KCNA · Question #170
What is a Kubernetes service with no cluster IP address called?
The correct answer is A. Headless Service. A Kubernetes Service without a cluster IP address is known as a Headless Service, used for direct pod access or custom load balancing.
Question
What is a Kubernetes service with no cluster IP address called?
Options
- AHeadless Service
- BNodeless Service
- CIPLess Service
- DSpecless Service
How the community answered
(28 responses)- A89% (25)
- C7% (2)
- D4% (1)
Why each option
A Kubernetes Service without a cluster IP address is known as a Headless Service, used for direct pod access or custom load balancing.
A Headless Service is a Kubernetes Service that does not get a cluster IP address assigned to it. Instead of load-balancing traffic to pods, it allows clients to directly discover and communicate with the individual pods backing the service by returning a list of their IP addresses via DNS lookup. This is useful for stateful workloads or when you want to use your own load-balancing mechanism.
"Nodeless Service" is not a standard Kubernetes term for a Service without a Cluster IP.
"IPLess Service" is not the official Kubernetes terminology for this concept.
"Specless Service" is not a recognized Kubernetes term.
Concept tested: Kubernetes Headless Service
Source: https://kubernetes.io/docs/concepts/services-networking/service/#headless-services
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