ITC 136

1.

1 point

A Linux user wants to create a hard link named ile2 in the current directory that points to /usr/var/file. Which of the following commands can be used?

ln -h /usr/var/file file2

ln file2 /usr/var/file

ln /usr/var/file file2

ln -h file2 /usr/var/file

2.

1 point

Which of the following can be used to view username, UID (User ID), GID (Group ID), full name, home directory, and default shell information?

cat /etc/shadow

cat /etc/group

cat /etc/passwd

cat /etc/services

3.

1 point

Which of the following commands should be used to monitor system logs in real time?

tail -f /var/log/messages

tail -r /var/log/messages

tail -s /var/log/messages

tail -v /var/log/messages

4.

1 point

The /var/log/messages file was deleted and the syslog daemon did not recreate it. Which of the following commands would remedy this situation?

cat /dev/random > /var/log/messages

touch /var/log/messages

logform /var/log/messages

syslogd --recreate-file

5.

1 point

A system administrator wants to see if an RPM package is installed on a user workstation. Which of the following commands should be used?

rpm -qa | grep %name of package%

find -name rpm | grep %filename%

rpm -query %filename%

rpmfind %name of package%

6.

1 point

Which of the following commands can be used to back up all the files in the current directory and compress them?

tar -cvf - * | gunzip > backup.tgz

gtar zcvf backup.tgz *

tar zcvf backup.tgz *

tar -Zxvf backup.tgz *

7.

1 point

The following command run as root will search the system for which of the following?
find / -name '.*'

All hidden files

All files created in /

All files created today

All directories

8.

1 point

Which of the following commands is used to search the whole directory structure to locate a specific file, but still can execute other commands while the 'find' command is searching for the file?

find filename > background

find / filename &

find / -name filename

find / -name filename &

9.

1 point

The administrator issues the 'ls -l /home' command and sees the following output:
drwxr-sr-x 2 578 578 4096 Jun 13 13:50 user1
The output indicates which of the following?

User1 is a system administrator.

The user1 directory has 578 inodes.

The user1 directory entry wsa deleted from /etc/passwd.

The user1 directory is now owned by user 578.

10.

1 point

A user downloads the software package "package.tar.bz2" from the vendor. Which of the following command lines can be used to extract the contents of the package?

tar xvf package.tar.bz2 | bzip2 -d

bzip2 -d < package.tar.bz2 | tar xvf -

tar xf package.tar.bz2

bzip2 package.tar | tar xvf package.tar.bz2

11.

1 point

An application is failing and indicates that the error.log should be viewed, but no location is provided. How can this file for the error.log be found effectively?

find / -name error.log

find / -n error.log

find -name error.log

find / -daystart -amin 60 -name error.log

12.

1 point

Which of the following commands is used to check the status of a software RAID?

mkraid --status

cat /proc/mdstat

mkraid --verify

cat /proc/ide/raid

13.

1 point

A technician needs to extract the entire archive 'backup.tar.bz2'. Which of the following commands will accomplish this?

tar xjf backup.tar.bz2

tar xbf backup.tar.bz2

tar xZa backup.tar.bz2

tar x --bz2 backup.tar.bz2

14.

1 point

Which of the following commands will recursively search through all subdirectories from the current directory for files owned by the root user?

grep -r root .

find . -uid 0

grep -u root .

find . -uname root

15.

1 point

Which of the following commands can be used to display the location of all the setuid regular files on /mnt?

find /mnt -type f -perm -u+s -ls

find /mnt -mode s -ls

find /mnt -setuid -ls

find /mnt -suid -type f -ls

16.

1 point

Which of the following is the quickest way to create a file that lists groups to which the user 'bob' belongs?

grep bob /etc/group > bob_groups.txt

cd /etc; cat groups | grep bob | vi > bob_groups.txt

whereis bob >> bob_groups.txt

find /etc/passwd bob >> bob_groups.txt

17.

1 point

Which of the following commands will recursively search through all subdirectories from the current directory for files owned by the root user?

find . -uid 0

grep -u root .

find . -uname root

grep -r root .

18.

1 point

Which of the following commands can be used to create a link to the file /home/joe/help in /tmp/help.old?

ln -v /home/joe/help /tmp/help.old

ln -s /tmp/help.old /home/joe/help

ln -s /home/joe/help /tmp/help.old

ln -s help help.old

19.

1 point

Which of the following commands will locate files that have been modified in the past two days?

grep / -ctime 2

locate -t2

find / -mtime 2

whereis -time 2

20.

1 point

Which of the following commands can be used to hide the file "help.new"?

atrrib -h help.new

cp help.new .help.new

mv help.new .help.new

chmod 4000 help.new

21.

1 point

If a user wishes to monitor the last three lines of the log file messages.log and update it every 15 seconds, which of the following commands should be issued?

sar -f -s 15 -n 3 messages.log

watch -f -s 15 -n 3 messages.log

follow -f -s 15 -n 3 messages.log

tail -f -s 15 -n 3 messages.log

22.

1 point

Which of the following commands can be used to view the first 10 lines of the boot.log file?

top /var/log/boot.log

tail /var/log/boot.log

head /var/log/boot.log

first /var/log/boot.log

23.

1 point

A Linux user has a file named ackup.tar. How can the detailed file information in the file be viewed without extracting the contents?

tar lvf backup.tar

tar lf backup.tar

tar tvf backup.tar

tar tf backup.tar

24.

1 point

Which of the following commands will display the last 15 lines of an application log?

cat filename | less 15

grep -l 15 | cat

cat filename | more 15

tail 15 filename

25.

1 point

When executed, what type of installation file is created by the following command?
tar cvvjf filename file4 file2 file12

jar archive

lha tarball

gzip archive

bzip2 tarball

26.

1 point

Which of the following commands will display the last 15 lines of an application log?

cat filename | more 15

grep -l 15 | cat

cat filename | less 15

tail 15 filename

27.

1 point

Which of the following commands can be used to find all instances of files in the /etc directory containing tp in the file name?

find ntp*

find *ntp

find /etc/ntp

find /etc/*ntp*

28.

1 point

A Linux server is configured as a router, but the administrator notices that packets are no longer being routed. Which of the following should the administrator run on the server to verify routing functionality?

/etc/rc.d/squid status

cat /proc/self/status

/etc/rc.d/network status

cat /proc/sys/net/ipv4/ip_forward

29.

1 point

Which of the following commands will locate files that have been modified in the past two days?

whereis -time 2

locate -t2

find / -mtime 2

grep / -ctime 2