DCOM 142 - QUIZZES 6 QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026

DCOM 142 - QUIZZES 6 QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026 what does the ls -l command do? - Answers List directory contents in long format A Linux system administrator ... For example, what would the administrator accomplish by entering the command *chattr +i {filename}*? - Answers setting the immutable attribute what command is used to change the owner, the group, or both for a file or a directory? - Answers chown The root user utilizes the chgrp command to give ownership of a file to another user. What must the root user do to regain ownership of the file? - Answers Run *chgrp* again listing the root user as the new owner Which of the following command sets "owner" and "group" to rwx permissions and other" permissions on file to r-x? - Answers chmod *775* file What option causes chown to change ownership on an entire directory tree? ( Choose all that apply) - Answers -r & --recursive Which of the following commands can be used to remove a group from a linux computer? - Answers groupdel Which of the following commands will display the groups a user belongs to? - Answers id Since system administrators have the option to use either the absolute mode or symbolic mode to provide permissions settings, it is crucial for new administrators to understand both modes. For example, what would the corresponding absolute mode value be for permissions expressed as *u=rw,g=r,o=r* in symbolic mode? - Answers 644 It is important for system administrators to properly interpret permissions strings to correctly manage permissions. For example, which of these permissions strings is correct for a file named projectA with the user having read, write, and execute, the group having read and write, and others having read-only permissions granted? - Answers -rwxrw-r-- project A What is the preferred method of package management in Red Hat Linux distribution? - Answers Dandified YUM (DNF) The rpm command is used to manage RPM packages on Red Hat-derived distributions. What are the primary options available for Red Hat Package Manager (RPM) to keep software current? (Choose all that apply) - Answers -U & -F Linux system administrators can control resources that are available to package managers. What is the name for these resources that are storage locations for published software packages? - Answers Repositories An organization has asked a Linux system administrator to validate that a newly built Linux host server has all the needed software packages installed. What DNF command would produce an output that would allow the system administrator to validate all the currently present packages on the system? - Answers dnf list installed A Linux system administrator has a service request to provide a deliverable file to the security operations team as part of a routine software audit. The file needs to contain all the installed software packages on host apachesvr01. What Red Hat package manager (RPM) query/command would provide this file for the system administrator? - Answers rpm -qa Consider the given choices and determine which one establishes a conceptual framework for network connectivity. - Answers OSI model Which network device/component acts as a concentrator, centralizing all network connections for a segment to a single device? - Answers switch What value indicates which part of the IP (Internet Protocol) address is the network ID (identifier) and which part is the host ID? - Answers subnet mask A Linux trainee is studying TCP/IP and decides to put the model to memory but is getting confused between TCP/IP and another model. Determine which option does NOT come from the TCP/IP protocol suite. - Answers @@