Term 1141
Update
An update is a piece of software released to fix problems, add features, or improve security in an existing program or system.
Acronym study
Terms 1141–1170 of 1222 SK0-005 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 1141
An update is a piece of software released to fix problems, add features, or improve security in an existing program or system.
Term 1142
Update management is the process of controlling and deploying software patches and updates to keep systems secure, stable, and compliant.
Term 1143
An upgrade is the process of replacing an existing component, software, or system with a newer or better version to improve performance, security, or functionality.
Term 1144
A UPS (Uninterruptible Power Supply) provides emergency backup power to connected equipment when the main power fails, protecting against data loss and hardware damage.
Term 1145
A URL is a string of characters that identifies the location and method to access a resource on the internet.
Term 1146
Unicast Reverse Path Forwarding is a network security feature that verifies the source address of incoming packets to prevent IP spoofing attacks.
Term 1147
USB (Universal Serial Bus) is a standard for connecting peripherals to a host computer, supporting data transfer and power delivery.
Term 1148
A use case is a description of how a specific user or system interacts with a system to achieve a particular goal, often used in security operations to define required functions and validate system behavior.
Term 1149
User Account Control (UAC) is a Windows security feature that prevents unauthorized changes to the operating system by prompting for permission before allowing actions that affect system settings or installed programs.
Term 1150
User behaviour analytics (UBA) is a cybersecurity process that monitors and analyzes patterns in how users interact with systems to detect abnormal actions that may indicate a security threat.
Term 1151
Unified Threat Management (UTM) is a comprehensive security appliance that combines multiple security functions like firewall, antivirus, intrusion prevention, and VPN into a single device.
Term 1152
Unshielded Twisted Pair (UTP) is a copper cabling type with pairs of twisted wires and no shielding, used for Ethernet networks.
Term 1153
Value is the perceived worth, benefit, or usefulness that a service, product, or activity delivers to stakeholders, especially customers and the business.
Term 1154
A variable group is a reusable collection of key-value pairs in Azure DevOps that can store configuration settings and secrets, shared across multiple pipelines.
Term 1155
Virtual Desktop Infrastructure (VDI) is a technology that hosts desktop operating systems on a central server so users can access their personal desktop environment from any device.
Term 1156
Verify explicitly means that a system must actively confirm a user's identity or permissions before granting access, rather than trusting implied or cached credentials.
Term 1157
Vertical alignment is the precise positioning of components or data so that they line up correctly along a vertical axis, ensuring proper connection, communication, or readability.
Term 1158
Video display troubleshooting is the process of identifying and fixing problems with a computer monitor or screen so it shows a clear, stable image.
Term 1159
A Virtual IP Address (VIP) is a logical IP address shared among multiple devices to provide high availability and load balancing.
Term 1160
A virtual machine (VM) is a software-based emulation of a physical computer that runs an operating system and applications just like a real machine, but is isolated and managed by a hypervisor on a host system.
Term 1161
Virtual machine networking is how virtual computers on a physical server connect to each other, to the internet, and to the rest of a network.
Term 1162
A Virtual Private Cloud (VPC) is a logically isolated section of a public cloud where you can run resources in a private, customizable network environment.
Term 1163
Virtual Routing and Forwarding (VRF) is a technology that allows a single physical router to operate like multiple independent routers by keeping separate routing tables and forwarding decisions for each instance.
Term 1164
A virtual switch is a software-based network switch that connects virtual machines within a hypervisor and forwards traffic between them and the physical network.
Term 1165
Virtualization security is the practice of protecting virtualized environments including virtual machines, hypervisors, virtual networks, and related infrastructure from threats and vulnerabilities.
Term 1166
A VLAN (Virtual Local Area Network) is a logical grouping of network devices that behave as if they are on the same physical network segment, regardless of their actual physical location.
Term 1167
A VLAN logically segments a physical network into isolated broadcast domains without requiring separate physical switches.
Term 1168
A VLAN Access Map is a Cisco IOS feature that controls traffic flow between VLANs by applying match-action rules to packets traversing a specific VLAN within a switch.
Term 1169
VNC (Virtual Network Computing) is a cross-platform remote desktop protocol that allows a user to control another computer over a network.
Term 1170
VNC is a cross-platform remote desktop protocol that allows a user to control another computer's graphical interface over a network.