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As mentioned earlier, 010-160 is an entry-level validation for individuals seeking to kick-start their Linux careers. Albeit no prerequisites for this exam, there are a few topics and sections that potential LPI certificate holders should get acquainted with. This exam unlike any other seeks to validate or test your knowledge of the Linux Operating System (OS) and the Command-Line. Knowledge gotten from these topics and sections will benefit you greatly as you prep yourself to take 010-160. Also, other things you need to get acquainted with before considering to sit for this test include:
The Linux Essentials Certificate Exam, version 1.6, is administered by the Linux Professional Institute (LPI), a non-profit organization that aims to promote and advance Linux and open source software. 010-160 Exam is available in multiple languages and can be taken at any Pearson VUE testing center worldwide. Upon successful completion of the exam, candidates will receive the Linux Essentials Certificate, which is a valuable credential that demonstrates their knowledge and proficiency in Linux.
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Lpi 010-160 (Linux Essentials Certificate Exam, version 1.6) Certification Exam is a vendor-neutral certification that assesses an individual's knowledge of open-source operating systems and the Linux command line. 010-160 exam is designed for individuals who are new to Linux and open source software and want to validate their foundational knowledge. Linux Essentials Certificate Exam - version 1.6 certification is ideal for students, professionals, and hobbyists alike who want to demonstrate their proficiency in Linux.
NEW QUESTION # 84
Which of the following examples shows the general structure of a for loop in a shell script?
Answer: A
Explanation:
Explanation
The general structure of a for loop in a shell script is as follows12:
for variable in list do commands done
The variable is the name of a loop counter or iterator that takes on the values of the items in the list. The list can be a sequence of words, numbers, filenames, or the output of a command. The commands are the body of the loop that are executed for each value of the variable. The do and done keywords mark the beginning and the end of the loop body.
The option C. for file in *.txt do echo $i done follows this structure, with the variable being file, the list being
*.txt (which matches all the files with the .txt extension in the current directory), and the command being echo
$i (which prints the value of the variable i, which is presumably set somewhere else in the script).
The other options are incorrect because:
* A. for *.txt as file => echo $file uses an invalid syntax for a for loop. The as keyword is not part of the shell script syntax, and the => symbol is not a valid operator. The correct way to write this loop would be:
for file in *.txt do echo $file done
* B. for *.txt ( echo $i ) uses an invalid syntax for a for loop. The parentheses are not part of the shell script syntax, and the loop body is missing the do and done keywords. The correct way to write this loop would be:
for i in *.txt do echo $i done
* D. for ls *.txt exec {} ; uses an invalid syntax for a for loop. The ls command is not a valid variable name, and the exec {} ; is not a valid command. This looks like a mix of a for loop and a find command.
The correct way to write this loop would be:
for file in *.txt do exec $file done
* E. foreach @{file} { echo $i } uses an invalid syntax for a for loop. The foreach keyword is not part of the shell script syntax, and the @{file} and { echo $i } are not valid expressions. This looks like a mix of a for loop and a Perl syntax. The correct way to write this loop would be:
for file in * do echo $file done
References:
* Looping Statements | Shell Script - GeeksforGeeks
* How do I write a 'for' loop in Bash? - Stack Overflow
NEW QUESTION # 85
How is a new Linux computing instance provisioned in an laaS cloud?
Answer: D
Explanation:
Explanation
In an Infrastructure as a Service (IaaS) cloud, the provider offers virtualized computing resources such as servers, storage, and network over the internet. The user can provision and manage these resources according to their needs. One of the common ways to provision a new Linux computing instance in an IaaS cloud is to use a pre-prepared image of a Linux distribution provided by the cloud hosting organization. An image is a snapshot of a virtual machine that contains the operating system and other software components. The user can choose from a variety of images that suit their requirements and launch a new instance from the image. This way, the user does not have to install and configure the Linux operating system from scratch, which saves time and effort. Some examples of cloud hosting organizations that provide pre-prepared images of popular Linux distributions are Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), and DigitalOcean. References: Linux Essentials - Topic 108: Cloud Computing and Linux Essentials - Topic 108:
Cloud Computing - Exam Objectives
NEW QUESTION # 86
A directory contains the following files:
What would be the output of the following shell script?
for file in *.txt
*.txt
Answer: C
NEW QUESTION # 87
Which of the following are typical services offered by public cloud providers? (Choose three correct answers.)
Answer: A,C,D
Explanation:
These are the three most common service models offered by public cloud providers12. They differ in the level of abstraction and control they provide to the customers.
Platform as a Service (PaaS) is a service model where the public cloud provider offers a ready-to-use platform for developing, testing, and deploying applications. The provider manages the underlying infrastructure, such as servers, storage, network, and operating system, while the customer only needs to focus on the application code and configuration. Examples of PaaS include Google App Engine, IBM Cloud Foundry, and Microsoft Azure App Service12.
Infrastructure as a Service (IaaS) is a service model where the public cloud provider offers access to fundamental compute, network, and storage resources on demand over the public Internet or through dedicated connections. The provider manages the physical hardware and virtualization layer, while the customer has full control over the configuration and management of the virtual machines, operating system, and applications. Examples of IaaS include Google Compute Engine, IBM Cloud Virtual Servers, and Microsoft Azure Virtual Machines12.
Software as a Service (SaaS) is a service model where the public cloud provider offers ready-to-use software applications that run on the provider's infrastructure and are accessible through a web browser or a mobile app. The provider manages the entire software stack, including the infrastructure, platform, and application, while the customer only needs to pay for the usage or subscription of the service. Examples of SaaS include Google Workspace, IBM Watson, and Microsoft Office 36512.
Reference:
What is Public Cloud | IBM
What Is a Public Cloud? | Google Cloud
NEW QUESTION # 88
What is true about the su command?
Answer: E
Explanation:
Explanation
The su command stands for substitute user or switch user. It allows you to run a shell or a command as another user, usually the superuser or root. To use the su command, you need to know the password of the target user.
For example, if you want to switch to the root user, you can type su - and enter the root password. This will give you a root shell, where you can execute commands with administrative privileges. To exit the root shell, you can type exit or press Ctrl-D. The su command is not the default shell of the root account, nor can it only be used by the root user. It can be used by any user who knows the password of another user. The su command does not change the name of the main administrator account, which is always root on Linux systems. The su command also does not lock the root account in specific time frames, although there are other ways to do that, such as using the pam_time module. References:
* Linux Essentials - Linux Professional Institute (LPI), section 5.1.1
* LPI Linux Essentials Study Guide: Exam 010 v1.6, 3rd Edition, chapter 9, page 219.
NEW QUESTION # 89
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