201-450 | Replace 201-450 Exam Study Guides With New Update Exam Questions

Question No: 6

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

Question No: 7

What is the meaning of the /etc/auto.home file?

A. It has the indirect maps for the mounting of file systems.

B. It has configuration information, such as passwords and keys, for the remote file server.

C. It has configuration information on settings for the /home mount point.

D. It is the holds the SSL key to allow authentication to the remote file server.

Answer: A

Question No: 8

In capacity planning exercises, which tools assist in listing and identifying processes of interest? (Choose TWO correct answers.)

A. acpid

B. lsof

C. pstree

D. telinit

Answer: BC

Question No: 9

What mount option must be used in /etc/fstab when mounting an iSCSI target?

A. _santarget

B. iscsi

C. waitiscsi

D. _netdev

Answer: D

Question No: 10

The main configuration file for autofs has this entry:

Answer:

/home /etc/auto.home

Question No: 11

A Linux server is running in single user mode for regular maintenance. Which commands are used to restore the server to its usual runlevel? (Choose TWO correct answers.)

A. telinit 0

B. shutdown -r now

C. sync

D. shutdown -h now

E. reboot

Answer: BE

Question No: 12

After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)

Answer:

sync

Question No: 13

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

Question No: 14

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

Question No: 15

If all of the following files and/or symlinks exist in a SysV-init runlevel directory, which of the following will be executed first when booting the system directly into the runlevel?

A. S99lpi

B. K99lpi

C. PRE-S99lpi

D. S98lpi

E. S99a-lpi

Answer: D