What is the purpose of a screen reader?

• A.It displays lines and markers to help people use speed reading techniques.
• B.It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
• C.It manages and displays files that contain e-books.
• D.It reads text displayed on the screen to blind or visually impaired people.

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Which file contains the date of the last change of a user's password?

• A./var/log/shadow
• B./etc/shadow
• C./etc/passwd
• D./etc/pwdlog
• E./etc/gshadow

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Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)

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Given the following routing table:

How would an outgoing packet to the destination 192.168.2.150 be handled?

• A.It would be directly transmitted on the device wlan0.
• B.It would be passed to the router 192.168.1.1 on eth0.
• C.It would be passed to the default router 255.255.255.0 on eth0.
• D.It would be passed to the default router 192.168.178.1 on wlan0.
• E.It would be directly transmitted on the device eth0.

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Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?

• A.export LC_MESSAGES="pt"
• B.export MESSAGE="pt"
• C.export LANGUAGE="pt"
• D.export UI_MESSAGES="pt"
• E.export ALL_MESSAGES="pt"

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