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Quiz Marvelous CompTIA - XK0-005 - CompTIA Linux+ Certification Exam New Braindumps Questions

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The latest version, the CompTIA XK0-005 Certification Exam, was released in April 2021. XK0-005 exam covers a broad range of topics, including file systems and storage, shells and scripting, networking, virtualization and cloud computing, and security. Successful completion of the exam demonstrates the individual's proficiency in working with Linux systems, architectures, and applications.

CompTIA XK0-005 certification is an essential certification for IT professionals who want to validate their skills in Linux-based systems. CompTIA Linux+ Certification Exam certification is recognized globally and provides a vendor-neutral approach, making it an ideal certification for IT professionals who work with various Linux distributions. CompTIA Linux+ Certification Exam certification exam is challenging, and candidates must prepare adequately to pass it.

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CompTIA Linux+ Certification Exam Sample Questions (Q720-Q725):

NEW QUESTION # 720
A systems administrator is compiling a report containing information about processes that are listening on the network ports of a Linux server.
Which of the following commands will allow the administrator to obtain the needed information?

A. tcpdump -nL
B. lsof -lt
C. ss -pint
D. netstat -pn

Answer: C

Explanation:
The command ss -pint will allow the administrator to obtain the needed information about processes that are listening on the network ports of a Linux server. The ss command is a tool for displaying socket statistics on Linux systems. Sockets are endpoints of network communication that allow processes to exchange data over the network. The ss command can show various information about the sockets, such as the state, address, port, protocol, and process. The -pint option specifies the filters and flags that the ss command should apply. The -p option shows the process name and ID that owns the socket. The -i option shows the internal information about the socket, such as the send and receive queue, the congestion window, and the retransmission timeout. The -n option shows the numerical address and port, instead of resolving the hostnames and service names. The -t option shows only the TCP sockets, which are the most common type of sockets used for network communication. The command ss -pint will display the socket statistics for the TCP sockets, along with the process name and ID, the numerical address and port, and the internal information. This will allow the administrator to obtain the needed information about processes that are listening on the network ports of a Linux server.

NEW QUESTION # 721
Users in the human resources department are trying to access files in a newly created directory. Which of the following commands will allow the users access to the files?

A. chgrp
B. chattr
C. chcon
D. chage

Answer: A

Explanation:
The chgrp command is used to change the group ownership of files and directories. By using this command, the administrator can assign the files in the newly created directory to the human resources group, which will allow the users in that group to access them. The other commands are not relevant for this task. For example:
chattr is used to change the file attributes, such as making them immutable or append-only1.
chage is used to change the password expiration information for a user account2.
chcon is used to change the security context of files and directories, which is related to SELinux3.
Reference:
The CompTIA Linux+ Certification Exam Objectives mention that the candidate should be able to "manage file and directory ownership and permissions" as part of the Hardware and System Configuration domain4.
The web search result 2 explains how to use the chgrp command with examples.
The web search result 3 compares the chmod and chgrp commands and their effects on file permissions.

NEW QUESTION # 722
A Linux systems administrator has to write a script to be used to replace an IP address in a network configuration file.
Given the following file content:

Which of the following commands will accomplish this task?

Answer: C

NEW QUESTION # 723
A systems administrator created a new directory with specific permissions. Given the following output:
# file: comptia
# owner: root
# group: root
user: : rwx
group :: r-x
other: :---
default:user :: rwx
default:group :: r-x
default:group:wheel: rwx
default:mask :: rwx
default:other ::-
Which of the following permissions are enforced on /comptia?

A. Newly created files in /comptia will have the sticky bit set.
B. Members of the wheel group can read files in /comptia.
C. Only root can create files in /comptia.
D. Other users can create files in /comptia.

Answer: B

Explanation:
Explanation
The output shows the file access control list (FACL) of the /comptia directory, which is an extension of the standard Linux permissions that allows more fine-grained control over file and directory access1. The FACL consists of two parts: the access ACL and the default ACL. The access ACL applies to the current object, while the default ACL applies to the objects created within the directory2.
The access ACL has three entries: user, group, and other. These are similar to the standard Linux permissions, but they can be specified for individual users or groups as well. The user entry shows that the owner of the directory (root) has read, write, and execute permissions (rwx). The group entry shows that the group owner of the directory (root) has read and execute permissions (r-x). The other entry shows that all other users have no permissions (-).
The default ACL has five entries: user, group, group:wheel, mask, and other. These are applied to any files or directories created within /comptia. The user entry shows that the owner of the new object will have read, write, and execute permissions (rwx). The group entry shows that the group owner of the new object will have read and execute permissions (r-x). The group:wheel entry shows that the members of the wheel group will have read, write, and execute permissions (rwx) on the new object. The mask entry shows that the maximum permissions allowed for any user or group are read, write, and execute (rwx). The other entry shows that all other users will have no permissions (-) on the new object.
Therefore, based on the FACL output, members of the wheel group can read files in /comptia, as they have read permission on both the directory and any files within it. Option B is incorrect because the sticky bit is not set on /comptia or any files within it. The sticky bit is a special permission that prevents users from deleting or renaming files that they do not own in a shared directory3. It is symbolized by a t character in the execute position of others. Option C is incorrect because other users cannot create files in /comptia, as they have no permissions on the directory or any files within it. Option D is incorrect because root is not the only user who can create files in /comptia. Any user who has write permission on the directory can create files within it, such as members of the wheel group.

NEW QUESTION # 724
A systems administrator is deploying three identical, cloud-based servers. The administrator is using the following code to complete the task:

Which of the following technologies is the administrator using?

A. Chef
B. Terraform
C. Ansible
D. Puppet

Answer: B

Explanation:
The code snippet is written in Terraform language, which is a tool for building, changing, and versioning infrastructure as code. Terraform uses a declarative syntax to describe the desired state of the infrastructure and applies the changes accordingly. The code defines a resource of type aws_instance, which creates an AWS EC2 instance, and sets the attributes such as the AMI ID, instance type, security group IDs, and key name. The code also uses a count parameter to create three identical instances and assigns them different names using the count.index variable.
This is the correct technology that the administrator is using. The other options are incorrect because they use different languages and syntaxes for infrastructure as code.

NEW QUESTION # 725
......

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