Term 61
Authentication
Authentication is the process of verifying that someone or something is who or what it claims to be before granting access to a system or resource.
Acronym study
Terms 61–90 of 956 220-1102 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 61
Authentication is the process of verifying that someone or something is who or what it claims to be before granting access to a system or resource.
Term 62
Authentication, Authorization, and Accounting (AAA) is a security framework that controls who can access a network or system, what they are allowed to do, and tracks what they actually did.
Term 63
An authentication log is a record of all attempts to verify a user's identity when accessing a system, including successes, failures, and associated metadata.
Term 64
An authenticator app is a software application on your phone or computer that generates temporary codes used to prove your identity when logging into online accounts.
Term 65
Authorization determines what an authenticated user is allowed to do within a system, such as accessing files, running programs, or changing settings.
Term 66
A file on a server that stores the public keys of users who are allowed to log in without a password using SSH key-based authentication.
Term 67
An Automatic Document Feeder (ADF) is a hardware component in scanners, printers, and copiers that automatically feeds multiple pages of a document for scanning or copying without manual intervention.
Term 68
Autopilot Reset is a Windows feature that allows IT administrators to quickly remove a user's personal files, settings, and apps from a managed device, returning it to a ready-to-use, business-ready state without needing to reinstall the operating system.
Term 69
Availability is the measure of how often a system or service is operational and accessible when needed, typically expressed as a percentage of uptime.
Term 70
An Availability set is a cloud computing feature that groups virtual machines across multiple fault domains and update domains to ensure high availability during hardware failures or planned maintenance.
Term 71
An Availability Zone is a distinct, isolated location within a cloud region that contains its own power, cooling, and networking, designed to protect applications from single points of failure.
Term 72
AWS Audit Manager is a service that automatically collects evidence from your AWS accounts to help you prove that you are following security and compliance rules, making audits easier and faster.
Term 73
AWS Cloud is a comprehensive on-demand cloud computing platform provided by Amazon that offers a wide range of services including computing power, storage, and databases, allowing businesses to scale and innovate without managing physical hardware.
Term 74
AWS Config is a service that continuously records, evaluates, and reports on changes to your AWS resources so you can maintain a secure and compliant infrastructure.
Term 75
AWS Config Rules are customizable, automated checks that continuously evaluate your AWS resource configurations against desired compliance or security policies and alert you when a resource is noncompliant.
Term 76
AWS Firewall Manager is a centralized security management service that lets you configure and enforce firewall rules across all accounts and resources in your AWS organization from a single place.
Term 77
AWS Organizations is a free service that lets you centrally manage multiple AWS accounts, apply security policies, and control billing across your entire cloud environment.
Term 78
AWS Shield is a managed Distributed Denial of Service (DDoS) protection service that safeguards web applications running on AWS from attacks that try to overwhelm them with traffic.
Term 79
AWS SSO is a cloud-based service that lets you sign in once (single sign-on) to access multiple AWS accounts and business applications from one central place.
Term 80
AWS Support plans are tiered service packages that provide varying levels of technical support, guidance, and response times for AWS cloud environments.
Term 81
AWS WAF is a cloud-based web application firewall that helps protect your web applications from common web exploits like SQL injection and cross-site scripting by allowing you to define customizable rules.
Term 82
An Azure datacenter is a physical facility that houses Microsoft's cloud computing infrastructure, including servers, storage, and networking equipment, to deliver Azure services globally.
Term 83
Azure geography is a discrete market containing one or more Azure regions that preserves data residency and compliance boundaries for customers.
Term 84
Azure Key Vault is a cloud service for securely storing and managing sensitive information like passwords, encryption keys, and certificates.
Term 85
Azure Policy is a service in Microsoft Azure that lets you create, assign, and manage rules to ensure your resources stay compliant with your company standards and service-level agreements.
Term 86
Azure Sentinel is Microsoft's cloud-native Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) service that uses intelligent analytics to help protect an enterprise's entire digital estate.
Term 87
A backup is a copy of computer data taken and stored separately so that the original data can be restored if it is lost, damaged, or corrupted.
Term 88
A baseline is a documented starting point for the normal performance and behavior of a system, network, or component, used to detect changes and troubleshoot issues.
Term 89
A baseline configuration is a documented set of specifications for hardware, software, and settings that serves as a consistent starting point for systems in an IT environment.
Term 90
Bash is a command-line interpreter that lets users interact with an operating system by typing text commands instead of clicking icons.