[Free] 2018(Jan) EnsurePass Testinsides LPI 201-400 Dumps with VCE and PDF 241-250

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LPIC-2 Exam 201

Question No: 241 – (Topic 9)

What file will tell you at what frequency the system processor is running?

  1. /proc/cpuinfo

  2. /proc/frequency

  3. /proc/speed

  4. /proc/mhz

  5. /proc/bogomips

Answer: A

Explanation: The /proc/cpuinfo file contains information about your system’s processor(s).

Reference: http://people.debian.org/~wouter/laptop/node21.html

Incorrect Answers B:This file doesn’t exist. C:This file doesn’t exist. D:This file doesn’t exist. E:This file doesn’t exist.

Question No: 242 – (Topic 9)

What command is used to create a ISO9660 filesystem that can be properly accessed from a Windows 95/98 machine?

  1. mkisofs -l -o backup.iso /home/joe

  2. mkisofs -J -T -r -o backup.iso /home/joe

  3. mkisofs -D -T -o backup.iso /home/joe

  4. mkisofs -j -T -o backup.iso /home/joe

  5. mkisofs -d -T -r -o backup.iso /home/joe

Answer: B Explanation:

mkisofs – create an hybrid ISO9660/JOLIET/HFS filesystem with optional Rock Ridge attributes.

-D Do not use deep directory relocation, and instead just pack them in the way we see them. If ISO9660:1999 has not been selected, this violates the ISO9660 standard, but it happens to work on many systems. Use with caution.

-T Generate a file TRANS.TBL in each directory on the CDROM, which can be used on non-Rock Ridge capable systems to help establish the correct file names. There is also information present in the file that indicates the major and minor numbers for block and character devices, and each symlink has the name of the link file given.

-r This is like the -R option, but file ownership and modes are set to more useful values. The uid and gid are set to zero, because they are usually only useful on the author芒s system, and not useful to the client. All the file read bits are set true, so that files and directories are globally readable on the client. If any execute bit is set for a file, set all of the execute bits, so that executables are globally executable on the client. If any search bit is set for a directory, set all of the search bits, so that directories are globally searchable on the client. All write bits are cleared, because the CD-Rom will be mounted read-only in any case. If any of the special mode bits are set, clear them, because file locks are not useful on a read-only file system, and set-id bits are not desirable for uid 0 or gid 0. When used on Win32, the execute bit is set on all files. This is a result of the lack of file permissions on Win32 and the Cygwin POSIX emulation layer.

Question No: 243 – (Topic 9)

What does the following script do?


find / -perm 4000 | mail -s “Daily find output” root

  1. Emails a report of all guid files to root

  2. Emails a report of all important files to root

  3. Emails a report of all writeable files to root

  4. Emails a report of all suid files to root

  5. Corrects permissions on files and emails the result to root

Answer: D

Question No: 244 – (Topic 9)

Which RAID level provides most redundancy?

  1. RAID0

  2. RAID1

  3. RAID4

  4. RAID5

Answer: B

Question No: 245 – (Topic 9)

Which THREE statements concerning automounter are true?

  1. The autofs service does not need to be restarted after changing automounter map files.

  2. Only one entry in master map can refer to each map file.

  3. The automounter service does not rely on the kernel configuration.

  4. For each entry in auto.master, a separate automounter daemon is started.

  5. Changes to auto.master require automounter to reload its configuration.

Answer: A,D,E

Explanation: http://linux.about.com/library/cmd/blcmdl8_autofs.htm

Question No: 246 – (Topic 9)

During which stage of the boot process would this message be seen?

ide_setup: hdc=ide-scsi

  1. Boot loader start and hand off to kernel.

  2. Kernel loading.

  3. Hardware initialization and setup.

  4. Daemon initialization and setup.

Answer: B

Question No: 247 – (Topic 9)

It is possible to configure kernel parameters at runtime (e.g the maximum size of the shared memory segment (shmmax)). In which TWO ways can this be changed to 2GB (2147483648 Bytes) on a running system?

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

  2. sysctl shmmax=2147483648

  3. sysctl kernel.shmmax=2147483648

  4. echo 2147483648 gt; /proc/sys/kernel/shmmax

  5. export kernel.shmmax=2147483648

Answer: C,D

Explanation: /proc is the Virtual File system, which contains the running kernel information. To tune the running kernel, we should change the value on /proc. Regarding the shared memory, either we can change the value of

/proc/sys/kernel/shmmax which brings the changes recently on running kernel. To set the permanent Value of maximum size of shared memory:

kernel.shmmax=?? in /etc/sysctl.conf, but you should reboot the system to bring changes on kernel.

Question No: 248 – (Topic 9)

One of the IDE hard drives in a server is transferring data very slowly. What

command must be run to enable DMA on it?

  1. hdparm -d /dev/hda

  2. hdparm -dma /dev/hda

  3. hdparm -dma /dev/hda1

  4. hdparm -d /dev/hda1

  5. hdparm -d 1 /dev/hda

Answer: E Explanation:

hdparm provides a command line interface to various hard disk ioctls supported by the stock Linux ATA/IDE device driver subsystem. Some options may work correctly only with the latest kernels.

-d Disable/enable the quot;using_dmaquot; flag for this drive. This option now works with most combinations of drives and PCI interfaces which support DMA and which are known to the IDE driver. It is also a good idea to use the appropriate -X option in combination with -d1 to ensure that the drive itself is programmed for the correct DMA mode, although most BIOSs should do this for you at boot time. Using DMA nearly always gives the best performance, with fast I/O throughput and low CPU usage. But there are at least a few configurations of chipsets and drives for which DMA does not make much of a difference, or may even slow things down (on really messed up hardware!). Your mileage may vary.

Question No: 249 – (Topic 9)

What command must be used to create an ext3 filesystem?

  1. mke2fs

  2. mkext2fs

  3. mke3fs

  4. mkext3fs

  5. mkjfs

Answer: A

Question No: 250 – (Topic 9)

The following shell script is run by cron on a regular basis:

x=$(find /home -name .rhost 2gt;/dev/null) for i in $x; do

$y=$(echo $I | cut -d/ -f3);z=”$z $y” rm $I;done

echo “Notice: $z” | mail root@example.com Which best defines the action of this script?

  1. Verify the existence of users’ .rhost files and removes the user.

  2. Remove all .rhosts files and notify each user of your action.

  3. Find all misplaced rhost files and remove them.

  4. This script checks for the existence of .rhost files, deletes them and reports the offending user names to root.

  5. Notify the root user of all .rhost files.

Answer: D

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