Lpi LPIC-1 Exam 102, Part 2 of 2, version 5.0 (102-500 Deutsch Version) - 102-500 Deutsch Exam Practice Test
Mit welchem der folgenden Befehle werden alle Druckaufträge in der Warteschlange aufgelistet?
Correct Answer: B
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Welche der folgenden Felder sind sowohl im Standardformat der globalen Datei / etc / crontab als auch in benutzerspezifischen crontab-Dateien verfügbar? (Wähle zwei.)
Correct Answer: B,C
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Was hat es mit dem folgenden Befehl auf sich?
Nmcli-Gerät WLAN verbinden WIFIo1
Nmcli-Gerät WLAN verbinden WIFIo1
Correct Answer: A
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Mit welchem Befehl wird dem System eine leere Gruppe hinzugefügt? (Geben Sie NUR den Befehl ohne Pfad oder Parameter an.)
Correct Answer:
groupaddusrsbingroupadd
Explanation:
The groupadd command is used to add an empty group to the system. It takes the name of the group as an argument and creates an entry for it in the /etc/group file. The groupadd command also assigns a unique group ID (GID) to the new group. The groupadd command can take various options to specify the GID, the password, and other attributes of the new group. For example, groupadd -g 1000 mygroup will create a new group named mygroup with a GID of 1000. Reference:
Linux Groups - javatpoint
groupadd(8) - Linux manual page
How to Add and Delete User Groups on Linux
Explanation:
The groupadd command is used to add an empty group to the system. It takes the name of the group as an argument and creates an entry for it in the /etc/group file. The groupadd command also assigns a unique group ID (GID) to the new group. The groupadd command can take various options to specify the GID, the password, and other attributes of the new group. For example, groupadd -g 1000 mygroup will create a new group named mygroup with a GID of 1000. Reference:
Linux Groups - javatpoint
groupadd(8) - Linux manual page
How to Add and Delete User Groups on Linux
Was ist wahr in Bezug auf eine Standardroute?
Correct Answer: A
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Welches Schlüsselwort fehlt in diesem Codebeispiel eines Shell-Skripts?
____ i in *.txt; do
echo $i
done
____ i in *.txt; do
echo $i
done
Correct Answer: A
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Was ist der Zweck von TCP-Wrapper?
Correct Answer: C
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Welcher Parameter des SSH-Befehls gibt den Speicherort des privaten Schlüssels an, der für Anmeldeversuche verwendet wird? (Geben Sie NUR den Optionsnamen ohne Werte oder Parameter an.)
Correct Answer:
sshkeygen
Welche der folgenden sind Syslog-Funktionen? (Wählen Sie ZWEI richtige Antworten.)
Correct Answer: C
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Was ist falsch an der Anweisung, die mit # beginnt und in der ersten Zeile eines Skripts steht? (Wählen Sie ZWEI richtige Antworten.)
Correct Answer: A,E
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Nach dem Konfigurieren des Druckvorgangs auf einem Linux-Server sendet der Administrator eine Testdatei an einen der Drucker und der Druck schlägt fehl. Mit welchem Befehl kann der Status der Druckerwarteschlange angezeigt werden? (Geben Sie NUR den Befehl ohne Pfad oder Parameter an.)
Correct Answer:
lpqusrbinlpqlpstatusrbinlpstat
Explanation:
The command lpq can be used to display the status of the printer's queue on a Linux server. The lpq command is part of the cups-bsd package, which provides the Berkeley commands for CUPS (Common UNIX Printing System), the standard printing system for Linux. The lpq command shows the status of a specified printer or the default printer if none is specified. It also lists the jobs that are queued for printing, along with their job IDs, owners, sizes, and names12. For example, to display the status of the printer lp1, we can use the following command:
$ lpq -P lp1
lp1 is ready
Rank Owner Job File(s) Total Size
active user1 123 test.txt 1024 bytes
1st user2 124 report.pdf 2048 bytes
The output shows that the printer lp1 is ready, and that there are two jobs in the queue, one of which is active and the other is waiting. The output also shows the owners, job IDs, file names, and sizes of the jobs. To display the status of all printers, we can use the -a option:
$ lpq -a
lp1 is ready
Rank Owner Job File(s) Total Size
active user1 123 test.txt 1024 bytes
1st user2 124 report.pdf 2048 bytes
lp2 is ready
no entries
The output shows that there are two printers, lp1 and lp2, and that lp2 has no entries in the queue. To display more information about the jobs, such as the priority, submission time, and status, we can use the -l option:
$ lpq -l -P lp1
lp1 is ready
Rank Owner Job File(s) Total Size
active user1 123 test.txt 1024 bytes
priority 50 Apr 27 10:00 processing since Apr 27 10:01
1st user2 124 report.pdf 2048 bytes
priority 50 Apr 27 10:05 waiting for lp1
The output shows that the jobs have the same priority, and that the first job is processing while the second job is waiting. The lpq command can be useful for troubleshooting printing problems, such as checking if the printer is ready, if there are any stuck or failed jobs, or if there are any conflicts or delays in the queue34. Reference: 1: lpq(1) - Linux manual page 2: How to Use the lp Command in Linux to Print Files From Terminal - Make Tech Easier 3: Linux sysadmin printing reference guide - PenguinTutor 4: How to manage print jobs on Linux - Network World
Explanation:
The command lpq can be used to display the status of the printer's queue on a Linux server. The lpq command is part of the cups-bsd package, which provides the Berkeley commands for CUPS (Common UNIX Printing System), the standard printing system for Linux. The lpq command shows the status of a specified printer or the default printer if none is specified. It also lists the jobs that are queued for printing, along with their job IDs, owners, sizes, and names12. For example, to display the status of the printer lp1, we can use the following command:
$ lpq -P lp1
lp1 is ready
Rank Owner Job File(s) Total Size
active user1 123 test.txt 1024 bytes
1st user2 124 report.pdf 2048 bytes
The output shows that the printer lp1 is ready, and that there are two jobs in the queue, one of which is active and the other is waiting. The output also shows the owners, job IDs, file names, and sizes of the jobs. To display the status of all printers, we can use the -a option:
$ lpq -a
lp1 is ready
Rank Owner Job File(s) Total Size
active user1 123 test.txt 1024 bytes
1st user2 124 report.pdf 2048 bytes
lp2 is ready
no entries
The output shows that there are two printers, lp1 and lp2, and that lp2 has no entries in the queue. To display more information about the jobs, such as the priority, submission time, and status, we can use the -l option:
$ lpq -l -P lp1
lp1 is ready
Rank Owner Job File(s) Total Size
active user1 123 test.txt 1024 bytes
priority 50 Apr 27 10:00 processing since Apr 27 10:01
1st user2 124 report.pdf 2048 bytes
priority 50 Apr 27 10:05 waiting for lp1
The output shows that the jobs have the same priority, and that the first job is processing while the second job is waiting. The lpq command can be useful for troubleshooting printing problems, such as checking if the printer is ready, if there are any stuck or failed jobs, or if there are any conflicts or delays in the queue34. Reference: 1: lpq(1) - Linux manual page 2: How to Use the lp Command in Linux to Print Files From Terminal - Make Tech Easier 3: Linux sysadmin printing reference guide - PenguinTutor 4: How to manage print jobs on Linux - Network World