Question No: 3

What is incorrect about these entries in /etc/hosts which could be causing host name lookup problems with host2?

host1 192.168.1.12

host2 192.168.1.12

A. Two host names are using the same IP address.

B. The server doing the query is on a different subnet.

C. The fields are out of order.

D. host2 is not a fully qualified domain name.

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Question No: 4

Which of the following commands can be used to script interactions with various TCP or UDP services?

A. ftp

B. nc

C. tcpdump

D. strings

E. wget

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Question No: 5

The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?

A. hdparm -d /dev/hda

B. hdparm --dma /dev/hda

C. hdparm --dma /dev/hda1

D. hdparm -d /dev/hda1

E. hdparm -d 1 /dev/hda

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Question No: 6

In the output of sar u2013b, what does tps stand for?

A. Terrabyte per second

B. Traffic per second

C. Transfers per second

D. Total data per second

E. Terrabit per second

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Question No: 7

What command is used to make an exact copy, at a single point in time, of a logical volume for backup purposes?

A. lvsnap

B. lvsnapshot

C. lvcreate

D. lvcopy

E. lvclone

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Question No: 8

Which file contains the message that is displayed above the login prompt of the system console? (Specify the full name of the file, including path.)

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Question No: 9

What action should be performed after increasing the size of a logical volume?

A. Run vgresize.

B. Increase the size of the filesystem used for the logical volume.

C. Run lvresize.

D. Remount the logical volume.

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Question No: 10

Which of the following commands is used to set up a RAID volume?

A. makerd

B. mdadm

C. mkfs.raid

D. makeraid

E. rdconfig

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Question No: 11

What is the device name for the first SCSI tape drive on a system when used without automatic rewinding after each write operation? (Please specify the full path to the device.)

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Question No: 12

Which program lists information about files and network connections opened by processes? (Specify ONLY the command without any path or parameters.)

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