LX0-104 Online Practice Questions and Answers

What word is missing from the following SQL statement?

__________ count(*) from tablename;

(Please specify the missing word using lower-case letters only.)

A. select

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 when a X11 user logs in to the system console.

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"

Which of the following details can be found in an entry of a user specific crontab? (Choose two correct answers.)

A. The verbal description of the job.

B. The syslog facility to where the output of the job should be sent.

C. The time when the cron job should run.

D. The command that should be started by the cron job.

E. The name of the user which should run the job.

Which of the following is true about IPv6?

A. With IPv6, the TCP port numbers of most services have changed.

B. IPv6 no longer supports broadcast addresses.

C. IPv4 addresses can be used without any change with IPv6.

D. IPv6 no longer supports multicast addresses.

E. For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.

What of the following can be done by the command ifconfig? (Choose TWO correct answers.)

A. Set a network interface active or inactive.

B. Specify the kernel module to be used with a network interface.

C. Allow regular users to change the network configuration of a network interface.

D. Change the netmask used on a network interface.

E. Specify which network services are available on a network interface.

Which of the following commands can be used to associate open TCP ports with the processes that opened the ports?

A. ptrace

B. strace

C. debug

D. nessus

E. lsof

The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)

A. /etc/nologin

Which directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)

A. /etc/xinetd.d/ -or- /etc/xinetd.d

Which of the following resources can be directly limited for a given user using ulimit? (Choose three correct answers.)

A. Maximum seconds of CPU time spent.

B. Maximum number of open file descriptors.

C. Maximum number of processes available.

D. Maximum number of concurrent login sessions.

E. Maximum seconds of login duration per session.