102-400 무료 덤프문제 온라인 액세스

Which of the following are syslog facilities? (Choose TWO correct answers.)

• A.advanced
• B.mail
• C.local7
• D.remote
• E.postmaster

What is the purpose of a screen reader?

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

When the command echo $ outputs 1, which of the following statements is true?

• A.It is the exit value of the command executed immediately before echo.
• B.It is the process ID of the current shell.
• C.It is the exit value of the echo command.
• D.It is the process ID of the echo command.

Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

• A.127.0.0.0/8
• B.10.0.0.0/8
• C.192.168.0.0/16
• D.169.255.0.0/16
• E.172.16.0.0/12

Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?

• A.0 0-23 * * 30 myscript
• B.30 0 * * 0 myscript
• C.30 0-23 * * 0 myscript
• D.30 * * * 6 myscript
• E.0 * * * 30 myscript