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Question No.11

The system is having trouble and the engineer wants to bypass the usual /sbin/init start up and run /bin/sh. What is the usual way to pass this change to the kernel from your boot loader?

1. Start in runlevel 1.

2. Pass init=/bin/sh on the kernel parameter line.

3. Pass /bin/sh on the kernel parameter line.

4. Pass start=/bin/sh on the kernel parameter line.

Correct Answer: B

Question No.12

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

1. shutdown -r now

2. shutdown -r quot;rebootingquot;

3. telinit 6

4. telinit 0

5. shutdown -k now quot;rebootingquot;

Correct Answer: AC

Question No.13

Which command displays the contents of the Kernel Ring Buffer on the command line? (Provide only the command name without any options or path information)

Correct Answer: dmesg, /bin/dmesg

Question No.14

During a system boot cycle, what program is executed after the BIOS completes its tasks?

1. The bootloader

2. The inetd program

3. The init program

4. The kernel

Correct Answer: A

Question No.15

Which of the following commands will write a message to the terminals of all logged in users?

1. bcast

2. mesg

3. print

4. wall

5. yell

Correct Answer: D

Question No.16

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

1. Boot device order

2. Linux kernel version

3. Timezone

4. Hardware configuration

5. The system#39;s hostname

Correct Answer: AD

Question No.17

Which command will display messages from the kernel that were output during the normal boot sequence?

Correct Answer: dmesg, /bin/dmesg

Question No.18

Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

A.	0
B.	1
C.	3
D.	5
E.	6

Correct Answer: AE

Question No.19

The USB device filesystem can be found under /proc/ /usb/. (Please fill in the blank with the single word only)

Correct Answer: bus

Question No.20

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

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

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

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

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

Correct Answer: C

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