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Exam 1z0-402: Enterprise Linux Fundamentals
Exam Number: 1Z0-402
Associated Certifications: Oracle Enterprise Linux Administrator Certified Associate
Exam Price: 125$ US
Exam Registration: Register
Duration: 120 minutes
Number of Questions: 87
Passing Score: 57
Recommended Training and Preparation
Enterprise Linux: Linux Fundamentals
Additional Information & Resources
Exam Retake Policy
Sample Questions
Exam Topics
Enterprise Linux Fundamentals
[ ]
What is Linux?
[ ]
Identify the origins of UNIX and how Linux is related to UNIX
[ ]
Describe the major goals of the Free Software Foundation and the GNU project
[ ]
List key elements of a Linux distribution and name several distributions
[ ]
List several standards that apply to Linux
[ ]
Describe the basic mechanisms that make UNIX so powerful
Multi User Concepts
[ ]
Describe the differences between the administrative (root) user and normal user accounts and explain when each should be used
[ ]
Log into the system
[ ]
Switch between accounts using the ’su’ command
[ ]
Use basic commands to gather information about the system
[ ]
Use system help facilities to learn about commands and their options.
The Linux File System
[ ]
List the standard system directories and explain what type of files are contained in each
[ ]
Navigate the file system
[ ]
Explain standard POSIX file permissions including special permissions such as the SUID, SGID and Sticky bits on both files and directories
[ ]
Change permissions of files
[ ]
Explain how file ownership (user: group) relates to file permissions
[ ]
Change ownership of files
[ ]
Describe how the User Private Group (UPG) scheme works and the problem it solves
Manipulating Files
[ ]
Be able to create, delete, copy, move and rename files and directories
[ ]
Describe the various types of files that can be stored on UNIX and Linux file systems
[ ]
Explain hard links and symbolic links, their pros & cons and when & where they can or can not be used
[ ]
Identify the type of content of any file
[ ]
View the contents of both text-based and binary files
[ ]
Search the file system for files and directories with specific properties
Text Processing
[ ]
Search inside of files for specified information
[ ]
Perform file editing, sorting, cutting & merging text files from the command linee
Shell Basics
[ ]
Understand the varied roles the command shell plays in everyday UNIX/Linux usage
[ ]
Pipe several commands together to perform more complex and useful processing
[ ]
Use file redirection on the command line
[ ]
Create and use shell and environment variables to configure and control the operation of the system, the command shell and programs
[ ]
Use and escape special characters when they are used on the command line
Regular Expressions
[ ]
Construct regular expressions for matching text patterns
Archiving and Compression
[ ]
Use tar & cpio to create archives and extract files from them
[ ]
Compress and decompress files using the UNIX compress, GNU gzip, bzip2 and zip formats
Text Editing
[ ]
Use simple text editors like pico and nano
[ ]
Perform basic and intermediate text editing functions efficiently with vi & Vim
[ ]
Perform basic and intermediate text editing functions with GNU Emacs
Command Shells
[ ]
List the history and relationships of the various popular shell implementations available on UNIX and Linux systems
[ ]
Identify and switch between the various shell implementations
[ ]
Customize the command prompt on Bourne and BASH shells
[ ]
Use command line history, command completion, aliases and command line editing
[ ]
Customize command shell operation system wide and for individual users
Introduction to Shell Scripting
[ ]
Process arguments passed into a shell script
[ ]
Get input from the user of a shell script
[ ]
Generate formatted output from a shell script
[ ]
Perform tasks conditionally using if, case and while loops in a shell script
[ ]
Perform repeated actions over a set of values with for loops on the command line and within shell scripts
[ ]
Do math in a shell script
Process Management and Job Control
[ ]
Describe the differences between process and threads
[ ]
Find and control running programs with ps, top, kill, and nice
[ ]
Use the jobs, fg and bg commands to view and access several tasks at once on a single shell
[ ]
Use the screen command to run several programs and disconnect from running programs on remote systems
Messaging
[ ]
Send local messages with the write and wall commands
[ ]
Use talk and ytalk to chat with other users
[ ]
Send and read email with the mail and pine commands
