Renew 201-450 Exam Study Guides With New Update Exam Questions

Q5. After configuring a new kernel, what file under /usr/src/linux/ contains the configuration?

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Q6. What happens if the Linux kernel can't mount the root filesystem when booting?

A. An error message is shown and the administrator is asked by the kernel to specify a valid root filesystem to continue the boot process.

B. An error message is shown and the system reboots after a keypress.

C. An error message is shown and the system boots in maintenance mode.

D. An error message is shown showing which device couldn't be mounted or informing that init couldn't be found.

E. An error message is shown stating that the corresponding kernel module couldn't be loaded.

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Q7. 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?

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Q8. Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?

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Q9. 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.

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Q10. During booting, when the Linux kernel loads an initramfs file, which command from the initramfs will be executed first, if present?

A. /init

B. /initrd

C. /linuxrc

D. /rc.local

E. /sbin/init

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Q11. 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.

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Q12. What mechanism does collectd use to gather monitoring information on systems?

A. It uses a library of plugins.

B. A master server connects to a collectd service on each machine to retrieve the information.

C. It collects its own information on each server and sends that to a master server.

D. It makes SNMP queries to the clients being monitored.

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Q13. What is the minimum number of disks required in a fully redundant RAID5 array?

A. 1

B. 2

C. 3

D. 4

E. 5

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Q14. What keyword is missing in the following line from /etc/fstab in order to make a USB flash device writeable by the user fred when mounted:

/dev/sda1 /mnt/usbflash vfat defaults,users, ______ =fred,umask=022, 0 0

(Provide the option name only without any settings)

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