Acronym study
Terms 721–750 of 826 220-1201 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 721
A Subscriber Connector (SC) is a fiber optic cable connector known for its push-pull coupling mechanism and square shape, commonly used in data centers and telecommunications for single-mode and multimode fiber connections.
Term 722
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 723
A switch is a networking device that connects devices on a local area network and uses MAC addresses to forward data only to the intended recipient.
Term 724
A logical interface on a network switch that allows it to be managed and communicate with other devices using IP addresses.
Term 725
A Switched Port Analyzer (SPAN) is a feature on network switches that copies traffic from one or more ports to a monitoring port for analysis.
Term 726
A switchport is a physical or virtual interface on a network switch that connects devices like computers, printers, or other switches to a local area network.
Term 727
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 728
Synchronization is the process of making sure two or more systems, devices, or pieces of data stay exactly matched and up-to-date with each other.
Term 729
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 730
A tablet is a portable computing device with a touchscreen interface, typically larger than a smartphone but smaller than a laptop, used for browsing, media consumption, and light productivity tasks.
Term 731
TCP (Transmission Control Protocol) is a core internet protocol that ensures data is sent reliably and in order between devices over a network.
Term 732
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 733
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 734
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 735
A user profile that Windows creates automatically when the regular profile fails to load, providing limited and temporary access to the system.
Term 736
TACACS+ is a remote authentication protocol that uses three separate servers to verify who you are, what you are allowed to do, and record what you did on network devices.
Term 737
Tethering is sharing your phone's internet connection with another device, like a laptop or tablet, so it can go online.
Term 738
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 739
Thermal paste is a heat-conductive substance applied between a computer's processor and its cooler to improve heat transfer and prevent overheating.
Term 740
A thermal printer is a type of printer that uses heat to transfer an image onto paper, commonly used for receipts and labels.
Term 741
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 742
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 743
A temporary, automatically generated code that changes every few seconds and is used as an extra layer of security when logging into an account.
Term 744
An electrophotographic printer component that holds a fine, dry plastic powder (toner) and supplies it to the imaging drum to produce text and images on paper.
Term 745
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 746
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 747
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 748
TPM (Trusted Platform Module) is a dedicated hardware chip on a computer's motherboard that stores cryptographic keys, passwords, and certificates to secure the system against unauthorized access and tampering.
Term 749
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 750
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.