The Secure Shell
[ ]
Configure the ssh client and sshd server programs securely
[ ]
Establish secure, remote connections to other systems
[ ]
Use SSH’s key-based authentication
Managing Software
[ ]
Find and download software via FTP & HTTP with text & graphical client programs like wget, lftp, links, Konqueror and Mozilla Firefox
[ ]
Install binary programs in RPM packages
[ ]
List software already installed on the system with RPM
[ ]
Compile and install software from source releases
[ ]
Compile and install software from a source RPM (SRPM or .src.rpm) package
Printing
[ ]
Use CUPS to connect to available local and network printers
[ ]
Use various commands to process and convert files in preparation for printing
[ ]
Send jobs to a printer
[ ]
Monitor and remove print jobs
Mounting FileSystems and Managing Removable Media
[ ]
Use the mount command
[ ]
Access NFS and SMB filesystems over the network
[ ]
Use autofs for on-demand mounting of filesystems without root privileges
X Window System
[ ]
Start the graphical environment manually
[ ]
Select different desktop environments
[ ]
Launch graphical applications
[ ]
Use Linux as an X terminal
[ ]
Customize the graphical environment and auto-start applications at login and X startup
[ ]
Securely tunnel remote graphical applications through SSH
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Recommended Training about 1z0-402 exam PDF
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1z0-402 Q & A with Explanations
1z0-402 Audio Exam
1z0-402 Study Guide
1z0-402 Preparation Lab
1z0-402 Exam: Freetestking’s Oracle Enterprise Linux: Fundamentals PDF
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Question: 1
You located a file created in /home successfully by using the slocate command. You found that the slocate command could locate that file even after deletion. What could be the possible
solution to stop listing deleted files? (Choose all that apply.)
A. Run updatedb to update the database. B. Run slocate -u to update the database.
C. Use the locate command instead of slocate.
D. Delete the /var/lib/slocate/slocate.db file because it buffers all search results.
E. Reboot the system so that it will update the kernel memory because the kernel stores all results in the memory.
Answer: A, B Question: 2
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?
A. set rsize=8192 and wsize=8192.
B. set rsize=32768 and wsize=32768.
C. set wsize=8192 and keep the read packet size at the default. D. set rsize=8192 and keep the write packet size at the default. E. set rsize=32768 and keep the write packet size at the default. F. set wsize=32768 and keep the read packet size at the default.
Answer: A Question: 3
Two users, bob on station1 and smith on station2, generated a public/private key pair using ssh- keygen to enable password-less secure shell login between them. What would be their next step
to accomplish the task?
A. Copy the private key of bob to station2:~smith and vice versa.
B. Copy the key pair of bob to station2:~smith/.ssh as public and private keys.
C. Copy the private key of bob to station2:~smith/.ssh/authorized_keys and vice versa.
D. Copy the public key of bob to station1:~smith/.ssh/authorized_keys and vice versa.
E. Copy the public key of bob to station2:~smith/.ssh/authorized_keys and vice versa.
Answer: E Question: 4
Exhibit:
As a Linux administrator, you have to let the users smith and scott manage files and directories in the /software directory on their own, with full permissions between each other’s files. What are the most essential steps needed to grant them the required privileges? (Choose all that apply.)
Page 1 of 64
TK
Exam Name: Oracle Enterprise Linux: Fundamentals
Exam Type Oracle
Exam Code: 1Z0-402 Total Questions: 224
A. Add SUID on /software.
B. Add 777 permissions on /software. C. Add u=— permissions on /software.
D. Add scott as a member of the apps group.
E. Add rwx permissions for the apps group on /software.
Answer: D, E Question: 5
Exhibit:
A normal user bob logs in from server200 to server1 through telnet and runs the xclock command but fails with an error message as shown in the Exhibit. What could be the possible reason for the error?
A. This is because gdm is not started on the machine.
B. This is because of the temporary failure in name resolution.
C. This is because the default X access controls do not permit remote connections.
D. This is because the graphical display manager is not configured to allow TCP connections.
Answer: D Question: 6
What is the effect of issuing ZZ and ZQ in the vi editor command mode?
