Term 901
System Restore
System Restore is a Windows utility that lets you revert your computer's system files, registry settings, and installed programs to a previous state without affecting your personal files.
Acronym study
Terms 901–930 of 1033 N10-009 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 901
System Restore is a Windows utility that lets you revert your computer's system files, registry settings, and installed programs to a previous state without affecting your personal files.
Term 902
TACACS+ is a protocol that separates authentication, authorization, and accounting functions to control who can access network devices and what they can do.
Term 903
A target tracking policy is an AWS Auto Scaling feature that automatically adjusts the number of EC2 instances to maintain a specified target value for a given metric, such as average CPU utilization.
Term 904
Total Cost of Ownership (TCO) is the complete cost of owning and operating an IT asset over its entire lifecycle, including purchase, maintenance, support, energy, and disposal costs, not just the initial price tag.
Term 905
TCP (Transmission Control Protocol) is a core internet protocol that ensures data is sent reliably and in order between devices over a network.
Term 906
TCP is a connection-oriented transport layer protocol that ensures reliable, ordered, and error-checked delivery of data between applications over IP networks.
Term 907
A TCP Proxy Load Balancer is a network device that terminates incoming TCP connections from clients, establishes a new TCP connection to a backend server, and relays data between the two, enabling advanced traffic management and security features.
Term 908
The TCP/IP model is the set of communication protocols used to connect devices on the internet and most private networks, organizing network communication into four layers.
Term 909
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 910
TKIP is a security protocol used in Wi-Fi networks to strengthen encryption by dynamically changing the encryption key for each data packet.
Term 911
A user profile that Windows creates automatically when the regular profile fails to load, providing limited and temporary access to the system.
Term 912
Terraform is an infrastructure-as-code tool that lets you define and manage your IT infrastructure using configuration files instead of manual processes.
Term 913
A DNS Text Record (TXT record) is a type of resource record that stores human-readable or machine-readable text data associated with a domain name.
Term 914
TFTP, or Trivial File Transfer Protocol, is a simple, lightweight network protocol used to transfer files between devices without the security or advanced features of FTP.
Term 915
Thermal paste is a heat-conductive substance applied between a computer's processor and its cooler to improve heat transfer and prevent overheating.
Term 916
Threat modelling is a structured approach to identifying, evaluating, and documenting potential security threats to a system so that defenses can be built proactively.
Term 917
Throughput is the rate at which data is successfully transferred from one point to another over a network, typically measured in bits per second.
Term 918
A ticketing system is a software tool used by IT teams to track, manage, and resolve issues or requests reported by users, ensuring nothing gets lost and everything is handled in an organized way.
Term 919
TKIP is a security protocol used in WPA to replace WEP's static key with dynamic per-packet keys, ensuring data integrity.
Term 920
A toner probe is a two-part tool used in networking to trace and identify specific cables within a bundle of wires, often by sending an audio signal down the wire and detecting it with a wand.
Term 921
Total cost of ownership (TCO) is the complete cost of owning and operating an IT asset over its entire lifecycle, including purchase price, maintenance, support, energy, and disposal fees.
Term 922
A touchpad is a flat, touch-sensitive surface built into a laptop that allows you to control the cursor and perform clicks by moving your finger across it.
Term 923
A touchscreen is a display that can detect and respond to the touch of a finger or stylus, allowing you to interact directly with what is shown on the screen.
Term 924
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 925
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 926
Traffic shaping is a network bandwidth management technique that controls the flow of data packets to ensure smooth performance and prevent congestion by intentionally delaying some traffic.
Term 927
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 928
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 929
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 930
A trunk port is a switch port configured to carry traffic for multiple VLANs, using a tagging protocol to identify which VLAN each frame belongs to.