Question No: 2

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

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Question No: 3

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.

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Question No: 4

Due to extreme system use, a Linux system requires some additional swap space. To initialize 5GB of additional swap space, which combination of commands should be used?

A. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount /tmp/swapfile

B. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile

C. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon/tmp/swapfile

D. touch -5G /tmp/swapfile; swapon /tmp/swapfile

E. mkswap /tmp/swapfile 512000; swapon /tmp/swapfile

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Question No: 5

How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)

A. Edit /etc/shmmax and set the parameter to 2147483648.

B. sysctl shmmax=2147483648

C. sysctl kernel.shmmax=2147483648

D. echo 2147483648 > /proc/sys/kernel/shmmax

E. export kernel.shmmax=2147483648

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Question No: 6

Consider the following /etc/fstab file:

/dev/hda1 swap swap defaults 0 0

/dev/hda2 / ext2 defaults 1 1

/dev/hda3 /home ext2 defaults 1 2

none /proc proc defaults 0 0

/dev/sdb1 /media/usb0 vfat user,noauto 0 0

What is one of the possible commands that an ordinary (non-root) user can use to mount the /dev/sdb1 partition on the /media/usb0 mount point? (Please enter the command with all parameters and/or options but without any file system type options.)

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Question No: 7

What is a key difference between a zImage and bzImage kernel image?

A. zImage is compressed using gzip, bzImage is compressed using bzip2.

B. zImage is for 2.6 series kernels, bzImage is for 3.x series kernels.

C. zImage is limited to 64k, bzImage has no such restriction.

D. zImage gets loaded completely into low memory. bzImage will load into high memory once low memory is full.

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Question No: 8

The main configuration file for autofs has this entry:

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Question No: 9

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

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Question No: 10

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

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Question No: 11

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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