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Top 101-500 Latest Test Braindumps Free PDF | Professional Latest 101-500 Practice Materials: LPIC-1 Exam 101, Part 1 of 2, version 5.0

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The LPIC-1 certification is suitable for IT professionals who are interested in pursuing a career in Linux system administration. It is also ideal for individuals who want to validate their skills and knowledge of Linux. LPIC-1 Exam 101, Part 1 of 2, version 5.0 certification is recognized by companies and organizations worldwide, which makes it a valuable asset for IT professionals who want to enhance their career prospects.

Lpi LPIC-1 Exam 101, Part 1 of 2, version 5.0 Sample Questions (Q91-Q96):

NEW QUESTION # 91
What output will be displayed when the user fred executes the following command?
echo 'fred $USER'

• A. fred $USER
• B. fred fred
• C. 'fred $USER'
• D. fred /home/fred/
• E. 'fred fred'

Answer: A

Explanation:
Explanation
This output will be displayed when the user fred executes the following command:
echo 'fred $USER'
The echo command is a built-in Linux feature that prints out arguments as the standard output. The syntax of the echo command is:
echo [option] [string]
The option can modify the behavior of the echo command, such as enabling the interpretation of escape characters or omitting the newline after the output. The string is the text that is displayed as the output.
The single quotation marks (' ') are used to enclose the string argument and prevent any expansion or substitution of the characters inside the quotation marks. This means that any variables, commands, or special characters inside the single quotation marks are treated as literal characters, not as expressions.
The $USER variable is a shell variable that holds the username of the current user. However, since it is enclosed in single quotation marks, it is not expanded to its value, but printed as it is.
Therefore, the command echo 'fred $USER' will print the string fred $USER as the output, without any changes. The output will be the same for any user who executes the command, not just fred.
The other outputs are incorrect for the following reasons:
* A, fred fred: This output would be displayed if the $USER variable was expanded to its value, which is fred for the user fred. However, since the $USER variable is enclosed in single quotation marks, it is not expanded, but printed as it is.
* B, fred /home/fred/: This output would be displayed if the $USER variable was expanded to its value, which is fred for the user fred, and then concatenated with the string /home/ to form a path. However, since the $USER variable is enclosed in single quotation marks, it is not expanded, but printed as it is.
Also, there is no concatenation operator in the echo command, so the string /home/ would not be added to the output.
* C, 'fred $USER': This output would be displayed if the single quotation marks were also printed as part of the output. However, the single quotation marks are not part of the string argument, but only used to enclose it and prevent any expansion or substitution. They are not displayed as the output.
* E, 'fred fred': This output would be displayed if the single quotation marks were also printed as part of the output, and the $USER variable was expanded to its value, which is fred for the user fred. However, neither of these conditions are true. The single quotation marks are not part of the string argument, but only used to enclose it and prevent any expansion or substitution. They are not displayed as the output.
The $USER variable is enclosed in single quotation marks, so it is not expanded, but printed as it is.
References:
* How to use Echo Command in Linux (With Examples) - phoenixNAP
* How to Use the Echo Command on Linux - How-To Geek
* echo command in Linux with Examples - GeeksforGeeks

NEW QUESTION # 92
Select the line that best represents what permissions the /etc/passwd file should have

• A. all answers listed are correct
• B. -rw------- 1 root root 531 Apr 3 12:36 /etc/passwd
• C. -rw-r--r-- 1 root root 531 Apr 312:36 /etc/passwd
• D. all answers listed are not correct
• E. -rw-r--r-- 1 1 1 531 Apr 3 12:36 /etc/passwd

Answer: C

NEW QUESTION # 93
What is the output of the following command?
echo "Hello World" | tr -d aieou

• A. Hello World
• B. Hll Wrld
• C. eoo
• D. eoo Hll Wrld

Answer: B

Explanation:
Explanation
The tr command is used to translate or delete characters from a given input. The -d option specifies that the characters in the second argument should be deleted from the input. In this case, the second argument is aieou, which are the vowels in the English alphabet. Therefore, the tr command will delete any vowel from the input, which is Hello World. The output will be the input without any vowels, which is Hll Wrld. References:
* [LPI Exam 101 Detailed Objectives], Topic 103: GNU and Unix Commands, Objective 103.7: Perform basic file management, Weight: 4, Key Knowledge Areas: Use of tr to perform basic text transformations.
* [LPI Linux Essentials Certification All-in-One Exam Guide], Chapter 5: Working with Files, Page 165, Using the tr Command.

NEW QUESTION # 94
What information can the lspci command display about the system hardware? (Choose THREE correct answers.)

• A. Device IRQ settings
• B. System battery type
• C. Ethernet MAC address
• D. Device vendor identification
• E. PCI bus speed

Answer: A,D,E

Explanation:
Explanation
The lspci command can display information about the system hardware, such as:
* Device IRQ settings1: The lspci command can show the interrupt request (IRQ) number assigned to each device by using the -v option. The IRQ number indicates how the device communicates with the CPU.
* PCI bus speed2: The lspci command can show the speed of the PCI bus by using the -vv option. The speed is expressed in megahertz (MHz) or gigahertz (GHz) and indicates how fast the data can be transferred between the device and the bus.
* Device vendor identification3: The lspci command can show the name and identification number of the device vendor by using the -n or -nn option. The vendor identification helps to identify the manufacturer and model of the device.
References: 1: https://www.man7.org/linux/man-pages/man8/lspci.8.html 2:
https://phoenixnap.com/kb/lspci-command 3: https://en.wikipedia.org/wiki/Lspci

NEW QUESTION # 95
Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to Linux standard LF characters and store it as newlist.txt?

• A. tr -s '

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