Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope?

CORRECT TEXT - (Topic 3) Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope? (Specify the variable name only.)View AnswerAnswer: TZ

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Which of the following configuration files should be modified to set default shell variables for all users?

Which of the following configuration files should be modified to set default shell variables for all users?A . /etc/bashrcB . /etc/profileC . ~/.bash_profileD . /etc/.bashrcView AnswerAnswer: B

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Which of the following lines is an example of a correct setting for the DISPLAY environment variable?

Which of the following lines is an example of a correct setting for the DISPLAY environment variable?A . hostname:displaynameB . hostname:displaynumberC . hostname/displaynameD . hostname/displaynumberE . hostnameView AnswerAnswer: B

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Which of the following SQL statements will select the fields name and address from the contacts table?

Which of the following SQL statements will select the fields name and address from the contacts table?A . SELECT (name, address) FROM contacts;B . SELECT (name address) FROM contacts;C . SELECT name, address FROM contacts;D . SELECT name address FROM contacts;View AnswerAnswer: C

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Which of the following words is used to restrict the records that are returned from a SELECT query based on a supplied criteria for the values in the records?

Which of the following words is used to restrict the records that are returned from a SELECT query based on a supplied criteria for the values in the records?A . LIMITB . FROMC . WHERED . IFView AnswerAnswer: C

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Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?A . export LANGUAGE="pt"B . export MESSAGE="pt"C . export UI_MESSAGES="pt"D . export LC_MESSAGES="pt"E . export ALL_MESSAGES="pt"View AnswerAnswer: D

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Which of the following commands can be used to convert text files in one character encoding to another character encoding?

Which of the following commands can be used to convert text files in one character encoding to another character encoding?A . catB . convertC . ddD . iconvE . utf2utfView AnswerAnswer: D

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Why is the xhost program considered dangerous to use?

Why is the xhost program considered dangerous to use?A . It makes it difficult to uniquely identify a computer on the network.B . It allows easy access to your X server by other users.C . It logs sensitive information to syslog.D . It makes your computer share network resources without...

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How is a display manager started?

How is a display manager started?A . It is started by a user using the command startx.B . It is started like any other system service by the init system.C . It is started by inetd when a remote hosts connects to the X11 port.D . It is started automatically...

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What is the purpose of the iconv command?

What is the purpose of the iconv command?A . It converts bitmap images from one format to another such as PNG to JPEC . It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).D . It displays additional meta information from icon files...

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