Term 841
WEP
WEP (Wired Equivalent Privacy) is an outdated wireless security protocol that encrypts data using the RC4 cipher and a static key, but is easily broken.
Acronym study
Terms 841–863 of 863 SC-900 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 841
WEP (Wired Equivalent Privacy) is an outdated wireless security protocol that encrypts data using the RC4 cipher and a static key, but is easily broken.
Term 842
Wi-Fi Protected Access (WPA) is a security standard designed to secure wireless networks by encrypting data and controlling access, replacing the older and less secure WEP standard.
Term 843
A network security feature designed to simplify the process of connecting devices to a Wi-Fi network by using a push button or PIN instead of entering the full password.
Term 844
A wildcard mask is a sequence of 32 bits used alongside an IP address to define which bits must match and which are ignored for routing, access control, or network matching purposes.
Term 845
A Win32 app is a traditional Windows program that runs directly on a Windows PC, using the same system resources and displaying a standard window with menus and buttons.
Term 846
Windows 365 is a cloud-based service from Microsoft that streams a full Windows operating system, including apps and data, to any device, allowing you to use a personal Windows desktop from anywhere.
Term 847
Windows Defender is a built-in antimalware and security tool in Microsoft Windows that protects your computer from viruses, spyware, and other malicious software without needing to install anything extra.
Term 848
Windows Defender Firewall is a built-in security feature in Microsoft Windows that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Term 849
The Windows event log is a built-in service that records system, security, and application activities in a structured file so administrators can monitor health, detect problems, and investigate security incidents.
Term 850
Windows Update for Business is a set of policies and settings that IT administrators use to manage and control how Windows devices receive updates from Microsoft, allowing for staged rollouts and deferrals while ensuring security patches are applied.
Term 851
WinRM is Microsoft's implementation of WS-Management, enabling secure remote management of Windows systems over HTTP/HTTPS.
Term 852
Wired Equivalent Privacy (WEP) is a security protocol for wireless networks, designed to provide a level of data confidentiality comparable to a wired LAN.
Term 853
A wireless access point is a networking device that allows Wi-Fi-enabled devices to connect to a wired network, typically a local area network (LAN), acting as a bridge between wireless and wired communication.
Term 854
Wireshark is a free, open-source network protocol analyzer that captures and inspects data packets traveling over a computer network in real time.
Term 855
Workload Identity Federation lets a non-human software workload (like an app or server) securely prove its identity to a cloud provider using a token from an external identity provider, without needing long-term secrets.
Term 856
A worm is a type of malicious software that can copy itself and spread to other computers over a network, often without any human action.
Term 857
WPA (Wi-Fi Protected Access) is a security protocol that encrypts wireless network traffic to prevent unauthorized access and eavesdropping.
Term 858
WPA3 is the latest security standard for Wi-Fi networks, providing stronger encryption and protection against password guessing attacks compared to its predecessor WPA2.
Term 859
XDR, or Extended Detection and Response, is a unified security platform that collects and correlates data across multiple security layers—endpoints, networks, servers, cloud workloads, and email—to improve threat detection and enable faster response.
Term 860
Cross-Site Scripting (XSS) is a security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.
Term 861
Yammer is Microsoft's enterprise social networking platform that connects employees across an organization for collaboration, knowledge sharing, and communication.
Term 862
Zero Trust is a security framework that assumes no user, device, or network is automatically trusted, requiring verification for every access request regardless of its origin.
Term 863
Zero Trust Architecture is a cybersecurity model that requires every user and device to be continuously verified before accessing any resource, regardless of where they are located.