EX280 Networking And Network Policies Practice Question
Which TWO components are core parts of the OpenShift DNS architecture for cluster resolution? (Choose TWO)
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
✓
CoreDNS
CoreDNS is deployed by the Cluster DNS Operator to provide internal name resolution for pods and services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
CoreDNS
Why this is correct
CoreDNS pods handle internal cluster DNS queries.
- ✓
Cluster DNS Operator
Why this is correct
The Cluster DNS Operator deploys and manages CoreDNS components in the cluster.
- ✗
BIND9
Why it's wrong here
BIND9 is not the default DNS server used in OpenShift clusters.
- ✗
HAProxy DNS module
Why it's wrong here
HAProxy handles layer 7 routing, not cluster DNS.
- ✗
Keepalived DNS plugin
Why it's wrong here
Keepalived is used for virtual IP management on control plane nodes, not DNS.
Visual reference
About these practice questions
Courseiva writes every EX280 question from scratch — 509 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 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.