Term 841
Purple team
A purple team is a collaborative approach in cybersecurity where the offensive (red) and defensive (blue) teams work together to improve an organization's security posture by sharing insights and tactics.
Acronym study
Terms 841–870 of 1222 SK0-005 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
A purple team is a collaborative approach in cybersecurity where the offensive (red) and defensive (blue) teams work together to improve an organization's security posture by sharing insights and tactics.
Term 842
Pvs (Physical Volume) is a foundational storage unit in Linux LVM (Logical Volume Manager) that represents a physical disk or partition used to build flexible, resizable storage pools.
Term 843
PXE is a client-server protocol that allows a computer to boot from a network interface card without a local storage device.
Term 844
A Quad Small Form-factor Pluggable (QSFP) is a compact, hot-pluggable transceiver module used in networking to connect switches, routers, and servers to fiber optic or copper cables, supporting four data channels in one module.
Term 845
Qualitative risk analysis is a subjective, scenario-based approach to prioritizing information security risks by evaluating their likelihood and potential impact using predefined scales rather than numerical calculations.
Term 846
Quality Management is the practice of defining, monitoring, and controlling the processes and deliverables of a project to ensure they meet the required standards and stakeholder expectations.
Term 847
A quality update is a type of software patch from Microsoft that focuses on fixing security vulnerabilities, bugs, and improving system stability for Windows operating systems.
Term 848
Quantitative risk analysis is a structured process that uses numerical data and statistical methods to calculate the potential financial impact of risks on an organization's assets and projects.
Term 849
Quarantine is a security process that isolates a potentially malicious file, email, or device from the rest of the system to prevent harm while it is analyzed or remediated.
Term 850
Query Store is a built-in SQL Server feature that captures and stores a history of query execution plans and performance data for easy monitoring and troubleshooting.
Term 851
RA-GRS (Read-Access Geo-Redundant Storage) is an Azure storage replication option that provides read access to a secondary region copy of your data, even if the primary region becomes unavailable.
Term 852
RADIUS is a network protocol that provides centralized authentication, authorization, and accounting management for users who connect and use a network service.
Term 853
RADIUS and TACACS+ are two network protocols used to verify user identities and control access to network devices and services, with different approaches to security and flexibility.
Term 854
RAID 1 is a data storage method that creates an exact copy of data on two or more drives so that if one fails, your information is safe.
Term 855
RAID 5 is a disk array configuration that uses block-level striping with distributed parity to provide fault tolerance and good read performance while using storage space efficiently.
Term 856
RAID (Redundant Array of Independent Disks) levels are different configurations that combine multiple hard drives or SSDs to improve performance, reliability, or both.
Term 857
Ransomware is a type of malicious software that encrypts a victim's files or locks them out of their system, demanding payment, usually in cryptocurrency, to restore access.
Term 858
A Rapid Security Response is an emergency software patch from Apple that fixes critical security flaws in iOS, iPadOS, macOS, and other Apple operating systems without requiring a full system update.
Term 859
Amazon Relational Database Service (RDS) is a managed service that makes it easy to set up, operate, and scale a relational database in the cloud without needing to manage the underlying server or software.
Term 860
Records management is the systematic control of an organization's records, from creation or receipt through processing, distribution, maintenance, storage, retrieval, and disposal, ensuring integrity, compliance, and availability.
Term 861
Recovery is the process of restoring systems, data, and operations after a security incident, failure, or disaster to return to normal functioning.
Term 862
A recovery key is a unique code or physical device used to regain access to an encrypted system or account when the primary authentication method, such as a password or biometric, is lost or unavailable.
Term 863
A hidden section on a computer's hard drive that contains the files needed to restore the operating system to its factory state.
Term 864
Recovery point objective (RPO) is the maximum acceptable amount of data loss measured in time, determining how frequently backups must be taken.
Term 865
A Recovery Services vault is a secure storage container in Microsoft Azure that holds backup data and replication settings for virtual machines, databases, and other cloud resources, enabling you to restore them if something goes wrong.
Term 866
Recovery time objective (RTO) is the maximum acceptable time that an IT system can be offline after a failure before the business is severely impacted.
Term 867
A red team is a group of security professionals who simulate real-world attacks on an organization's systems, people, and facilities to test the effectiveness of its defenses.
Term 868
Red-Green-Blue (RGB) is a color model that combines red, green, and blue light to create a wide range of colors, primarily used in digital displays and imaging systems.
Term 869
Redirection is a mechanism that sends output or input from a command or program to a different destination, such as a file, another command, or a device, instead of the default screen or keyboard.
Term 870
A trusted, always-active component of a computer's operating system that enforces security policies by checking every access request to files, memory, or devices before allowing it.