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010-150 Linux Essentials Certificate Exam, version 1.5 Question and Answers

Question # 4

What is the first character for file or directory names if they should not be displayed by commands such as ls unless specifically requested?

A.

\ (backslash)

B.

. (dot)

C.

- (minus)

D.

_ (underscore)

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Question # 5

Which of the following programs is not a graphical web browser?

A.

Konqueror

B.

Firefox

C.

Links

D.

Opera

E.

Chrome

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Question # 6

Which of the following is a requirement of the GPL license but not the BSD license?

A.

Users who modify and distribute the software under the GPL license, must make the modifications they made, available to the recipients under the same license.

B.

The GPL license forbids the removal of copyright and license notices from source code files that are distributed.

C.

The GPL license contains a disclaimer of warranty requiring users not to hold the software authors liable for any damages.

D.

The GPL license requires that any legal disputes be settled with the mediation of the Free Software Foundation.

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Question # 7

What is the output of the following command?

tail -n 20 test.txt

A.

The first 20 lines of test.txt.

B.

The last 20 lines of test.txt omitting the blank lines.

C.

The last 20 lines of test.txt with line numbers.

D.

The last 20 lines of test.txt including blank lines.

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Question # 8

What is the output of the following command?

for token in a b c; do

echo -n ${token};

done

A.

anbncn

B.

abc

C.

$token$token$token

D.

{a}{b}{c}

E.

a b c

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Question # 9

How is it possible to determine if an executable file is a shell script which is read by Bash?

A.

The r bit is set.

B.

The file must end with .sh.

C.

The first line starts with #!/bin/bash.

D.

/bin/bash has to be run in debug mode.

E.

Scripts are never executable files.

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Question # 10

Which of the following directories is often used to store log files?

A.

/home

B.

/var

C.

/temp

D.

/dev

E.

/usr

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Question # 11

Which criteria are useful when deciding which operating system to use? (Choose THREE correct answers.)

A.

License costs.

B.

Ideological preferences of the system administrator.

C.

Linux can do everything, there is no need for further evaluation.

D.

Availability of mandatory applications and tools.

E.

Skills of the administrators and staff.

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Question # 12

Which of the following hardware devices links a number of computers together to form an Ethernet LAN?

A.

Server

B.

Switch

C.

Connector

D.

Access point

E.

Terminal

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