101-500 Real Exam Dumps Questions and answers 11-20
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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?
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Start in runlevel 1.
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Pass init=/bin/sh on the kernel parameter line.
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Pass /bin/sh on the kernel parameter line.
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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.)
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shutdown -r now
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shutdown -r quot;rebootingquot;
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telinit 6
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telinit 0
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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?
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The bootloader
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The inetd program
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The init program
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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?
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bcast
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mesg
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print
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wall
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yell
Correct Answer: D
Question No.16
Which of the following information is stored within the BIOS? (Choose TWO correct answers.)
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Boot device order
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Linux kernel version
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Timezone
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Hardware configuration
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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/?
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All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
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All files within /proc/ are read-only and their contents cannot be changed.
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All changes to files in /proc/ are immediately recognized by the kernel.
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All files within /proc/ are only readable by the root user.
Correct Answer: C
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