FILL BLANK What keyword is used in a shell script to begin a loop? (Specify one keyword only, without any additional information.)
FILL BLANK What command displays manual pages? (Specify ONLY the command without any path or parameters.)
Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165 stored on a DNS server?
A. In the A record for 165.100.51.198.ipv4.arpa.
B. In the PTR record for 165.100.51.198.in-addr.arpa.
C. In the RNAME record for 198-51-100-165.rev.arpa.
D. In the ARPA record for 165.100.51.198.rev.
E. In the REV record for arpa.in-addr.198.51.100.165.
Which of the following types of bus can connect hard disk drives with the motherboard?
A. The RAM bus
B. The NUMA bus
C. The CPU bus
D. The SATA bus
E. The Auto bus
What is true about the dmesg command? (Choose two.)
A. It traces the execution of a command and shows each step the program carries out.
B. It sends messages to the command lines of all current user sessions.
C. It displays the content of the Linux kernel's ring buffer.
D. It immediately outputs all new messages written to the system journal.
E. It might not display older information because it was overwritten by newer information.
What is a Linux distribution?
A. The Linux file system as seen from the root account after mounting all file systems.
B. A bundling of the Linux kernel, system utilities and other software.
C. The set of rules which governs the distribution of Linux kernel source code.
D. An operating system based on Linux but incompatible to the regular Linux kernel.
E. A set of changes to Linux which enable Linux to run on another processor architecture.
A directory contains the following three files:
texts 1.txt texts 2.txt texts 3.csv
Which command copies the two files ending in .txt to the /tmp/ directory?
A. cp ??.txt /tmp/
B. cp *.txt /tmp/
C. cp. \.txt /tmp/
D. cp ?.txt /tmp/
E. cp $?.txt /tmp/
Which of the following devices represents a hard disk partition?
A. /dev/ttyS0
B. /dev/sata0
C. /dev/part0
D. /dev/sda2
E. /dev/sda/p2
The ownership of the file doku.odt should be changed. The new owner is named tux. Which command accomplishes this change?
A. chmod u=tux doku.odt
B. newuser doku.odt tux
C. chown tux doku.odt
D. transfer tux: doku.odt
E. passwd doku.odt:tux
Which statements about the directory /etc/skel are correct? (Choose two.)
A. The personal user settings of root are stored in this directory.
B. The files from the directory are copied to the home directory of the new user when starting the system.
C. The files from the directory are copied to the home directory of a new user when the account is created.
D. The directory contains a default set of configuration files used by the useradd command.
E. The directory contains the global settings for the Linux system.