LX0-104 試験問題を無料オンラインアクセス

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

• A.SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;
• B.SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;
• C.SELECT COUNT(*) FROM orders ORDER BY order_type;
• D.SELECT AUTO_COUNT FROM orders COUNT order_type;
• E.COUNT(SELECT order_type FROM orders);

What is the purpose of the nsswitch.conf file?

• A.It is used to configure network protocol port numbers such as for HTTP or SMTP.
• B.It is used to configure which network services will be turned on during the next system boot.
• C.It is used to configure where the C library looks for system information such as host names and user passwords.
• D.It is used to configure LDAP authentication services for the local system.

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Which command is used to manually assign an IP address to a network interface? (Specify only the command without any path or parameters.)

On a machine running several X servers, how are the different instances of the X11 server identified?

• A.By a device name like/dev/X11/xservers/1.
• B.By a display name like: 1.
• C.By a unique IPv6 address from thefe80: : /64subnet.
• D.By a fixed UUID that is defined in the X11 configuration file.

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The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)