305-300 Container Virtualization Practice Question
When configuring a systemd-nspawn container, what is the effect of the --private-network option?
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
✓
It isolates the container's network from the host
The --private-network flag creates a virtual network namespace for the container, ensuring it cannot access the host's network interfaces.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It isolates the container's network from the host
Why this is correct
This creates a private network namespace for the container.
- ✗
It forces the container to use a bridge
Why it's wrong here
It actually prevents network access until configured otherwise.
- ✗
It disables network encryption
Why it's wrong here
Encryption is not relevant to this flag.
- ✗
It restricts access to localhost
Why it's wrong here
It provides a loopback interface, but isolates from external networks.
- ✗
It prevents the container from starting
Why it's wrong here
The container will start fine without network access.
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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.