Lpi LPI Certifications 117-201 Questions & Answers

• Question 81:

  Which command displays information about connected USB devices?

  A. cat /proc/usbdevices

  B. cat /proc/usb/devices

  C. cat/proc/bus/usb/devices

  D. cat /proc/usbbus/devices

  E. cat /proc/hotplug/usb

  Correct Answer: C

• Question 82:

  Whatdoesthefollowingscriptdo?#!/bin/bashfind/-perm+4000|mail-s"Dailyfindoutput"root

  A. Emails a report of all guid files to root

  B. Emails a report of all important files to root

  C. Emails a report of all writeable files to root

  D. Emails a report of all suid files to root

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

  Correct Answer: D

• Question 83:

  A system has one hard disk, configured as master and connected to the primary IDE controller, and one CD writer, configured as slave and connected to the secondary IDE controller. If the system is correctly configured, which device is used to represent the CD writer?

  A. /dev/scd0

  B. /dev/hdd

  C. /dev/hdb

  D. /dev/srl

  E. /dev/scdl

  Correct Answer: B

• Question 84:

  When building an RPM package, which rpmbuild option is used to unpack sources and apply patches before proceeding with the next steps?

  A. -ba

  B. -bb

  C. -be

  D. -bs

  E. -bp

  Correct Answer: E

• Question 85:

  Which TWO statements about crontab are true?

  A. Every user may have their own crontab.

  B. Changing a crontab requires a reload/restart of the cron deamon.

  C. The cron daemon reloads crontab files automatically when necessary.

  D. hourly is the same as "0 * * * *".

  E. A cron daemon must run for each existing crontab.

  Correct Answer: AD

• Question 86:

  Messages from programs are not appearing in the user's native language. What environment variable must be set for this to happen?

  A. LANG

  B. Il8N

  C. MESSAGES

  D. MSGS

  E. LC_MSGS

  Correct Answer: A

• Question 87:

  Why shouldn't you use the options -z and -j when using tar with a magnetic tape backup?

  A. In case of damaged tape uncompressed tar archives may allow partial recovery of the backup

  B. Standard Linux compression software and hardware compresion in the tape drive will cause bigger files on the tapes.

  C. Standard Linux compression software won't be able to write to sequential tape media.

  D. Backup and restore performance will be better if we don't introduce the compression delay into the process

  E. The tape drive hardware-based compression achieves higher compression rates than either gzip or bzip2 software based compression.

  Correct Answer: A

• Question 88:

  In order to generate a pair of asymmetric keys to use during an SSH connection, please choose the correct command to use?

  A. ssh-keygen -t dsa

  B. ssh-agent

  C. sshd

  D. ssh-agent -t dsa

  E. ssh-keyscan-tdsa

  Correct Answer: A

• Question 89:

  Consider the following output from df -i:

  Filesystem Inodes IUsed IFree IUse% Mounted on /dev/md0 1966080 45044 192l036 3% / none 125731 712 125019 1% /dev none 127729 1 127728 l% /dev/shm none 127729 17 127712 l% /var/run none 127729 2127727 l% /var/lock none l966080 45044 192l036 3% /var/lib/ureadahead/debugfs /dev/sdel 0 0 0 - /mnt

  What filesystem does /dev/sdel most likely use?

  A. ext2

  B. ext3

  C. reiserfs

  D. xfs

  Correct Answer: C

• Question 90:

  An administrator has placed an executable in the directory /etc/init.d, however it is not being executed when the system boots into runlevel 2. What is the most likely cause of this?

  A. The script has not been declared in /etc/services

  B. runlevel 2 is not declared in /etc/inittab

  C. The script has the permissions 700 and is owned by root

  D. A corresponding link was not created in /etc/rc2.d

  Correct Answer: D