XK0-005 · Question #10470
A Linux administrator has installed a web server, a database server, and a web application on a server. The web application should be active in order to render the web pages. After the administrator…
The correct answer is D. REQUIRES=mariadb.service. The administrator should add REQUIRES=mariadb.service to the HTTP server .service file to ensure that the database is available before the web application is started. This directive specifies that the HTTP server unit requires the MariaDB server unit to be started before it can…
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Options
- ATRIGGERS=mariadb.service
- BONFAILURE=mariadb.service
- CWANTEDBY=mariadb.service
- DREQUIRES=mariadb.service
How the community answered
(31 responses)- A6% (2)
- B3% (1)
- C10% (3)
- D81% (25)
Explanation
The administrator should add REQUIRES=mariadb.service to the HTTP server .service file to ensure that the database is available before the web application is started. This directive specifies that the HTTP server unit requires the MariaDB server unit to be started before it can run. If the MariaDB server unit fails to start or stops for any reason, the HTTP server unit will also fail or stop. This way, the dependency between the web application and the database is enforced by
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