101-500 Online Practice Questions and Answers

CORRECT TEXT Which command reads and displays the current contents of the Kernel Ring Buffer on the command line? (Specify ONLY the command without any path or parameters.)

CORRECT TEXT

To prevent users from being able to fill up the / partition, the ____________ directory should be on a separate partition if possible because it is world writeable.

Which of the following commands lists the dependencies of a given dpkg package?

A. apt-cache depends-onpackage

B. apt-cache dependencies package

C. apt-cache depends package

D. apt-cache requires package

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

A. cat < myapp | cat > file1.log

B. myapp 0>and1 | cat > file1.log

C. myapp | cat > file1.log

D. myapp | tee file1.log

E. tee myapp file1.log

What is the output of the following command? echo "Hello World" | tr -d aieou

A. Hello World

B. eoo

C. Hll Wrld

D. eoo Hll Wrld

What do the permissions -rwSr-xr-x mean for a binary file when it is executed as a command?

A. The command is SetUID and it will be executed with the effective rights of the owner.

B. The command will be executed with the effective rights of the group instead of the owner.

C. The execute flag is not set for the owner. Therefore the SetUID flag is ignored.

D. The command will be executed with the effective rights of the owner and group.

Which of the following commands prints a list of available package updates when using RPM-based package management?

A. dpkg list

B. yum list

C. dpkg check-update

D. yum check-update

E. yum list-update

Which of the following commands will load a kernel module along with any required dependency modules?

A. depmod

B. insmod

C. modprobe

D. module_install

E. loadmod

A Debian package creates several files during its installation. Which of the following commands searches for packages owning the file /etc/debian_version?

A. apt-get search /etc/debian_version

B. apt /etc/debian_version

C. find /etc/debian_version -dpkg

D. dpkg /etc/debian_version

E. apt-file /etc/debian_version

Which of the following files exist in a standard GRUB 2 installation? (Choose two.)

A. /boot/grub/stages/stage0

B. /boot/grub/i386-pc/1vm.mod

C. /boot/grub/fstab

D. /boot/grub/grub.cfg

E. /boot/grub/linux/vmlinuz