Term 181
Sponsor
In IT service management, a sponsor is a person or group that authorizes the budget and resources for a service or project and is ultimately accountable for its success.
Acronym study
Terms 181–210 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 181
In IT service management, a sponsor is a person or group that authorizes the budget and resources for a service or project and is ultimately accountable for its success.
Term 182
SSH (Secure Shell) is a cryptographic network protocol that provides secure, encrypted communication and remote administration between two devices over an unsecured network.
Term 183
A stakeholder is any person, group, or organization that has an interest in or is affected by the outcome of an IT project, service, or change.
Term 184
A Standard Access Control List (ACL) is a sequential set of permit or deny rules that filters network traffic based solely on the source IP address.
Term 185
Static Network Address Translation (NAT) is a one-to-one mapping between a private IP address and a public IP address that never changes.
Term 186
The sticky bit is a special permission on Unix/Linux files and directories that restricts file deletion to the file owner, directory owner, or root user, even if others have write access.
Term 187
The 'su' command (substitute user or switch user) allows a user to assume the identity of another user, typically the root user, without logging out and back in.
Term 188
A subnet is a logical subdivision of an IP network, created by partitioning a larger network address space using subnet masks.
Term 189
A subscription is a payment model where you pay a recurring fee to access a product or service instead of buying it once and owning it forever.
Term 190
sudo is a command-line utility in Unix-like operating systems that allows a permitted user to execute a program as another user, typically the superuser (root), based on security policy settings.
Term 191
SUID (Set User ID) is a special file permission in Linux that allows a user to run an executable file with the file owner's privileges, typically root, rather than their own.
Term 192
A support ticket is a digital record used to track, manage, and resolve a user's reported issue or service request within an IT help desk system.
Term 193
A swap partition is a dedicated area on a hard drive that the operating system uses as virtual memory when the physical RAM is full.
Term 194
A symbolic link is a special file that points to another file or directory, acting as a shortcut that the operating system treats as the original item.
Term 195
Syslog is a standard protocol used to send and store log messages from network devices and servers to a central logging server for monitoring and troubleshooting.
Term 196
System Configuration refers to the specific combination of hardware components, software settings, and operating system parameters that determine how a computer behaves and performs.
Term 197
systemctl is the command-line tool used to inspect, start, stop, enable, or disable services managed by the systemd init system in Linux.
Term 198
systemd is a system and service manager for Linux operating systems that initializes and manages processes, services, and system resources after the kernel boots.
Term 199
TACACS+ is a protocol that separates authentication, authorization, and accounting functions to control who can access network devices and what they can do.
Term 200
A target unit is a defined logical or physical entity within a system management framework, used to specify where an administrative action, policy, or configuration change is applied, typically in enterprise environments with many devices.
Term 201
Task Manager is a built-in Windows utility that shows running programs, processes, and system performance, allowing users to monitor and manage computer activity.
Term 202
The Teams admin center is a web-based management portal where IT administrators control settings, users, policies, and features for Microsoft Teams across an organization.
Term 203
Telnet is a network protocol that provides a bidirectional, interactive text-based communication session between two machines over a network, typically used for remote access and management of network devices.
Term 204
A terminal is a text-based interface that allows users to communicate with a computer's operating system by typing commands.
Term 205
udev is a device manager for the Linux kernel that dynamically manages device nodes in the /dev directory, handling device insertion, removal, and event-driven configuration.
Term 206
Umask (user file-creation mode mask) is a Linux/Unix setting that determines the default permissions assigned to new files and directories by subtracting or masking permission bits from a base set.
Term 207
Unmount is the process of safely detaching a file system or storage device from the operating system, ensuring all pending data writes are completed and system consistency is maintained.
Term 208
A user is any person, system, or device that interacts with an IT service, resource, or identity system, typically authenticated through credentials and authorized to perform specific actions.
Term 209
A user license is a legal agreement that grants a person or organization the right to use a software product under specific terms and conditions.
Term 210
A command-line utility in Unix-like operating systems used to create a new user account with specified settings.