This CKAD practice question tests your understanding of services and networking. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A Service of type LoadBalancer is created but the external IP remains <pending>. What is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The cluster does not have a cloud provider configured
A LoadBalancer Service in Kubernetes relies on an external cloud provider (e.g., AWS, GCP, Azure) to provision a real load balancer and assign its external IP. If no cloud provider is configured (e.g., in a bare-metal or Minikube cluster), the external IP will remain <pending> indefinitely because there is no controller to allocate the IP.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The Service port is already in use
Why it's wrong here
Port conflict would cause error, not pending IP.
✗
The Service selector does not match any Pods
Why it's wrong here
Missing endpoints would cause no backend, but external IP would still be assigned.
✓
The cluster does not have a cloud provider configured
Why this is correct
Without a cloud controller, no LB is provisioned.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The Pods are not listening on the container port
Why it's wrong here
Pod readiness affects traffic, not IP assignment.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a LoadBalancer's external IP assignment with Pod readiness or port availability, but the core requirement is a functioning cloud provider integration to allocate the external IP.
Detailed technical explanation
How to think about this question
The LoadBalancer type is an extension of NodePort and ClusterIP; when a cloud provider is present, its controller (e.g., cloud-controller-manager) watches for Services of type LoadBalancer and calls the provider's API to provision a load balancer. On-premises clusters or those using tools like MetalLB require a separate implementation to assign external IPs; without it, the Service's status remains pending. The `kubectl get svc` command shows `<pending>` because the `status.loadBalancer.ingress` field is empty.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CKAD exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CKAD question in full detail.
Services and Networking — This question tests Services and Networking — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The cluster does not have a cloud provider configured — A LoadBalancer Service in Kubernetes relies on an external cloud provider (e.g., AWS, GCP, Azure) to provision a real load balancer and assign its external IP. If no cloud provider is configured (e.g., in a bare-metal or Minikube cluster), the external IP will remain <pending> indefinitely because there is no controller to allocate the IP.
What should I do if I get this CKAD question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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