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New LPI 201-450 Exam Dumps Collection (Question 4 - Question 13)

Q1. A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?

Answer:

oldconfig, make oldconfig


Q2. Which file in /proc contains information on the status of local software RAID devices?

A. /proc/raidstat

B. /proc/mdstat

C. /proc/raidstatus

D. /proc/mdstatus

E. /proc/raid/status

Answer: B


Q3. Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?

A. top

B. uptime

C. ps aux

D. vmstat

E. freemem

Answer: A


Q4. What does a 0 in the last field (fsck order) of /etc/fstab indicate about the filesystem?

A. The filesystem should be checked before filesystems with higher values.

B. The filesystem should be checked after filesystems with higher values.

C. The filesystem check counter is ignored.

D. The filesystem has been disabled from being checked and mounted on the system.

E. The filesystem does not require an fsck check when being mounted.

Answer: E


Q5. Which of the following is a CD-ROM filesystem standard?

A. OSI9660

B. ISO9660

C. SR0FS

D. ISO8859

E. ROM-EO

Answer: B


Q6. Which of the following is a side effect of extensive usage of swap space?

A. The root filesystem may become full because swap space is always located on the system root partition.

B. The overall system performance may degrade because of heavy hard disk use and memory reorganization.

C. Since processes always exist completely in either RAM or swap, regular RAM may become unused if the kernel does not move processes back from the swap space to memory.

D. The memory may become fragmented and slow down the access to memory pages. However, this can be kept to a minimum by the regular use of memfrag -d.

E. Applications need to restart because their virtual memory addresses change to reflect memory relocation to the swap address area.

Answer: B


Q7. What is the purpose of the smartd daemon?

A. It is a user space daemon used for reading smart cards and integrated circuit chips.

B. It attempts to automatically repair file systems upon a failed file system check.

C. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.

D. It monitors certain disk drives and attempts to predict when they will fail.

Answer: D


Q8. What is the purpose of the command udevadm monitor?

A. It listens to kernel events produced by a udev rule and print information to the console.

B. It monitors the /dev directory for new devices.

C. It monitors the udev process and prints performance statistics to the console.

D. It communicates with D-Bus to setup new devices.

Answer: A


Q9. According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)

Answer:

/usr/src/linux, /usr/src/linux/


Q10. Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)

A. insmod

B. loadmod

C. kernload

D. modprobe

E. probemod

Answer: AD


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