Acronym study
Terms 121–150 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 121
Cloud Storage classes are categories of data storage services offered by cloud providers that differ in performance, availability, cost, and access frequency, allowing users to optimize costs based on how often data is accessed.
Term 122
A Cloud VPN is a service that securely connects your private network to a cloud provider's network over the public internet using encryption and authentication.
Term 123
Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds.
Term 124
CMOS is a small memory chip on a computer motherboard that stores important system settings like date, time, and hardware configuration, even when the power is off.
Term 125
A segment of a network where data packets can collide with one another when two or more devices transmit at the same time.
Term 126
Column Address Strobe (CAS) is a signal in DRAM memory that tells the memory chip which column of the row to access during a read or write operation.
Term 127
Command Prompt is a text-based interface in Windows that lets you type commands to perform tasks like managing files, troubleshooting networks, or launching programs.
Term 128
A command-line interface (CLI) is a text-based tool that lets you control a computer or network device by typing commands instead of clicking icons.
Term 129
A Common Access Card (CAC) is a smart card issued by the U.S. Department of Defense that serves as a single identification, authentication, and access credential for military personnel and contractors.
Term 130
The Common Internet File System (CIFS) is a network protocol that allows computers to share files, printers, and other resources over a local network or the internet.
Term 131
A community cloud is a multi-tenant cloud infrastructure shared by several organizations with common concerns, such as compliance, security, or industry regulations.
Term 132
Compatibility mode is a software setting that allows a program or operating system designed for an older version of Windows to run on a newer version by mimicking the older environment.
Term 133
A type of semiconductor technology used in microchips that combines two types of transistors to create circuits with very low power consumption.
Term 134
Computer Management is a built-in Microsoft Windows tool that gives IT professionals a central console to manage system components like disks, users, services, and event logs.
Term 135
A conditional write is an operation that only completes if a specified condition is met, preventing data overwrites or collisions in distributed systems.
Term 136
A Configuration Management Database (CMDB) is a centralized repository that stores information about all the hardware, software, and other components in an IT system and their relationships.
Term 137
A connected route is a network path that a router knows about automatically because it has a network interface directly connected to that network.
Term 138
A container is a lightweight, standalone software package that includes everything needed to run an application, such as code, runtime, system tools, and libraries.
Term 139
Content-addressable Memory (CAM) is a special type of computer memory used in high-speed networking devices that searches its entire contents in a single clock cycle to find a matching value, rather than searching one address at a time.
Term 140
Control Panel is a central graphical interface in Windows operating systems used to configure system settings, manage hardware, and control user preferences.
Term 141
A convertible laptop is a mobile device that can switch between a traditional laptop form and a tablet form, typically by rotating or detaching its keyboard.
Term 142
Cool tier is a low-cost, online-only storage access tier in Microsoft Azure Blob Storage designed for data that is infrequently accessed and stored for at least 30 days.
Term 143
A cooling fan is a hardware component that moves air across heat-generating parts to prevent overheating and maintain safe operating temperatures.
Term 144
A corrupted profile is a user account on a computer that has become damaged or dysfunctional, preventing the user from logging in or accessing their personal settings and files.
Term 145
The Central Processing Unit (CPU) is the main electronic brain of a computer that carries out instructions from software by performing basic arithmetic, logic, control, and input/output operations.
Term 146
A crimper is a handheld tool used to attach a connector, like an RJ45 plug, to the end of a network cable by compressing metal pins into the cable's wires to create a secure and conductive connection.
Term 147
Cross-Region Replication is the automated copying of data from a storage bucket in one geographic region to a bucket in a different geographic region for disaster recovery, compliance, or lower latency access.
Term 148
A crossover cable is an Ethernet cable with reversed transmit and receive wire pairs, used to directly connect two similar devices without a switch or hub.
Term 149
Carrier Sense Multiple Access with Collision Detection is a network protocol used in Ethernet to manage data transmission and handle collisions when two devices send data at the same time.
Term 150
curl is a command-line tool that lets you transfer data to or from a server using various network protocols, commonly used to test APIs and download files.