This would alert the attacker to the response.
About these practice questions
One of 219 original ISC practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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 (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.