Courseiva
Networking And Network PolicieshardMultiple ChoiceObjective-mapped

EX280 Networking And Network Policies Practice Question

An OpenShift cluster is configured with a custom Cluster Network CIDR. An administrator needs to verify the cluster network subnet settings and host subnet assignments. Which operator status or configuration resource contains this cluster-wide network configuration?

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

networks.config.openshift.io named 'cluster'

The networks.config.openshift.io cluster singleton resource holds the cluster network, service network, and CNI provider configuration.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • network.operator.openshift.io named 'default'

    Why it's wrong here

    The network operator manages the cluster network operator status, but user specifications are defined in networks.config.openshift.io.

  • networks.config.openshift.io named 'cluster'

    Why this is correct

    This cluster-scoped configuration resource defines the cluster network CIDRs and network type.

  • cluster-network.openshift.io

    Why it's wrong here

    This is not a valid OpenShift config API resource.

  • sdn.openshift.io/config

    Why it's wrong here

    This API does not exist in OpenShift 4.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

About these practice questions

One of 509 original EX280 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 →

How Courseiva writes practice questions · Editorial policy

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 EX280 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 EX280 exam.