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Q61. CORRECT TEXT – (Topic 3)
In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)
Q62. – (Topic 1)
What is the purpose of the file /etc/profile?
A. It contains the welcome message that is displayed after login.
B. It contains security profiles defining which users are allowed to log in.
C. It contains environment variables that are set when a user logs in.
D. It contains default application profiles for users that run an application for the first time.
Q63. – (Topic 3)
Where are user specific crontabs stored?
A. In the database file /etc/crontab.db which is shared by all users.
B. As individual per-user files within /var/spool/cron.
C. As individual per-user files in /etc/cron.user.d.
D. In the .crontab file in the user's home directory.
E. In the file /var/cron/user-crontab which is shared by all users.
Q64. – (Topic 3)
What is NOT contained in the locale setting of the operating system?
A. currency symbol
D. thousands separator
Q65. CORRECT TEXT – (Topic 6)
With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not set when X11 forwarding is not enabled? (Specify only the environment variable without any additional commands or values.)
Answer: DISPLAY, $DISPLAY
Q66. – (Topic 5)
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
A. It would be passed to the default router 192.168.178.1 on wlan0.
B. It would be directly transmitted on the device eth0.
C. It would be passed to the default router 255.255.255.0 on eth0.
D. It would be directly transmitted on the device wlan0.
E. It would be passed to the router 192.168.1.1 on eth0.
Q67. CORRECT TEXT – (Topic 4)
Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information? (Specify ONLY the option without any values or parameters.)
Q68. – (Topic 3)
In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
A. Without additional configuration, no users may have user specific crontabs.
B. Without additional configuration, all users may have user specific crontabs.
C. The cron daemon will refuse to start and report missing files in the system's logfile.
D. When a user creates a user specific crontab the system administrator must approve it explicitly.
Q69. – (Topic 1)
Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?
Q70. – (Topic 5)
What is the purpose of the nsswitch.conf file?
A. It is used to configure where the C library looks for system information such as host names and user passwords.
B. It is used to configure network protocol port numbers such as for HTTP or SMTP.
C. It is used to configure LDAP authentication services for the local system.
D. It is used to configure which network services will be turned on during the next system boot.