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LPI 102-500 Practice Test - Questions Answers, Page 9

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Question 81

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Which command will set the local machine's timezone to UTC?

Question 82

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Which command should be added to /etc/bash_profile to change the language of messages from an internationalised program to Portuguese (pt)? (Select TWO correct answers)

Question 83

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A user was not given permission to use the CRON scheduling system. What file needs to be modified to provide that access? (Please specify the full path to the file)

Question 84

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Which commands can you use to change a user's account aging information? (Choose THREE correct answers.)

Question 85

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Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?

Question 86

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Of the ways listed, which is the best way to temporarily suspend a single user's ability to interactively login?

Question 87

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Which TWO statements about crontab are true?

Question 88

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Which crontab entry could be used to set the system time at regular intervals?

Question 89

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Which of the following commands can be used to convert text files in one character encoding to another character encoding?

Question 90

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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.)

Question 81

Which command will set the local machine's timezone to UTC?

cat UTC > /etc/timezone

ln -s /usr/share/zoneinfo/UTC /etc/localtime

date --timezone=UTC

mv /usr/timezone/UTC /etc

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Question 82

Which command should be added to /etc/bash_profile to change the language of messages from an internationalised program to Portuguese (pt)? (Select TWO correct answers)

export LANGUAGE="pt"

export MESSAGE="pt"

export LANG="pt"

export LC_MESSAGES="pt"

export ALL_MESSAGES="pt"

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Question 83

A user was not given permission to use the CRON scheduling system. What file needs to be modified to provide that access? (Please specify the full path to the file)

/etc/cron.allow

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Question 84

Which commands can you use to change a user's account aging information? (Choose THREE correct answers.)

usermod

passwd

chattr

chage

chsh

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Question 85

Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?

The encrypted passwords are still subject to brute force attacks.

This is just for historical reasons.

There is other information in the file that needs to be kept secret.

The passwords can be decrypted by anyone with root access.

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Question 86

Of the ways listed, which is the best way to temporarily suspend a single user's ability to interactively login?

Add the user name to /etc/nologin.

Change the user's password.

Change the user name in /etc/passwd.

Use change to expire the user account.

Place the command logout in the user's profile.

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Question 87

Which TWO statements about crontab are true?

Every user may have their own crontab.

Changing a crontab requires a reload/restart of the cron daemon.

The cron daemon reloads crontab files automatically when necessary.

hourly is the same as "0 * * * *".

A cron daemon must run for each existing crontab.

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Question 88

Which crontab entry could be used to set the system time at regular intervals?

1 0 * * * date $d $t $24

1 0 * * * ntpdate ntp1.digex.net

1 0 * * * date ntp1.digex.net

1 0 * * * runcron date ntp1.digex.net

1 0 * * * settime $d $t $24

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Question 89

Which of the following commands can be used to convert text files in one character encoding to another character encoding?

cat

convert

iconv

utf2utf

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Question 90

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.)

server

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Total 194 questions