1Z0-409 Oracle Linux Fundamentals Practice Test Set 4

Match the following Regular Expression Character classes with their class descriptions:
1) [:alnum:] a) match all control characters
2) [:alpha:] b) match all printable characters (not including space)
3) [:graph:] c) match all letters and digits
4) [:print:] d) match all letters
5) [:cntrl:] e) match all printable characters


Options are :

  • 1-c, 2-d, 3-e, 4-a, 5-b
  • 1-d, 2-c, 3-b, 4-e, 5-a
  • 1-c, 2-d, 3-b, 4-e, 5-a (Correct)
  • 1-d, 2-c, 3-e, 4-b, 5-a

Answer : 1-c, 2-d, 3-b, 4-e, 5-a

What are the extra features that the Bourne Again Shell (bash) has compared to the Bourne Shell (sh)? (Choose all that apply.)
A. background exit statusB. read values from the terminal
C. combine STDOUT and STDERR
D. file name completion and command history
E. allows functions and variables with the same name
F. expansion of positional parameters beyond $9 with ${num} 


Options are :

  • C,D,F
  • B,C,D
  • None
  • D,E,F (Correct)
  • A,B,C

Answer : D,E,F

Which statements are true about a source RPM? (Choose all that apply.)
A. Source RPM cannot be used to build a binary rpm.
B. Source RPMs can be compiled and installed directly.
C. Source RPMs allow to customize the package for a particular CPU.
D. Source RPM does not contain information about how to install the software.


Options are :

  • C,D
  • A,D
  • B,C (Correct)
  • A,B

Answer : B,C

OCA Oracle Database 11g Administrator Certified Associate Set 1

A printer has been connected to the single available port. You execute the following command at the prompt: echo "This is a simple test" > /dev/lp0 What can you infer from the command? 


Options are :

  • The text is simply echoed on to the standard output device
  • The text is saved in the /dev/lp0 file.
  • The text will be printed by the printer attached to/dev/lp0. (Correct)
  • The text will not be printed because the printer has not been mentioned explicitly on the command line.

Answer : The text will be printed by the printer attached to/dev/lp0.

Identify the feature that is common to both the GNOME and KDE desktops. 


Options are :

  • built on the Qt library
  • Both are themeable. (Correct)
  • built on the GTK library
  • Both are created by FSF.

Answer : Both are themeable.

The user smith issued the PS1='[\w \d \! \#]'command. What is the purpose of using this command?


Options are :

  • to display the week day, date, history number, and a "#" at his shell prompt
  • to display the command number, date, and "#" at his shell prompt along with the working directory
  • to display the date, history number, and a "#" at his shell prompt
  • to display the command number and history number of the command, date, and current working directory at his shell prompt (Correct)

Answer : to display the command number and history number of the command, date, and current working directory at his shell prompt

OCA Oracle 12C Administration (1Z0-062) Practice Test Set 1

The user smith issued the egrep "^[[:upper:]]" words.txt command. What does this command do?


Options are :

  • displays all lines in the words.txt file after translating lowercase letters to uppercase
  • displays all lines in the words.txt file that contains an uppercase letter
  • displays all lines in the words.txt file after translating uppercase letters to lowercase
  • displays all lines in the words.txt file that begins with an uppercase letter (Correct)

Answer : displays all lines in the words.txt file that begins with an uppercase letter

The user bob on station 1 wants to chat using talk with smith on station 2 in the same network. Identify the statement that holds true in this scenario


Options are :

  • smith has to respond to bob only from station 2
  • bob can use only the login name to send a message to smith using talk.
  • bob can use talk to chat with only the locally logged-in users on station 1.
  • smith can respond to bob from any machine within the network. (Correct)

Answer : smith can respond to bob from any machine within the network.

Which system help facility gives the help page exactly as using -k switch with man?


Options are :

  • apropos (Correct)
  • --help option with the command
  • whatis
  • info

Answer : apropos

1Z0-518 Oracle EBS R12 Receivables Essentials Practice Exam Set 1

You want to archive a directory and its sub directories (excluding a list of sub directories from a file) using the tar command. Which option would help you to do this?


Options are :

  • --exclude
  • -X (Correct)
  • -F
  • -C

Answer : -X

Which command gives the following output? 


