Examen ISO 1º Ev
- 1.One of the jobs of the kernel is to:
- A.
Manage the system's resources.
- B.
Turn source code into machine code.
- C.
Load the operating system after the computer is turned on.
- D.
Transfer mail from one machine to another.
- 2.Linux is written in:
- A.
C
- B.
.NET
- C.
C++
- D.
Java
- E.
Perl
- 3.Unix is: (choose two)
- A.
An operating system.
- B.
A type of hardware.
- C.
A trademark.
- D.
A distribution of Linux.
- E.
A text editor.
- 4.Source code refers to:
- A.
The version of program that the computer runs on the CPU.
- B.
The license that dictates how you may use and share the software.
- C.
The interface that software uses to talk to the kernel.
- D.
A human readable version of computer software.
- 5.What is the standar option to provide a command line program to view its documentation?
- A.
-info
- B.
-doc
- C.
-help
- D.
-h
- 6.The command man -k is the same as the command apropos.True or False?
- A.
True
- B.
False
- 7.The directory where additional documentation for software packages most likely can be found is
- A.
/var/lib/doc
- B.
/usr/software/doc
- C.
/usr/share/doc
- D.
/var/share/doc
- 8.The whatis command is the same as man -w.
- A.
True
- B.
False
- 9.Hidden files are files that begin with what character?
- A.
A plus (+)
- B.
A dash (-)
- C.
A period (.)
- D.
An asterisk (*)
- 10.What option for the ls command will display all files, including hidden files?
- A.
-w
- B.
-H
- C.
-L
- D.
-a
- 11.The top-level directory on a Linux system is represendted as:
- A.
/
- B.
/root
- C.
/home
- D.
C:
- 12.Is the folloswing path absolute or relative?/etc/ppp
- A.
Relative
- B.
Absolute
- 13.Is the following path absolute or relative?sysadmin/Documents
- A.
Relative
- B.
Absolute
- 14.Compression on a file works by:
- A.
Removing the high order bit from each byte.
- B.
Consolidating multiples files into one.
- C.
Removing redundant information.
- D.
Storing most of data on removable media and just leaving a pointer.
- E.
Eliminating gaps within the file.
- 15.In general, for which of the following would you want to use lossless compresion?
- A.
An mp3 audio file.
- B.
A movie.
- C.
A log file.
- D.
A JPEG image.
- E.
An encrypted email.
- 16.Lossy compression:(choose three)
- A.
Is often used with documents.
- B.
Decompresses to an identical version as the original.
- C.
Sacrifices some quality.
- D.
Usually results better compression than lossless.
- E.
Is often used with images.
- 17.You type gzip myfile.tar. What happens?(choose two)
- A.
Myfile.tar.gz holds a compressed version of myfile.tar
- B.
An error; you forgot to pass the name of the output file
- C.
An error; you forgot to specify the file with -f
- D.
Myfile.tar is unarchived into the current directory
- E.
Myfile.tar is removed
- 18.Error messages generated by commands are sent where by default?
- A.
STDIN
- B.
Log files
- C.
STDERR
- D.
STDOUT
- 19.A successful command will print output to STDOUT.True or False?
- A.
True
- B.
False
- 20.Which of the following commands will direct error messages to the file, error.log?(choose two)
- A.
Ls /root > error.log
- B.
Ls /root >> error.log
- C.
Ls /root 2> error.log
- D.
Ls /root $> error.log
- 21.A pipe allows you to...
- A.
...send the same input to multiple commands.
- B.
...send the output of one command to another.
- C.
...send the output of a command to a file
- D.
...type multiple commands at one prompt.
- 22.Channel 2 is:
- A.
STDERR
- B.
STDIN
- C.
STDALL
- D.
STDOUT
- 23.The echo command:
- A.
Tests a variable for duplication.
- B.
Duplicates the input stream to the output stream
- C.
Is used for variable assignment
- D.
Is used to output text to the console
- E.
Copies variables from ne to another
- 24.A file begins with #!/bin/csh. This means:
- A.
C Shell compatibility mode is enabled
- B.
Running the script will invoke /bin/csh to interpret the rest od the file
- C.
The operator should not be using /bin/csh
- D.
This is a Perl script
- E.
Nothing, this is comment
- 25.Which are appropriate editors for writing shell scripts?(choose two)
- A.
Nano
- B.
LibroOffice Writer
- C.
/bin/bash
- D.
Vi
- E.
Firefox
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