9084121
Descripción
Test por Roberto Leon, actualizado hace más de 1 año
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Creado por Roberto Leon
hace casi 7 años
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Pregunta 1
Pregunta
1. One of the jobs of the kernel is to:
Respuesta
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• Manage the system’s resources
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• Turn source code into machine code
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• Load the operating system after the computer is turned on
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• Transfer mail from one machine to another
Pregunta 2
Pregunta
2. Unix is:
Respuesta
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• An operating system
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• A type of hardware
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• A trademark
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• A distribution of Linux
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• A text editor
Pregunta 3
Pregunta
3. Linux is written in:
Respuesta
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• C
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• .NET
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• C++
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• Java
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• Perl
Pregunta 4
Pregunta
4. Source code refers to:
Respuesta
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• The version of a program that the computer runs on the CPU
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• The license that dictates how you may use and share the software
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• The interface that software uses to talk to the kernel
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• A human readable version of computer software
Pregunta 5
Pregunta
5. What is the standard option to provide a command line program to view its documentation?
Respuesta
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• –info
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• –doc
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• –help
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• -h
Pregunta 6
Pregunta
6. The command man -k is the same as the command apropos.
True or False?
Respuesta
- True
- False
Pregunta 7
Pregunta
7. The whatis command is the same as man -w.
Respuesta
- True
- False
Pregunta 8
Pregunta
8. The directory where additional documentation for software packages most likely can be found is:
Respuesta
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• /var/lib/doc
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• /usr/software/doc
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• /usr/share/doc
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• /var/share/doc
Pregunta 9
Pregunta
9. Hidden files are files that begin with what character?
Respuesta
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• A plus (+)
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• A dash (-)
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• A period (.)
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• An asterisk (*)
Pregunta 10
Pregunta
10. What option for the ls command will display all files, including hidden files?
Respuesta
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• -w
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• -H
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• -L
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• -a
Pregunta 11
Pregunta
11. The top-level directory on a Linux system is represented as:
Respuesta
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• /
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• /root
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• /home
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• C:
Pregunta 12
Pregunta
12. Is the following path absolute or relative?
/etc/ppp
Respuesta
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• Relative
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• Absolute
Pregunta 13
Pregunta
13. Is the following path absolute or relative?
sysadmin/Documents
Respuesta
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• Relative
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• Absolute
Pregunta 14
Pregunta
14. Compression on a file works by:
Respuesta
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• Removing the high order bit from each byte
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• Consolidating multiple files into one
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• Removing redundant information
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• Storing most of the data on removable media and just leaving a pointer
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• Eliminating gaps within the file
Pregunta 15
Pregunta
15. In general, for which of the following would you want to use lossless compression?
Respuesta
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• An mp3 audio file
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• A movie
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• A log file
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• A JPEG image
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• An encrypted email
Pregunta 16
Pregunta
16. Lossy compression:
(choose three)
Respuesta
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• Is often used with documents
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• Decompresses to an identical version as the original
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• Sacrifices some quality
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• Usually results better compression than lossless
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• Is often used with images
Pregunta 17
Pregunta
17. You type gzip myfile.tar. What happens?
(choose two)
Respuesta
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• myfile.tar.gz holds a compressed version of myfile.tar
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• An error; you forgot to pass the name of the output file
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• An error; you forgot to specify the file with –f
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• myfile.tar is unarchived into the current directory
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• myfile.tar is removed
Pregunta 18
Pregunta
18. Error messages generated by commands are sent where by default?
Respuesta
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• STDIN
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• Log files
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• STDERR
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• STDOUT
Pregunta 19
Pregunta
19. A successful command will print output to STDOUT.
True or False?
Respuesta
- True
- False
Pregunta 20
Pregunta
20. Which of the following commands will direct error messages to the file, error.log?
(choose one)
Respuesta
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• ls /root > error.log
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• ls /root >> error.log
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• ls /root 2> error.log
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• ls /root $> error.log
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