A. The command ZZ will zoom in the vi editor command mode and ZQ will zoom out the view.
B. The command ZZ will thrash all changes, whereas ZQ will ask for confirmation before saving.
C. The command ZZ will save changes and exit, whereas ZQ will exit the editor without saving changes.
D. The command ZZ will exit the editor without saving changes, whereas ZQ will save changes and exit.
Answer: C Question: 7
You have logged in as root and have invoked the mount command without any options to mount
the device /dev/hda8 mount /dev/hda8. What does mount do in this context? (Choose two.)
Page 2 of 64
TK
Exam Name: Oracle Enterprise Linux: Fundamentals
Exam Type Oracle
Exam Code: 1Z0-402 Total Questions: 224
A. It checks the /etc/mtab for the required options to mount the device.
B. It checks the /etc/fstab for the required options and the mount point to mount the device.
C. It checks the /etc/inittab for the required options and the mount point to mount the device.
D. It reports an error message “mount point doesn’t exist” if the entry for /dev/hda8 doesn’t exist
in the /etc/fstab file.
Answer: B, D Question: 8
Which command would you use to save the name of all the users in your system in alphabetical order to a newfile file after removing the duplicate entries?
A. cut -f1 -d: /etc/passwd | sort | uniq | > newfile
B. cut -f1 -d: /etc/passwd | sort -d | uniq > newfile
C. cut -f1 -d: /etc/passwd | sort -a | uniq | newfile
D. cut -f1 -d: < /etc/passwd | sort | uniq | less < newfile
Answer: B Question: 9
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.
Answer: A, B, C, D Question: 10
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?
A. egrep "^[[:alnum:]]{4,}$" file1.txt | wc -l B. egrep "^[[:alpha:]]{4,}$" file1.txt | wc -l C. egrep "^[[:alpha:]]{4,}$" file1.txt | wc -w D. egrep "^[[:alnum:]]{4,}$" file1.txt | wc -c
Answer: A Question: 11
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
A. 1-c, 2-b, 3-a, 4-d B. 1-b, 2-d, 3-c, 4-a C. 1-c, 2-a, 3-d, 4-b D. 1-c, 2-a, 3-b, 4-d E. 1-d, 2-a, 3-c, 4-b
Page 3 of 64
TK
Exam Name: Oracle Enterprise Linux: Fundamentals
Exam Type Oracle
Exam Code: 1Z0-402 Total Questions: 224
F. 1-d, 2-c, 3, b, 4-a
Answer: C Question: 12
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
A. 1-c, 2-a, 3-b B. 1-b, 2-c, 3-a C. 1-a, 2-c, 3-b D. 1-c, 2-b, 3-a
Answer: B Question: 13
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/
A. chmod o+t /tools
B. chmod u+s /tools
C. chown -R 0.0 /tools
D. chown -R nobody.nobody /tools
Answer: C Question: 14
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
Answer: C, F Question: 15
You want to access data relevant to some running processes in the system. Which directory contains the system information describing the system and processes (for example, PID files)
since the system was booted?
A. /sys B. /srv C. /proc
D. /var/run
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Exam Number/Code:1z0-402
Exam Name: Oracle Enterprise Linux: Fundamentals
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Question: 1
You located a file created in /home successfully by using the slocate command. You found that
the slocate command could locate that file even after deletion. What could be the possible
solution to stop listing deleted files? (Choose all that apply.)
A. Run updatedb to update the database.
B. Run slocate -u to update the database.
C. Use the locate command instead of slocate.
D. Delete the /var/lib/slocate/slocate.db file because it buffers all search results.
E. Reboot the system so that it will update the kernel memory because the kernel stores all
results in the memory.
Answer: A, B
Question: 2
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?
A. set rsize=8192 and wsize=8192.
B. set rsize=32768 and wsize=32768.
C. set wsize=8192 and keep the read packet size at the default.
D. set rsize=8192 and keep the write packet size at the default.
E. set rsize=32768 and keep the write packet size at the default.
F. set wsize=32768 and keep the read packet size at the default.
Answer: A
Question: 3
Two users, bob on station1 and smith on station2, generated a public/private key pair using sshkeygen
to enable password-less secure shell login between them. What would be their next step
to accomplish the task?
