Term 91
IT service management
IT service management (ITSM) is a set of practices for designing, delivering, managing, and improving the way IT services are provided to users and customers.
Acronym study
Terms 91–120 of 226 XK0-005 acronyms and key terms. Each entry includes a plain-English definition and a link to the full 800-word glossary page with exam context and practice questions.
Term 91
IT service management (ITSM) is a set of practices for designing, delivering, managing, and improving the way IT services are provided to users and customers.
Term 92
ITSM (Information Technology Service Management) is a set of practices for designing, delivering, managing, and improving IT services to meet business needs.
Term 93
Journalctl is a command-line tool used to view and query logs collected by the systemd journal, which stores system and application messages on Linux systems.
Term 94
journald is the systemd logging service that collects, stores, and manages system logs on modern Linux distributions, providing structured log data and binary log files.
Term 95
The kernel is the core program of an operating system that manages hardware resources and provides essential services for all other software to run.
Term 96
A kernel module is a piece of code that can be loaded into or removed from the Linux kernel at runtime to add or remove support for hardware, filesystems, or system calls without rebooting.
Term 97
A kernel panic is a critical system error that occurs when the operating system's core (the kernel) encounters an unrecoverable fault, causing the system to stop all operations and often display an error message or a screen of death.
Term 98
Linux is an open-source operating system that manages computer hardware and software, widely used in servers, desktops, and embedded systems.
Term 99
LLDP (Link Layer Discovery Protocol) is a vendor-neutral protocol used by network devices to advertise their identity, capabilities, and neighbors on a local Ethernet network.
Term 100
Local Users and Groups is a Windows tool that lets you create, manage, and organize user accounts and security groups directly on a single computer, controlling who can log on and what they can do.
Term 101
A logical volume is a virtual storage unit created from one or more physical hard drives that can be resized, moved, or snapshotted without disrupting the system.
Term 102
lsmod is a Linux command that displays which kernel modules are currently loaded into the operating system, helping with system management and troubleshooting.
Term 103
lvextend is a Linux command used to increase the size of an existing Logical Volume in LVM (Logical Volume Manager) without disrupting the data or the system.
Term 104
LVM (Logical Volume Manager) is a storage management system that allows you to create, resize, and manage disk partitions flexibly without needing to repartition the physical disk.
Term 105
macOS is the operating system that powers Apple's Mac computers, providing a graphical interface, system management, and security features for users and IT professionals.
Term 106
A centralized dashboard within a software platform that displays system notifications, alerts, and messages about account status, security events, and service updates.
Term 107
The Microsoft 365 admin center is a web-based portal where IT administrators manage users, subscriptions, security, and settings for an organization's Microsoft 365 services.
Term 108
A Microsoft 365 tenant is a dedicated, isolated instance of Microsoft 365 services created for an organization when they sign up for a subscription.
Term 109
The Microsoft Entra admin center is a web-based portal where IT administrators manage user identities, security policies, and access permissions across cloud applications and devices.
Term 110
Microsoft Intune is a cloud-based service that helps organizations manage employee devices, apps, and security policies without needing to own or control the physical hardware.
Term 111
Creates a filesystem on a storage device, preparing it for data storage.
Term 112
modprobe is a Linux command used to add or remove kernel modules (drivers) from the running kernel safely, handling dependencies automatically.
Term 113
The Monthly Enterprise Channel is a software update servicing option for Windows 10 and Windows 11 designed for enterprise environments that want to receive new features monthly while still maintaining a high level of stability and manageability.
Term 114
Mounting is the process of making a file system or storage device accessible to a computer's operating system by attaching it to a specific directory in the existing directory tree.
Term 115
MSConfig is a Windows system utility used to troubleshoot startup issues by managing boot settings, services, and startup programs.
Term 116
A Named ACL is a list of rules applied to a network device, identified by a name instead of a number, that controls which traffic is allowed or blocked based on source and destination IP addresses, protocols, and port numbers.
Term 117
NAT (Network Address Translation) is a method that allows multiple devices on a private network to share a single public IP address when accessing the internet.
Term 118
A NAT Gateway is a managed AWS service that allows instances in a private subnet to connect to the internet or other AWS services while preventing the internet from initiating connections back to those instances.
Term 119
NAT overload is a form of network address translation that allows many devices on a private network to share a single public IP address by using unique port numbers to track each connection.
Term 120
A Network ACL is a virtual firewall that controls inbound and outbound traffic at the subnet level in a cloud network, acting as a stateless packet filter.