305-300 Container Virtualization Practice Question
In a Docker swarm, which mode of service publishing allows incoming traffic to be load-balanced across all healthy container replicas?
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
✓
ingress
The 'ingress' network mode in Swarm allows external traffic to hit any node and be routed to a container via the routing mesh.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
macvlan
Why it's wrong here
This provides direct L2 access to containers.
- ✓
ingress
Why this is correct
This enables the routing mesh for load balancing.
- ✗
overlay
Why it's wrong here
This is the underlying network type, not the publish mode.
- ✗
host
Why it's wrong here
This binds the port directly to the node's IP.
About these practice questions
Courseiva writes every 305-300 question from scratch — 194 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 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.