Term 1111
Traceroute
Traceroute is a network diagnostic tool that maps the route data packets take from your computer to a destination, showing each intermediate hop and the time taken.
Acronym study
Terms 1111–1140 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 1111
Traceroute is a network diagnostic tool that maps the route data packets take from your computer to a destination, showing each intermediate hop and the time taken.
Term 1112
A traffic manager is a networking device or service that directs incoming data traffic across multiple servers or links to balance load, improve performance, and ensure availability.
Term 1113
Transactional data is information that captures a specific event or exchange, such as a sale, a payment, or a system log entry, and is recorded in a database or log system.
Term 1114
A transceiver is a device that both transmits and receives signals, combining a transmitter and a receiver into a single unit for communication over a network medium.
Term 1115
A Transit Gateway is a network hub that connects multiple virtual private clouds (VPCs) and on-premises networks through a single, central gateway to simplify routing and reduce complexity.
Term 1116
Transparent Data Encryption is a security feature that automatically encrypts data written to a database and decrypts it when read, without requiring any changes to the application.
Term 1117
Transport Layer Security (TLS) is a cryptographic protocol that provides secure, encrypted communication between two devices over a network, such as between a web browser and a server.
Term 1118
A Transport rule is a set of conditions and actions within Microsoft Exchange Online or Exchange Server that automatically processes email messages during transit based on defined criteria.
Term 1119
Triage is the process of quickly assessing and prioritizing security incidents based on their severity, impact, and urgency to determine the appropriate response.
Term 1120
TFTP is a simple, lightweight protocol used to transfer files between devices on a network without the security and error-checking features of more robust file transfer methods.
Term 1121
A troubleshooting step is one specific action taken in a logical sequence to identify, isolate, and resolve a technical problem in an IT system.
Term 1122
A true negative is a test result that correctly identifies the absence of a condition or threat, meaning no false alarm occurred.
Term 1123
A true positive is when a security tool correctly identifies a real threat or malicious activity.
Term 1124
A trust boundary is the logical or physical line that separates a trusted, secure area from an untrusted, potentially hostile environment in a computer system or network.
Term 1125
A Trust Center is a centralized portal or collection of resources where an organization publishes its security, compliance, privacy, and data protection policies to build customer and stakeholder confidence.
Term 1126
The trusted computing base is the entire set of hardware, firmware, and software components that are critical to a system's security, meaning that any flaw in these components can break the entire security policy.
Term 1127
TTP stands for Tactics, Techniques, and Procedures, which describe the behavior patterns and methods used by threat actors in cybersecurity attacks.
Term 1128
TX (Transmit/Transmitter) is the signal path that sends data from a device to another device or network medium.
Term 1129
A TXT record is a type of DNS record that stores text information for a domain, commonly used for verification, email security, and policy purposes.
Term 1130
A Type 1 hypervisor is a lightweight operating system that runs directly on server hardware to create and manage virtual machines without needing a separate host OS.
Term 1131
User Account Control is a Windows security feature that prevents unauthorized changes to your computer by asking for permission before allowing certain actions.
Term 1132
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 1133
UEFI (Unified Extensible Firmware Interface) is a modern firmware interface that initializes hardware and boots the operating system, replacing the older BIOS.
Term 1134
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 1135
An unauthenticated scan is a vulnerability assessment performed without providing valid login credentials, simulating an outside attacker's perspective.
Term 1136
An underlay network is the physical infrastructure that carries data, while an overlay network is a virtual network built on top of the underlay to provide additional services and segmentation.
Term 1137
UEFI is the modern replacement for BIOS that controls how a computer starts up and loads the operating system.
Term 1138
Unified Threat Management (UTM) is a single security appliance or service that combines multiple network security functions like firewall, antivirus, intrusion prevention, and content filtering into one device.
Term 1139
A Uniform Resource Locator (URL) is the web address you type into a browser to access a specific resource like a webpage, image, or file on the internet.
Term 1140
An unknown unicast is a frame sent to a switch that is destined for a MAC address the switch does not have in its MAC address table.