Linux Foundation Certified System Administrator (LFCS) Practice Test

Questions # 41:

What is the purpose of the iconv command?

Options:

It converts bitmap images from one format to another such as PNG to JPEG.

It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).

It displays additional meta information from icon files ending in .ico.

It changes the mode of an inode in the ext4 file system.

It converts files from one character encoding to another.

Questions # 42:

Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s46-c-k-no/photo.jpg

Options:

Questions # 43:

What is the default nice level when a process is started using the nice command?

Options:

-10

Questions # 44:

Which of the following commands is used to rotate, compress, and mail system logs?

Options:

rotatelog

striplog

syslogd --rotate

logrotate

logger

Questions # 45:

What is the maximum niceness value that a regular user can assign to a process with the nice command when executinga new process?

Options:

Questions # 46:

Which RPM command will output the name of the package which supplied the file /etc/exports?

Options:

rpm -F /etc/exports

rpm -qf /etc/exports

rpm -Kl /etc/exports

rpm -qp /etc/exports

rpm -qi /etc/exports

Questions # 47:

Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

Options:

chmod +s /tmp

chmod +t /tmp

chmod 1775 /tmp

chmod 4775 /tmp

chmod 2775 /tmp

Questions # 48:

Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

Options:

Questions # 49:

Which of the following is true about IPv6?

Options:

With IPv6, the TCP port numbers of most services have changed.

IPv6 no longer supports broadcast addresses.

IPv4 addresses can be used without any change with IPv6.

IPv6 no longer supports multicast addresses.

For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.

Questions # 50:

Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)

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