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| Section | Objectives |
|---|---|
| The Linux Operating System | - Package Management Basics - Processes and System Resources - Operating System Components |
| The Power of the Linux Command Line | - Basic Commands and Utilities - Working with Text Streams - Introduction to Shell and Scripting Concepts |
| Security and File Permissions | - File Permissions and Ownership - Basic Security Concepts - Users and Groups |
| The Linux Community and a Career in Open Source | - Major Open Source Applications - Open Source Software and Licensing - ICT Skills and Working in Linux - Linux Evolution and Popular Operating Systems |
| Finding Your Way on a Linux System | - File and Directory Operations - Command Line Basics - Filesystem Navigation |
Our 010-160 study guide is carefully edited and reviewed by our experts. The design of the content conforms to the examination outline and its key points. Through the practice of our 010-160 exam questions, you can grasp the intention of the examination organization accurately. And we also have the Software version of our 010-160 Learning Materials that can simulate the real exam which can help you better adapt to the real exam.
NEW QUESTION # 27
A directory contains the following three files:
texts 1.txt
texts 2.txt
texts 3.csv
Which command copies the two files ending in .txtto the /tmp/directory?
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION # 28
The current directory contains the following file:
-rw-r-r- 1 root exec 24551 Apr 2 12:36 test.sh
The file contains a valid shell script, but executing this file using ./test.sh leads to this error:
bash: ./test.sh: Permission denied
What should be done in order to successfully execute the script?
Answer: A
Explanation:
The execute bit in Linux is a permission bit that allows the user to run an executable file or enter a directory. For regular files, such as scripts or binaries, the execute bit must be set for the user to run them. For directories, the execute bit allows the user to access the files and subdirectories inside. Therefore, to successfully execute the script test.sh, the execute bit should be set in the file's permissions. This can be done by using the chmod command with the +x option, for example: chmod +x test.sh. The other options are either irrelevant or incorrect. The file's extension does not affect its executability, only its association with a program. The user executing the script does not need to be in the exec group, as long as the user has the execute permission on the file. The SetUID bit is a special permission bit that allows the user to run the file as the file's owner, regardless of the user's identity. This is not necessary for executing the script, and may pose a security risk. The #!./test.sh syntax is invalid, as the #! is used to specify the interpreter for the script, not the script itself. Reference:
Linux Essentials Version 1.6 Objectives1, Topic 1.4: Command Line Basics, Subtopic: Basic Shell Commands Linux Essentials Version 1.6 Exam Preparation Guide2, Section 1.4: Command Line Basics, Page 16 Execute vs Read bit. How do directory permissions in Linux work?3
NEW QUESTION # 29
Which of the following are typical services offered by public cloud providers? (Choose three correct answers.)
Answer: B,D,E
Explanation:
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 andconfiguration. 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.
References:
* What is Public Cloud | IBM
* What Is a Public Cloud? | Google Cloud
NEW QUESTION # 30
Which of the following commands extracts the contents of the compressed archive file1.tar.gz?
Answer: A
Explanation:
Explanation
The correct command to extract the contents of the compressed archive file1.tar.gz is tar -xzf file1.tar.gz. This command uses the following options:
* -x means extract files from an archive.
* -z means filter the archive through gzip, which is a compression program that reduces the size of files.
* -f means use the following archive file name, which is file1.tar.gz in this case.
The other commands are incorrect for the following reasons:
* tar -czf file1.tar.gz creates a compressed archive file1.tar.gz from the files specified after the command, not extract it.
* ztar file1.tar.gz is not a valid command, as ztar is not a standard program or option for tar.
* tar --extract file1.tar.gz is missing the -z option to handle the gzip compression, and also the -f option to specify the file name.
* detar file1.tar.gz is not a valid command, as detar is not a standard program or option for tar.
References:
* Linux Essentials - Topic 106: The Linux Operating System, section 106.2 Use single shell commands and one line command sequences to perform basic tasks on the command line.
* LPI Linux Essentials Study Guide: Exam 010 v1.6, 3rd Edition, Chapter 5: Working with Files and Directories, section Compressing and Archiving Files.
NEW QUESTION # 31
Which of the following directories must be mounted with read and write access if it resides on its own dedicated file system?
Answer: E
NEW QUESTION # 32
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