EX188 Networking And Compose Practice Question
When publishing container ports using the Podman CLI, which THREE methods or syntaxes are valid for the -p / --publish flag? (Choose three)
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
✓
-p 8080:80
Valid port publishing syntaxes include mapping host port to container port, specifying protocol (UDP/TCP), and binding to a specific host IP.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
-p 8080:80
Why this is correct
Correct. Standard host_port:container_port mapping.
- ✓
-p 127.0.0.1:8080:80
Why this is correct
Correct. Binding to a specific host IP address.
- ✗
-p container=80,host=8080
Why it's wrong here
Incorrect. Podman does not use key-value arguments for port mapping like this.
- ✗
-p 80:8080:tcp:bind
Why it's wrong here
Incorrect. This syntax is invalid.
- ✓
-p 8080:80/udp
Why this is correct
Correct. Specifying a protocol such as UDP.
About these practice questions
One of 296 original EX188 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 Red Hat exam blueprint
This EX188 practice question is part of Courseiva's free Red Hat 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 EX188 exam.