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Valid 102-500 Torrent, 102-500 Valid Exam Question

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Networking Fundamentals

Fundamentals of the Internet protocols – The candidates should have a good understanding of the TCP/IP network concepts and fundamentals;
Persistent network configuration – You should be able to work with the network configuration of a Linux host;
Basic network troubleshooting – The students need to have good knowledge of how to troubleshoot networking issues on client hosts;
Configure client side DNS – The examinees have to know the ways of how to correctly configure a DNS server on a client host.

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Lpi 102-500 Valid Exam Question - Pdf 102-500 Format

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Lpi LPIC-1 Exam 102, Part 2 of 2, version 5.0 Sample Questions (Q196-Q201):

NEW QUESTION # 196
What is true regarding the file ~/.forward?

A. When configured correctly ~/.forward can be used to forward each incoming mail to one or more other recipients.
B. Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.
C. As ~/.forward is owned by the MTA and not writable by the user, it must be edited using the editaliasescommand.
D. By default, only ~/.forward files of users in the group mailqare processed while all other user's ~/.forwardfiles are ignored.
E. After editing ~/.forward the user must run newaliasesto make the mail server aware of the changes.

Answer: A

NEW QUESTION # 197
Which of the following steps prevents a user from obtaining an interactive login session?

A. Remove the user from the group staff.
B. Run the command chsh -s /bin/false with the user name.
C. Add the user to /etc/noaccess.
D. Create a .nologin file in the user's home directory.
E. Set the UID for the user to 0.

Answer: B

NEW QUESTION # 198
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)

Answer:

Explanation:
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

NEW QUESTION # 199
What the echo $$ command?

A. The process ID of the last command executed.
B. The process ID for the following command.
C. The process ID of the echo command.
D. The process ID of the current shell.
E. The process ID of the last command which has been placed in the background.

Answer: D

Explanation:
The echo command is a built-in Linux feature that prints out arguments as the standard output1. The echo command can take various options and arguments to display different types of information. One of the arguments that can be used with the echo command is $$, which represents the process ID (PID) of the current shell2. A process ID is a unique number that identifies a running process in the system. The current shell is the shell that is executing the echo command. For example, if you are using the Bash shell and run the following command:
echo $$
The output will show the PID of the Bash shell, such as:
1234
The echo
commandcanbeusefultocheckwhichshellyouareusing,ortofindoutthePIDofthecurrentshellfordebuggingormonitoringpurposes.Theecho command is different from the following commands:
echo $!: This command displays the PID of the last command executed in the background2. A background command is a command that runs without blocking the shell, allowing you to continue using the shell while the command executes. For example, if you run the following command:
sleep 10 &
This command will put the sleep command, which pauses the execution for 10 seconds, in the background. The output will show the PID of the sleep command, such as:
1 2345
If you then run the following command:
echo $!
The output will show the same PID of the sleep command, such as:
2345
echo $?: This command displays the exit status of the last command executed2. The exit status is a number that indicates whether the command was successful or not. A zero exit status means the command was successful, while a non-zero exit status means the command failed or encountered an error. For example, if you run the following command:
ls /home
This command will list the contents of the /home directory. If the command succeeds, the output will show the files and directories in the /home directory, such as:
alice bob charlie
If you then run the following command:
echo $?
The output will show the exit status of the ls command, which is zero, meaning the command was successful:
0
echo $0: This command displays the name of the current shell or script2. The name of the current shell is the name of the executable file that runs the shell, such as bash, zsh, ksh, etc. The name of the current script is the name of the file that contains the script, such as script.sh, script.py, etc. For example, if you are using the Bash shell and run the following command:
echo $0
The output will show the name of the current shell, such as:
bash
Reference:
2

NEW QUESTION # 200
Which of the following commands will help identify a broken router between the local and the remote machine?

A. ps
B. traceroute
C. ifconfig
D. netstat
E. nslookup

Answer: B

NEW QUESTION # 201
......

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