Which of the following is the BEST reason for not storing database files in the /var directory?

• A.Files in /var do not have strict file permissions.
• B.If log files fill up /var, it might corrupt the database.
• C.The /var filesystem is not fast enough for database files.
• D.The number of files in /var is limited by the available inodes.

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Find the file named core and remove it from the system.
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Solution as

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The following tools help maintain consistency across different systems in an infrastructure:
SUSE Manager
Red Hat Satellite
Spacewalk
If a system file is changed, the tools roll back the file to a predefined configuration.
Which of the following concepts BEST describes this behavior?

• A.Agentless system management
• B.Infrastructure as code
• C.Automated configuration management
• D.Build automation

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A Linux system is running normally when the systems administrator receives an alert that one application spawned many processes. The application is consuming a lot of memory, and it will soon cause the machine to become unresponsive. Which of the following commands will stop each application process?

• A.kill 'pidof application'
• B.killall application
• C.kill -9 'ps -aux | grep application'
• D.pkill -9 application

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A junior systems administrator has generated a PKI certificate for SSH sessions. The administrator would like to configure authentication without passwords to remote systems. Which of the following should the administrator perform?

• A.Add the content of id_rsa.pub file to the remote system ~/.ssh/known_hosts location.
• B.Add the content of id_rsa file to the remote system ~/.ssh/authorized_keys location.
• C.Add the content of id_rsa file to the remote system ~/.ssh/known_hosts location.
• D.Add the content of id_rsa.pub file to the remote system ~/.ssh/authorized_keys location.

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