Linux Foundation Certified System Administrator (LFCS) Practice Test

Questions # 11:

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?

Options:

CASE

FROM

WHERE

Questions # 12:

Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)

Options:

Synchronize the hardware and system clocks.

Output date and time in different formats.

Set the system clock.

Set the hardware clock.

Update the time via NTP.

Questions # 13:

To prevent a specific user from scheduling tasks with at, what should the administrator do?

Options:

Add the specific user to /etc/at.allow file.

Add the specific user to [deny] section in the /etc/atd.conf file.

Add the specific user to /etc/at.deny file.

Add the specific user to nojobs group.

Run the following: atd --deny [user].

Questions # 14:

Which command is used to create and initialize the files used to store quota information? (Specify ONLY the commandwithout any path or parameters.)

Options:

Questions # 15:

Which of the following details is NOT provided in any output from the netstat utility?

Options:

broadcast services

interface statistics

masquerading connections

network connections

routing tables

Questions # 16:

Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)

Options:

Questions # 17:

In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

Options:

Without additional configuration, no users may have user specific crontabs.

Without additional configuration, all users may have user specific crontabs.

The cron daemon will refuse to start and report missing files in the system's logfile.

When a user creates a user specific crontab the system administrator must approve it explicitly.

Questions # 18:

What entry can be added to the syslog.conf file to have all syslog messages generated by a system displayed on console 12?

Options:

*.* /dev/tty12

/var/log/messages | /dev/tty12

| /dev/tty12

syslog tty12

mail.* /dev/tty12

Questions # 19:

Where are user specific crontabs stored?

Options:

In the database file /etc/crontab.db which is shared by all users.

As individual per-user files within /var/spool/cron.

As individual per-user files in /etc/cron.user.d.

In the .crontab file in the user's home directory.

In the file /var/cron/user-crontab which is shared by all users.

Questions # 20:

The script, script.sh, consists of the following lines:

#!/bin/bash

echo $2 $1

Which output will appear if the command, ./script.sh test1 test2, is entered?

Options:

test1 test2

test2 test1

script.sh test2

script.sh test1

test1 script.sh

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