Top 10 practice exam 201-450 for customers (1 to 10)

Question No: 1

Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)

Question No: 2

Which command is used to install a new LILO boot loader?

A. lilo

B. lilo-config

C. lilo-install

D. install-lilo

Question No: 3

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.

Question No: 4

When planning a web server which of the following choices will impact system sizing? (Choose THREE correct answers.)

A. How many concurrent users are expected.

B. Which hardware vendor has better Linux support.

C. What type of content will be served.

D. What scripting languages will the web server support.

E. Will the OS install be CD, DVD or network based.

Question No: 5

A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently? (Specify the full name of the file, including path.)

Question No: 6

Which of the following best describes the format of the /etc/fstab file?

A. device name; filesystem type; mount point; mount options; dump filesystem; fsck order

B. device name; mount point; filesystem type; mount options; dump filesystem; fsck order

C. device name; mount point; mount options; filesystem type; dump filesystem; fsck order

D. mount point; filesystem type; device name; mount options; dump filesystem; fsck order

E. mount point; device name; filesystem type; mount options; dump filesystem; fsck order

Question No: 7

What are the main network services used by the PXE protocol? (Choose TWO correct answers.)

A. DNS

B. DHCP

C. HTTP

D. TFTP

E. NFS

Question No: 8

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.

Question No: 9

Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?

A. recover

B. lost+found

C. back

D. lost

Question No: 10

Which of the following tools are used to measure memory usage? (Choose THREE correct answers.)

A. mpstat

B. pstree

C. sar

D. top

E. vmstat