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New LPI 102-400 Exam Dumps Collection (Question 7 - Question 16)
Question No: 7
How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?
A. unset -v FOOBAR;./myscript
B. set -a FOOBAR="";./myscript
C. env -u FOOBAR./myscript
D. env -i FOOBAR./myscript
Answer: C
Question No: 8
CORRECT TEXTWhat word is missing from the following SQL statement?
count(*) from tablename;
(Please specify the missing word using lower-case letters only.)
Answer: select
Question No: 9
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.
Answer: B
Question No: 10
Which command can be used to delete a group from a Linux system?
A. groupdel
B. groupmod
C. groups
D. groupedit
Answer: A
Question No: 11
What is true regarding the file ~/.forward?
A. As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.
B. After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.
C. Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.
D. When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.
Answer: D
Question No: 12
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
A. core
B. edquota
C. ulimit
D. quota
Answer: C
Question No: 13
CORRECT TEXTWhich 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.)
Answer: /etc/xinetd.d/, /etc/xinetd.d
Question No: 14
Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)
A. The user issuing the command must be in the group script.
B. The script file must be found in the $PATH.
C. The script file must have the executable permission bit set.
D. The script must begin with a shebang-line (#!) that points to the correct interpreter.
E. The file system on which the script resides must be mounted with the option scripts.
Answer: B,C,D
Question No: 15
Which file inside the CUPS configuration directory contains the definition of the printers?
A. cups-devices.conf
B. snmp.conf
C. printcap.conf
D. printers.conf
E. cupsd.conf
Answer: D
Topic 5, Networking Fundamentals
75.On a regular users workstation the route command takes a long time before printing out the routing table. Which of the following errors does that indicate?
A. The local routing information may be corrupted and must be re-validated using a routing protocol.
B. One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.
C. There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.
D. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.
Question No: 16
Which of the following commands can remove a user from a group?
A. grouprm
B. groupmod
C. passwd
D. usergroups
E. usermod
Answer: E
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