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LFCS Practice Questions

Linux Foundation Certified System Administrator

Last Update 3 days ago
Total Questions : 260

Dive into our fully updated and stable LFCS practice test platform, featuring all the latest Linux Foundation Certified SYSADMIN exam questions added this week. Our preparation tool is more than just a Linux Foundation study aid; it's a strategic advantage.

Our free Linux Foundation Certified SYSADMIN practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about LFCS. Use this test to pinpoint which areas you need to focus your study on.

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Question # 31

Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)

Options:

Discussion 0
Question # 32

Whichof the following commands displays the contents of a gzip compressed tar archive?

Options:

A.  

gzip archive.tgz | tar xvf -

B.  

tar ztf archive.tgz

C.  

gzip -d archive.tgz | tar tvf -

D.  

tar cf archive.tgz

Discussion 0
Question # 33

Which of the following environment variables overrides or extends the list of directories holding shared libraries?

Options:

A.  

LD_LOAD_PATH

B.  

LD_LIB_PATH

C.  

LD_LIBRARY_PATH

D.  

LD_SHARE_PATH

E.  

LD_RUN_PATH

Discussion 0
Question # 34

What word is missing from the following SQL statement?

insert into tablename ________(909, 'text');

(Please specify the missing word using lower-case letters only.)

Options:

Discussion 0
Question # 35

Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and withoutany trailing spaces, is reached?

Options:

A.  

<<

B.  

<|

C.  

!<

D.  

&<

Discussion 0
Question # 36

Which of the following is correct when talking about mountpoints?

Options:

A.  

Every existing directory can be used as a mount point.

B.  

Only empty directories can be used as a mount point.

C.  

Directories need to have the SetUID flag set to be used as a mount point.

D.  

Files within a directory are deleted when the directory is used as a mount point.

Discussion 0
Question # 37

Which file should be edited to select the network locations from which Debian installation package files are loaded?

Options:

A.  

/etc/dpkg/dpkg.cfg

B.  

/etc/apt/apt.conf

C.  

/etc/apt/apt.conf.d

D.  

/etc/apt/sources.list

E.  

/etc/dpkg/dselect.cfg

Discussion 0
Question # 38

Where are user specific crontabs stored?

Options:

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.

Discussion 0
Question # 39

In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)

Options:

A.  

cat /proc/self/mounts

B.  

free

C.  

mount

D.  

lsmounts

E.  

cat /proc/filesystems

Discussion 0
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