Key Value Store

What is the default value for the Consul KV flags field if not provided during a write?

Which Consul agent configuration parameter defines the KV store file location when running locally?

You need to perform a write operation to the Consul KV store that only succeeds if the current ModifyIndex of the key is zero. Which parameter should you include in your API call?

Which THREE of the following represent potential bottlenecks for Consul KV performance?

You observe that a session lock is being released unexpectedly. What is the most likely cause?

What is the purpose of the 'Behavior' field when creating a Consul session?

Which HTTP method is used to create or update a key in the Consul KV store?

Which THREE of the following fields are returned in a typical Consul KV API GET response?

You are configuring a Consul Watch to trigger a script whenever a specific KV key changes. Which type of watch should you define in your configuration file?

Which command-line interface command is used to set a value in the Consul KV store?

Which THREE of the following are true about Consul KV keys?

You want to delete a key and all its children in the KV store using the CLI. Which flag should you use?

Which Consul API endpoint is used to create a new session that can be used for locking KV keys?

When using the Consul KV store, what is the maximum size allowed for a single value in a key?

When providing a session TTL, what is the minimum duration allowed?

What happens if you try to write to a key that is currently locked by a session you do not own?

You need to ensure that a read operation from the KV store is strongly consistent. Which consistency mode should you specify?

Which flag can be used to pass arbitrary metadata to a KV entry?

Which THREE of the following are standard Consul KV CLI subcommands?

Which TWO of the following are valid ways to trigger a KV watch?

Which TWO of the following are true regarding Consul KV watches?

You are using a Consul Watch to monitor KV changes. What does the 'handler' field specify?

When a session is associated with a lock, what happens to the lock if the session is deleted?

Which TWO of the following are true about the 'cas' parameter in KV writes?

What happens to a session if the associated node is marked as 'failed' by the Consul health check?

You want to perform a blocking query on a KV key to watch for updates. Which parameter must you provide in your request based on the last observed index?

When using Consul KV for distributed locking, why is it recommended to use a session?

An application is using Consul KV to store configuration. You notice that the KV store is becoming large. What is the most efficient way to retrieve only the keys under the prefix "service/web/"?

If a KV operation returns a 403 Forbidden status, what is the most common cause?

You have implemented a leader election mechanism using Consul KV sessions. The session has a TTL of 15 seconds. If the application crashes, how long will it take for the lock to be automatically released?

If a Consul agent is configured with 'disable_remote_exec = true', how does this affect the KV store?

Which THREE of the following are valid session behaviors when a session is invalidated?

Which TWO of the following are true regarding the behavior of the Consul KV store?

You need to retrieve the session information for a specific session ID. Which endpoint should you query?

You want to perform a list operation on a KV prefix to see all keys, but you don't want the values returned. Which API parameter helps reduce payload size?

Which Consul feature allows you to observe the KV store for changes and run a command in response?

Which THREE of the following are required to successfully acquire a lock on a KV key?

Which TWO of the following are common use cases for the Consul KV store?