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Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

A.

shutdown -r now

B.

shutdown -r "rebooting"

C.

telinit 6

D.

telinit 0

E.

shutdown -k now "rebooting"

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

A.

/lib/init.so

B.

/sbin/init

C.

/etc/rc.d/rcinit

D.

/proc/sys/kernel/init

E.

/boot/init

Which of the following statements is correct when talking about /proc/?

A.

All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.

B.

All files within /proc/ are read-only and their contents cannot be changed.

C.

All changes to files in /proc/ are immediately recognized by the kernel.

D.

All files within /proc/ are only readable by the root user.

What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

A.

Entries for all possible devices get created on boot even if those devices are not connected.

B.

Additional rules for udev can be created by adding them to /etc/udev/rules.d/.

C.

When using udev, it is not possible to create block orcharacter devices in /dev/ using mknod.

D.

The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.

E.

The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

A.

systemd.target=rescue.target

B.

systemd.runlevel=rescue.target

C.

systemd.service=rescue.target

D.

systemd.default=rescue.target

E.

systemd.unit=rescue.target

What information can the lspci command display about the system hardware? (Choose THREE correct answers.)

A.

Device IRQ settings

B.

PCI bus speed

C.

System battery type

D.

Device vendor identification

E.

Ethernet MAC address

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

A.

silent

B.

verbose=0

C.

nomesg

D.

quiet

What does the ? symbol within regular expressions represent?

A.

Match the preceding qualifier one or more times.

B.

Match the preceding qualifier zero or more times.

C.

Match the preceding qualifier zero or one times.

D.

Match a literal ?character.

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>&1 | cat > file1.log

C.

myapp | cat > file1.log

D.

myapp | tee file1.log

E.

tee myapp file1.log