305-300 Container Virtualization Practice Question
Which command-line option is used to run a Docker container in the background (detached mode)?
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
✓
-d
The -d flag specifies that the container should run in the background.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
-i
Why it's wrong here
The -i flag keeps stdin open for interactive sessions.
- ✗
--bg
Why it's wrong here
This is not a valid flag.
- ✓
-d
Why this is correct
The -d flag enables detached mode.
- ✗
-b
Why it's wrong here
This is not a valid flag for detaching.
- ✗
-t
Why it's wrong here
The -t flag allocates a pseudo-TTY.
About these practice questions
One of 194 original 305-300 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 LPI exam blueprint
This 305-300 practice question is part of Courseiva's free LPI 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 305-300 exam.