Options are :

  • echo "Date `time +%x` , Time `time +%r` "
  • echo "Date date +%x , Time date +%r "
  • echo "Date `date +%r` , Time `date +%x` "
  • echo "Date `date +%x` , Time `date +%r` " (Correct)

Answer : echo "Date `date +%x` , Time `date +%r` "

1Z0-517 Oracle EBS R12.1 Payables Essentials Practice Exam Set 5

Match the following shell special characters with their usage:
1) \ a) used in pairs to quote other special characters so they will not be interpreted by the shell or to embed blanks
2) ' ? b) variable substitution
3) { } ~ c) used to escape the special meaning of the next character
4) $ d) wildcard file name expansion


Options are :

  • 1-b, 2-d, 3-c, 4-a
  • 1-c, 2-a, 3-b, 4-d
  • 1-c, 2-b, 3-a, 4-d
  • 1-c, 2-a, 3-d, 4-b (Correct)

Answer : 1-c, 2-a, 3-d, 4-b

Match the commands with their functions:
1. make a. installs the software to the target directory specified during configure, but typically defaults to /usr/local/subtree
2. configure script b. calls the compiler and linker as specified by the Makefile
3. make install c. creates the necessary Makefiles based on the user information


Options are :

  • 1-c, 2-b, 3-a
  • 1-b, 2-c, 3-a (Correct)
  • 1-c, 2-a, 3-b
  • 1-a, 2-c, 3-b

Answer : 1-b, 2-c, 3-a

Which four statements are true about the find command in Linux? (Choose four.)
A. The user can specify how to process the files.
B. The user can specify where to search (pathname).
C. The user can specify what type of file to search for.
D. The user can specify to perform logical operations on selections.
E. The user can search and replace the contents of files with find.
F. The user cannot find recently added files or directories on the system.


Options are :

  • C,D,E,F
  • B,D,E,F
  • B,C,D,E
  • A,B,C,D (Correct)

Answer : A,B,C,D

1Z0-517 Oracle EBS R12.1 Payables Essentials Practice Exam Set 1

Identify the two main branches from the UNIX family tree, where the cross-pollination between these branches was responsible for making UNIX so powerful. (Choose two.)
A. MIT
B. GNU
C. BSD
D. POSIX
E. BESYS
F. System V


Options are :

  • A,B
  • A,E
  • C,D
  • C,F (Correct)

Answer : C,F

Which three statements are true about screen? (Choose three.)
A. screen has the ability to lock a terminal.
B. screen has the ability to monitor a session.
C. screen windows do not adhere to vt100 standards. D. All windows in a screen are dependent on each other.
E. Each window in a screen has its own scroll-back buffer


Options are :

  • C,D,E
  • A,B,E (Correct)
  • A,C,D
  • A,B,C

Answer : A,B,E

User smith on station2 is trying to chat with the remote user bob on station1 using the talk command. smith receives an error message as shown below:  [smith@station2 ~]$talk bob@station1.example.com [No connection yet] [ Error on read from talk daemon: Connection refused ] [smith@station2 ~]$ What can the root user do to resolve the issue? (Choose two.)A. let smith retry talk by reading from STDIN and sending to bob
B. let smith retry talk after changing the group of talk command to tty
C. let smith retry the talk request with UDP port 518 open on both systems
D. let smith retry talk after restarting the xinetd service with ntalk enabled on both systems
E. let smith retry talk after restarting the network service with the UDP port 517 blocked on both
systems



Options are :

  • A,E
  • A,B
  • B,C
  • C,D (Correct)

Answer : C,D

1Z0-517 Oracle EBS R12.1 Payables Essentials Practice Exam Set 10

The root user on your system has issued the ln -s file1.txt file2.txt command. Which two statements are true? (Choose two.)
A. file2.txt will have 777 permissions.
B. file1.txt will be symbolically linked to file2.txt.
C. file2.txt will be symbolically linked to file1.txt.
D. file2.txt and file1.txt will have the same inode number.
E. file2.txt and file1.txt should exist on the same file system.


Options are :

  • B,E
  • A,C (Correct)
  • C,D
  • A,B

Answer : A,C

Multiple users can share a UNIX machine. This is made possible by the OS by using one user's idle time to service other users. What is this feature of an operating system identified as? 


Options are :

  • one-time initialization
  • data sharing
  • light weight kernel threading
  • time sharing (Correct)

Answer : time sharing

Two users, bob on station 1 and smith on station 2, generated a public/private key pair using sshkeygen to enable password-less secure shell login between them. What w/.ssh/authorized_keys and vice versa.

OCA Oracle 12C Administration (1Z0-062) Practice Test Set 1

You have the /tools directory on a system with critical system files reserved for future use. As a Linux administrator which command would you use to protect these files from a user who might get the UID or GID as shown below?
[root@server1 ~]# ls -ld /tools/ drwxrwx--- 108 517 527 4096 Mar 26 20:00 /tools/


Options are :

  • chmod u+s /tools
  • chown -R 0.0 /tools (Correct)
  • chmod o+t /tools
  • chown -R nobody.nobody /tools

Answer : chown -R 0.0 /tools

What would be the default permissions on files and directories created by a user with umask 027?