A. Copy the private key of bob to station2:~smith and vice versa.
B. Copy the key pair of bob to station2:~smith/.ssh as public and private keys.
C. Copy the private key of bob to station2:~smith/.ssh/authorized_keys and vice versa.
D. Copy the public key of bob to station1:~smith/.ssh/authorized_keys and vice versa.
E. Copy the public key of bob to station2:~smith/.ssh/authorized_keys and vice versa.
Answer: E
Question: 4
Exhibit:
As a Linux administrator, you have to let the users smith and scott manage files and directories in
the /software directory on their own, with full permissions between each other’s files. What are the
most essential steps needed to grant them the required privileges? (Choose all that apply.)
A. Add SUID on /software.
B. Add 777 permissions on /software.
C. Add u=— permissions on /software.
D. Add scott as a member of the apps group.
E. Add rwx permissions for the apps group on /software.
Answer: D, E
Question: 5
Exhibit:
A normal user bob logs in from server200 to server1 through telnet and runs the xclock command
but fails with an error message as shown in the Exhibit. What could be the possible reason for the
error?
A. This is because gdm is not started on the machine.
B. This is because of the temporary failure in name resolution.
C. This is because the default X access controls do not permit remote connections.
D. This is because the graphical display manager is not configured to allow TCP connections.
Answer: D
Question: 6
What is the effect of issuing ZZ and ZQ in the vi editor command mode?
A. The command ZZ will zoom in the vi editor command mode and ZQ will zoom out the view.
B. The command ZZ will thrash all changes, whereas ZQ will ask for confirmation before saving.
C. The command ZZ will save changes and exit, whereas ZQ will exit the editor without saving
changes.
D. The command ZZ will exit the editor without saving changes, whereas ZQ will save changes
and exit.
Answer: C
Question: 7
You have logged in as root and have invoked the mount command without any options to mount
the device /dev/hda8 mount /dev/hda8. What does mount do in this context? (Choose two.)
A. It checks the /etc/mtab for the required options to mount the device.
B. It checks the /etc/fstab for the required options and the mount point to mount the device.
C. It checks the /etc/inittab for the required options and the mount point to mount the device.
D. It reports an error message “mount point doesn’t exist” if the entry for /dev/hda8 doesn’t exist
in the /etc/fstab file.
Answer: B, D
Question: 8
Which command would you use to save the name of all the users in your system in alphabetical
order to a newfile file after removing the duplicate entries?
A. cut -f1 -d: /etc/passwd | sort | uniq | > newfile
B. cut -f1 -d: /etc/passwd | sort -d | uniq > newfile
C. cut -f1 -d: /etc/passwd | sort -a | uniq | newfile
D. cut -f1 -d: < /etc/passwd | sort | uniq | less < newfile
Answer: B
Question: 9
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.
Answer: A, B, C, D
Question: 10
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?
A. egrep "^[[:alnum:]]{4,}$" file1.txt | wc -l
B. egrep "^[[:alpha:]]{4,}$" file1.txt | wc -l
C. egrep "^[[:alpha:]]{4,}$" file1.txt | wc -w
D. egrep "^[[:alnum:]]{4,}$" file1.txt | wc -c
Answer: A
Question: 11
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
A. 1-c, 2-b, 3-a, 4-d
B. 1-b, 2-d, 3-c, 4-a
C. 1-c, 2-a, 3-d, 4-b
D. 1-c, 2-a, 3-b, 4-d
E. 1-d, 2-a, 3-c, 4-b
F. 1-d, 2-c, 3, b, 4-a
Answer: C
Question: 12
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
A. 1-c, 2-a, 3-b
B. 1-b, 2-c, 3-a
C. 1-a, 2-c, 3-b
D. 1-c, 2-b, 3-a
Answer: B
Question: 13
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/
A. chmod o+t /tools
B. chmod u+s /tools
C. chown -R 0.0 /tools
D. chown -R nobody.nobody /tools
Answer: C
Question: 14
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
Answer: C, F
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