ACTUAL Questions and CORRECT
Answers
Application Server:
Server Processes Name: ?
Purpose: ?
Notes: ?
Licensed: ? - CORRECT ANSWER - Server Processes Name: vizportal
Purpose: Handles the web application, RESP API calls, and supports browsing and searching.
Notes: When Application Server is installed, Data Engine is also installed, unless the node
already has an instance of Data Engine.
Licensed: Yes
Ask Data
Server Processes Name: ?
Purpose: ?
Notes: ?
Licensed: ? - CORRECT ANSWER - Server Processes Name: Cannot be configured
manually (there should probably still be a server processes?)
Purpose: Used by the Ask Data feature.
Notes: Runs automatically on all nodes where Data Server is running.
,Licensed: No
Backgrounder
Server Processes Name: ?
Purpose: ?
Notes: ?
Licensed: ? - CORRECT ANSWER - Server Processes Name: backgrounder
Purpose: Runs server tasks, including extract refreshes, subscriptions, 'Run Now' tasks, and tasks
initiated from tabcmd
Notes: When Backgrounder is installed, Data Engine is also installed, unless the node already
has an instance of Data Engine. In most situations you can change the number of backgrounder
instances on an existing node of a running server without causing a stop and restart of the server.
An exception is if you are adding backgrounder to an existing node that did not that did not
previously have backgrounder or any other process that also installs Data Engine.
Licensed: Yes
Cache Server
Server Processes Name: ?
Purpose: ?
Notes: ?
Licensed: ? - CORRECT ANSWER - Server Processes Name: cacheserver
Purpose: Cache server is a query cache distributed and shared across the server cluster. This in-
memory cache server speeds user experience across many scenarios. VizQL server,
backgrounder, and data server (and application server to a lesser extent) make cache requests to
the cache server on behalf of users or jobs. The cache is single-threaded, so if you need better
performance you should run additional instances of cache server.
, Notes: N/A
Licensed: No
Cluster Controller
Server Processes Name: ?
Purpose: ?
Notes: ?
Licensed: ? - CORRECT ANSWER - Server Processes Name: clustercontroller
Purpose: The Cluster Controller is responsible for monitoring various components, detecting
failures, and running fail-over when needed.
Notes: Required on each node. Not automatically installed.
Licensed: No
Data Engine
Server Processes Name: ?
Purpose: ?
Notes: ?
Licensed: ? - CORRECT ANSWER - Server Processes Name: Cannot be configured
manually.
Purpose: The Data Engine creates data extracts and processes queries.
Notes: Automatically installed when you install File Store, VizQL Server, Application Server
(VizPortal), Data Server, or Backgrounder.