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About Linux Professional Institute (LPI)
The Linux Professional Institute is an internationally recognized non-profit organization, committed to creating a global standard for verifying Linux skills. Over the years, this platform has supported over 200,000 open source specialists across the globe, delivering the largest vendor-neutral Linux certificates and training options that are focused on creating new opportunities across various industries.
Lpi 102-500 Certification Exam is designed for individuals who are interested in pursuing a career in Linux administration. LPIC-1 Exam 102, Part 2 of 2, version 5.0 certification is ideal for system administrators, network administrators, and other IT professionals who work with Linux systems. LPIC-1 Exam 102, Part 2 of 2, version 5.0 certification validates the candidate's skills and knowledge, making them more marketable to potential employers.
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Getting the LPIC-1 Exam 102, Part 2 of 2, version 5.0 (102-500) certification is the way to go if you're planning to get into Lpi or want to start earning money quickly. Success in the LPIC-1 Exam 102, Part 2 of 2, version 5.0 (102-500) exam of this credential plays an essential role in the validation of your skills so that you can crack an interview or get a promotion in an Lpi company. Many people are attempting the Lpi 102-500 test nowadays because its importance is growing rapidly.
Lpi LPIC-1 Exam 102, Part 2 of 2, version 5.0 Sample Questions (Q178-Q183):
NEW QUESTION # 178
How does the ping command work by default?
Answer: D
NEW QUESTION # 179
When attempting to send a file to another user securely with GPG, which of the following actions must be done?
Answer: B
NEW QUESTION # 180
With IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)
Answer:
Explanation:
64
NEW QUESTION # 181
What the echo $$ command?
Answer: D
Explanation:
The echo command is a built-in Linux feature that prints out arguments as the standard output1. The echo command can take various options and arguments to display different types of information.One of the arguments that can be used with the echo command is $$, 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,ortofindoutthePIDofthecurrentshellfordebuggingormonitori 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:
12345
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
References:
* 2
NEW QUESTION # 182
What is the main difference between the batch and at commands?
Answer: A
Explanation:
The batch command is similar to the at command, except that it executes commands when the system load levels permit; in other words, when the load average drops below 1.5, or the value specified in the invocation of atd1. The at command allows us to schedule jobs using any of two commands: at and batch. While at runs commands at our specified time, batch runs commands when our system's load average is below 0.82. Both commands read commands from standard input or a specified file, and both commands send the output of the commands to the user by mail1. Therefore, the main difference between them is the time of execution: at runs at a fixed time, while batch runs when the system is idle. References: 1: Linux At, Batch, Atq, Atrm Command Help and Examples - Computer Hope 2: The "at" Command in Linux | Baeldung on Linux
NEW QUESTION # 183
......
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