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Linux Foundation
Linux Foundation Certified SYSADMIN
LFCS
Linux Foundation Certified System Administrator Questions and Answers

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Viewing page 3 out of 8 pages

Viewing questions 21-30 out of questions

Questions # 21:

During a system boot cycle, what program is executed after the BIOS completes its tasks?

Options:

The bootloader

The inetd program

The init program

The kernel

Answer

Questions # 22:

When using rpm --verify to check files created during the installation of RPM packages, which ofthe following information is taken into consideration? (Choose THREE correct answers.)

Options:

Timestamps

MD5 checksums

Inodes

File sizes

GnuPG signatures

Answer

A, B, D

Questions # 23:

Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

Options:

export LANGUAGE="pt"

export MESSAGE="pt"

export UI_MESSAGES="pt"

export LC_MESSAGES="pt"

export ALL_MESSAGES="pt"

Answer

Questions # 24:

Which approach will provide a listing of the contents in a tar archive?

Options:

Use the tar command with -t.

Use the grep command.

Use the find command.

Use the zless command.

Use the zlist command.

Answer

Questions # 25:

Which of the following find commands will print out a list of files owned by root and with the SUID bit set in /usr?

Options:

find /usr -uid 0 -perm +4000

find -user root +mode +s /usr

find -type suid -username root -d /usr

find /usr -ls \*s\* -u root

find /usr -suid -perm +4000

Answer

Questions # 26:

Which shell command is used to continue background execution of a suspended command?

Options:

cont

exec

Answer

Questions # 27:

Each entry in a crontab must end with what character?

Options:

Tab

Space

Backslash

Newline

Answer

Questions # 28:

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

Options:

SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;

SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;

COUNT(SELECT order_type FROM orders);

SELECT COUNT(*) FROM orders ORDER BY order_type;

SELECT AUTO_COUNT FROM orders COUNT order_type;

Answer

Questions # 29:

Which of the following commands will output all of the lines with the name Fred in upper or lower case but not the word red from the file data_file?(Choose two)

Options:

grep -v fred data_file

grep '[f]red' data_file

egrep fred data_file

grep '[Ff]red' data_file

grep -i fred data_file

Answer

D, E

Questions # 30:

After moving data to a new filesystem, how can the former path of the data be kept intact in order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)