Options are :

  • Files and directories will have 000 permissions because 027 is not a valid umask.
  • Files and directories will have default permissions as of the default umask because 027 is not a valid umask.
  • Files will have 639 permissions and directories will have 750 permissions.
  • Files will have 640 permissions and directories will have 750 permissions. (Correct)

Answer : Files will have 640 permissions and directories will have 750 permissions.

A printer has been configured on a Linux box in a heterogeneous network using CUPS. A user sends a print job from a WINDOWS machine. Identify the statement that holds true in this scenario.


Options are :

  • The user will not able to print because he/she is on a non-UNIX system
  • The user will be able to print because the printer follows the IPP standard. (Correct)
  • The user will not be able to print because WINDOWS does not support CUPS by default
  • The user will not able to print because the printer is configured using CUPS.

Answer : The user will be able to print because the printer follows the IPP standard.

OCA Oracle Database 11g Administrator Certified Associate Set 3

You want to customize the default background color in an X window system using command-line options. What would you do to achieve this task? 


Options are :

  • Edit the ~/.Xauthority file.
  • Edit the ~/.Xresources file.
  • Edit the ~/.Xdefaults file. (Correct)
  • Edit the ~/.xinitrc file

Answer : Edit the ~/.Xdefaults file.

Observe the following while loop: while true do echo " Welcome" sleep 5 done What does the while statement do in the script when the condition is true?


Options are :

  • It executes the echo command 5 times with a sleep time of 5 seconds.
  • It executes the echo command infinitely with a sleep time of 5 seconds. (Correct)
  • It executes the echo command infinitely with a sleep time of 5 minutes.
  • It executes the echo command 5 times with a sleep time of 5 minutes

Answer : It executes the echo command infinitely with a sleep time of 5 seconds.

Identify the program that runs with the real and effective UID and GID of the switched user when you switch from one user to another using su command


Options are :

  • an interactive shell (Correct)
  • a logout script
  • the id command
  • the login command

Answer : an interactive shell

1Z1-574 Oracle IT Architecture Essentials Practice Exam Set 1

The user smith wants to display the total number of lines that are 4 characters (letters and digits) long or more from the file1.txt file. Which regular expression or command should smith use? 


Options are :

  • egrep "^[[:alnum:]]{4,}$" file1.txt | wc -c
  • egrep "^[[:alnum:]]{4,}$" file1.txt | wc -l (Correct)
  • egrep "^[[:alpha:]]{4,}$" file1.txt | wc -w
  • egrep "^[[:alpha:]]{4,}$" file1.txt | wc -l

Answer : egrep "^[[:alnum:]]{4,}$" file1.txt | wc -l

Match the following Linux kernel virtual hierarchies with their content:
1) /proc a) Per process information directories and other tunables 2) /sys b) RAM drive for POSIX shared memory operations
3) /dev/pts c) Kernel object data structures
4) /dev/shm d) Auto-ownership of terminals (ttys)



Options are :

  • 1-a, 2-b, 3-d, 4-c
  • 1-b, 2-a, 3-d, 4-c
  • 1-b, 2-a, 3-c, 4-d
  • 1-a, 2-c, 3-d, 4-b (Correct)

Answer : 1-a, 2-c, 3-d, 4-b

As an administrator, you mounted the /exports/projects NFS exported directory from a server on a LAN using the default NFS settings. You find the performance to be low. Which NFS mount options can you use to increase the performance?


Options are :

  • set rsize=8192 and keep the write packet size at the default.
  • set wsize=8192 and keep the read packet size at the default.
  • set rsize=8192 and wsize=8192 (Correct)
  • set rsize=32768 and wsize=32768

Answer : set rsize=8192 and wsize=8192

1Z0-409 Oracle Linux Fundamentals Practice Exam Set 2

As root you have issued the following command :  [root@station2]# rpmbuild --rebuild send mail-8.12.8-9.80.src.rpm What does the rpmbuild command do? (Choose two.)A. It builds the sendmail source package.
B. It only installs the binary software produced from the sendmail source package.
C. It only compiles the binary software produced from the sendmail source package.
D. It does both the compilation and installation of the binary software produced from the send mail source package. 


Options are :

  • A,B
  • A,D (Correct)
  • B,C
  • C,D

Answer : A,D

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