Service Discovery

You are troubleshooting why a service registered via HTTP API is not showing up in the catalog. Which tool provides the most immediate insight into the registration status?

Which Consul feature allows you to perform health checks against a service that does not have an exposed HTTP endpoint but resides on the same machine?

An administrator wants to register a service using a JSON file. Where should this file be placed on a standard Consul agent installation to ensure automatic loading?

You need to register a service that runs on a dynamic port. How should the service definition be configured to allow Consul to detect the port?

You have a service that requires specific routing logic based on the environment. How can you distinguish between 'production' and 'staging' instances of the same service name using metadata?

An administrator needs to query service information. Which DNS record type is commonly used by Consul to return service addresses?

A service is intermittently failing to resolve via DNS because it has multiple health checks, some of which are 'warning'. How do you ensure it is only returned when all checks are 'passing'?

You need to ensure that a service is only discoverable via DNS if it passes its health checks. Which configuration setting in the service definition achieves this?

What is the purpose of the 'service-tag' in a Consul service definition?

When using Consul DNS for a service, what happens if no instances are healthy?

A service definition includes a 'meta' block. What is the intended use of this block?

Which command is used to check the status of a registered service?

You are configuring a service check that needs to be ignored if the node is in maintenance mode. What is the correct approach?

You need to register a health check that triggers an alert when memory usage is high. Which type of check is most appropriate?

How does Consul handle service discovery in multi-datacenter environments when a service is requested by name?

When multiple agents are in a cluster, how does Consul ensure that service discovery information is consistent across all nodes?

Which of the following best describes the 'consul agent -dev' mode in relation to service discovery?

What is the impact of setting 'enable_tag_override' to true in a service definition?

Which interface would you use to register a service dynamically using standard tools like 'curl'?

What is the effect of changing the 'interval' parameter in a service health check?

You need to ensure a service instance is removed from the catalog immediately after the service process terminates. Which setting helps?

How does Consul handle service discovery when using the 'prepared query' feature?

You are querying the Consul DNS interface for a service. How can you exclude specific tags from the results?

Which file format is primarily used for defining services in Consul?

You need to verify if a node has successfully joined the cluster for service discovery. Which tool confirms this?

When a service check transitions to 'critical', what does Consul do with the service's DNS entry?

What command displays the currently registered services in the local agent?

Which THREE of the following are valid check types in Consul?

Which TWO of the following can be used to filter services during a DNS query?

Which THREE of the following are key components of a service definition?

Which TWO of the following are true regarding the Consul Service Catalog?

Which THREE of the following are valid ways to register a service in Consul?

Which TWO of the following are standard DNS records returned by Consul for service discovery?

Which THREE of the following fields are typically included in a service metadata (meta) block?

Which TWO of the following actions occur when a node fails in a Consul cluster?

Which THREE of the following are valid ways to categorize services in Consul?

Which TWO of the following statements are true about the 'passing' parameter in DNS queries?

Which THREE of the following are benefits of using the Consul DNS interface?

Which TWO of the following describe a Consul 'service definition'?

Which THREE of the following are valid Consul health check statuses?