TRUSTABLE 102-500 RELIABLE EXAM GUIDE | 102-500 100% FREE RELIABLE EXAM PRICE

Trustable 102-500 Reliable Exam Guide | 102-500 100% Free Reliable Exam Price

Trustable 102-500 Reliable Exam Guide | 102-500 100% Free Reliable Exam Price

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The LPI 102-500 (LPIC-1 Exam 102, Part 2 of 2, version 5.0) exam is one of the two exams required to earn the LPIC-1 certification. LPIC-1 Exam 102, Part 2 of 2, version 5.0 certification is designed for Linux administrators who want to demonstrate their skills in managing Linux systems. 102-500 Exam Tests the candidate's ability to perform advanced system administration tasks, including managing user accounts, configuring network settings, and troubleshooting system issues.

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Lpi 102-500 exam is the second part of the LPIC-1 certification exam. It is designed to test the candidate's knowledge and skills in Linux administration and covers advanced topics such as network configuration, system maintenance, and security. 102-500 exam is intended for individuals who have completed the LPIC-1 Exam 101 and want to obtain a more comprehensive understanding of Linux administration.

To pass the Lpi 102-500 exam, candidates need to have a thorough understanding of Linux administration concepts and hands-on experience in Linux administration. Candidates can prepare for the exam by taking online courses, reading study materials, and practicing on Linux systems. 102-500 Exam is computer-based and consists of 60 multiple-choice questions. Candidates have 90 minutes to complete the exam, and the passing score is 500 out of 800.

Lpi LPIC-1 Exam 102, Part 2 of 2, version 5.0 Sample Questions (Q161-Q166):

NEW QUESTION # 161
Which of the following commands can identify the PID od a process which opened a TCP port?

  • A. lsof
  • B. ptrace
  • C. strace
  • D. nessus
  • E. debug

Answer: A

Explanation:
The lsof command, meaning list open files, is a command-line utility in the Linux system to display information about files that are opened by processes1. The lsof command can take various options and arguments to filter and format the output. One of the options that can be used to identify the PID of a process which opened a TCP port is the -i option, which selects the listing of files whose Internet address matches the specified address. The address can be specified as a port number, a host name, or a combination of both. For example, to list the processes that are listening on TCP port 80, one can run:
lsof -i TCP:80
The output shows the command name, the PID, the user name, the file descriptor, the type, the device, the size/off, the node, and the name for each process. The name column shows the local and remote addresses and port numbers for the TCP connection. For example, the output may look like:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME httpd 1234 root 4u IPv4 12345 0t0 TCP *:80 (LISTEN) httpd 2345 www-data 4u IPv4 12345 0t0 TCP *:80 (LISTEN) httpd 3456 www-data 4u IPv4 23456 0t0 TCP 192.168.1.10:80->192.168.1.20:1234 (ESTABLISHED) This shows that the httpd command, which is the Apache web server, is listening on TCP port 80 with the PID
1234 and 2345, and has an established connection with the remote address 192.168.1.20 and port 1234 with the PID 3456. To kill the process by PID, one can use the kill command with the -SIGTERM option, which sends a termination signal to the process. For example, to kill the process with the PID 3456, one can run:
kill -SIGTERM 3456
The other options are not correct because:
* ptrace: This is not a command, but a system call that allows a process to trace and control the execution of another process. It is used by debuggers and other tools that need to monitor and manipulate the behavior of other processes2. It does not display the PID of a process which opened a TCP port.
* strace: This is a command that traces the system calls and signals of a process. It can be used to diagnose, debug, and monitor the interaction between a process and the kernel3. It does not display the PID of a process which opened a TCP port.
* debug: This is not a command, but a general term that refers to the process of finding and fixing errors
* in a program or system. There are various tools and methods that can be used for debugging, such as debuggers, loggers, profilers, etc4. It does not display the PID of a process which opened a TCP port.
* nessus: This is a command that runs the Nessus vulnerability scanner, which is a tool that scans a network or a system for security flaws and potential attacks5. It does not display the PID of a process which opened a TCP port. References:
https://www.howtogeek.com/28609/how-can-i-tell-what-is-listening-on-a-tcpip-port-in-windows/
https://bing.com/search?q=identify+PID+of+process+that+opened+a+TCP+port


NEW QUESTION # 162
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. 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.
  • B. 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.
  • C. The local routing information may be corrupted and must be re-validated using a routing protocol.
  • 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.

Answer: D


NEW QUESTION # 163
What the echo $$ command?

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

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 # 164
Which of the following statements is valid in the file /etc/nsswitch.conf?

  • A. hosts: files dns
  • B. multi on
  • C. 192.168.168.4 dns-server
  • D. include /etc/nsswitch.d/

Answer: A


NEW QUESTION # 165
How is a display manager started?

  • A. It is started like any other system service by the init system.
  • B. It is started automatically when a X11 user logs in to the system console.
  • C. It is started by inetd when a remote hosts connects to the X11 port.
  • D. It is started by a user using the command startx.

Answer: A


NEW QUESTION # 166
......

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