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CompTIA A+ Core 2 220-1202/Acronyms/Part 17

Acronym study

220-1102 Acronyms — Part 17 of 32

Terms 481–510 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.

← Part 16Part 17 of 32Part 18 →

Term 481

Log retention

Log retention is the practice of storing log data for a defined period to meet security, compliance, and operational needs.

Full entry →
Full Log retention glossary entry →

Term 482

Log source

A log source is any system, device, or application that generates and records event data, such as timestamps and activities, for monitoring and security analysis.

Full entry →
Full Log source glossary entry →

Term 483

Low-level formatting

Low-level formatting is the process of physically structuring a hard drive by creating tracks and sectors on the magnetic platters so the drive can store data.

Full entry →
Full Low-level formatting glossary entry →

Term 484

MAC filtering

MAC filtering is a security practice that allows or denies network access to devices based on their unique Media Access Control (MAC) address.

Full entry →
Full MAC filtering glossary entry →

Term 485

Macie

Amazon Macie is a fully managed data security and privacy service that uses machine learning and pattern matching to discover, classify, and protect sensitive data stored in Amazon Web Services (AWS).

Full entry →
Full Macie glossary entry →

Term 486

macOS

macOS is the operating system that powers Apple's Mac computers, providing a graphical interface, system management, and security features for users and IT professionals.

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Full macOS glossary entry →

Term 487

Malware

Malware is any software intentionally designed to cause damage, disrupt operations, steal data, or gain unauthorized access to computer systems.

Full entry →
Full Malware glossary entry →

Term 488

Malware symptoms

Malware symptoms are the observable signs on a computer or network that indicate a malicious program may have infected the system, such as slow performance, unexpected pop-ups, or unusual network activity.

Full entry →
Full Malware symptoms glossary entry →

Term 489

MAM

Mobile Application Management (MAM) is a set of technologies and policies that allow IT administrators to manage and secure corporate applications on mobile devices without managing the entire device.

Full entry →
Full MAM glossary entry →

Term 490

Man-in-the-middle attack

A cyberattack where an attacker secretly intercepts and potentially alters communication between two parties who believe they are directly communicating with each other.

Full entry →
Full Man-in-the-middle attack glossary entry →

Term 491

Manageability

Manageability is the ease with which IT administrators can monitor, configure, update, and troubleshoot cloud resources and systems, often through centralized tools and automation.

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Full Manageability glossary entry →

Term 492

Managed Detection and Response

A cybersecurity service that continuously monitors an organization's network and systems to detect threats and respond to them quickly.

Full entry →
Full Managed Detection and Response glossary entry →

Term 493

Managed identity

A managed identity is an automatically managed service principal in Azure that allows your code to authenticate to any service that supports Azure AD authentication without storing credentials.

Full entry →
Full Managed identity glossary entry →

Term 494

Managed service

A managed service is an IT offering where a third-party provider takes full responsibility for maintaining, monitoring, and supporting a specific technology or system on behalf of a customer.

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Full Managed service glossary entry →

Term 495

Mandatory vacation

Mandatory vacation is a security control that requires employees to take a consecutive period of leave so that any unauthorized activities or irregularities in their work can be detected by others.

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Full Mandatory vacation glossary entry →

Term 496

Mapped drive

A mapped drive is a shortcut that assigns a drive letter to a shared folder on a network, making it appear as if it is a local storage device on your computer.

Full entry →
Full Mapped drive glossary entry →

Term 497

Maximum tolerable downtime

Maximum tolerable downtime (MTD) is the total amount of time a business process or system can be unavailable before causing irreparable harm to the organization.

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Full Maximum tolerable downtime glossary entry →

Term 498

MDM

MDM stands for Mobile Device Management, a technology that allows IT administrators to securely manage, monitor, and enforce policies on mobile devices like smartphones and tablets from a central console.

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Full MDM glossary entry →

Term 499

Measured service

Measured service is a cloud computing feature where the provider automatically tracks and controls resource usage, and customers pay only for what they consume, like a utility bill.

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Full Measured service glossary entry →

Term 500

Memorandum of Understanding

A Memorandum of Understanding (MOU) is a formal document that outlines the general terms and intentions of an agreement between two or more parties before a legally binding contract is signed.

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Full Memorandum of Understanding glossary entry →

Term 501

Memory leak

A memory leak happens when a program uses up system memory but never releases it, slowly eating away at available memory until the computer slows down or crashes.

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Full Memory leak glossary entry →

Term 502

Message center

A centralized dashboard within a software platform that displays system notifications, alerts, and messages about account status, security events, and service updates.

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Full Message center glossary entry →

Term 503

Metadata

Metadata is data that describes other data, providing context such as when a file was created, who created it, or its size.

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Full Metadata glossary entry →

Term 504

Metropolitan Area Network

A Metropolitan Area Network (MAN) is a network that connects multiple locations across a city or large campus, providing high-speed communication like a single large network.

Full entry →
Full Metropolitan Area Network glossary entry →

Term 505

MFA

Multi-Factor Authentication (MFA) is a security method that requires a user to verify their identity using two or more different types of evidence, such as a password plus a code from a phone, before they can access an account or system.

Full entry →
Full MFA glossary entry →

Term 506

Microsoft Defender

Microsoft Defender is a suite of security products that protects devices, data, and identities from cyber threats like malware, phishing, and unauthorized access.

Full entry →
Full Microsoft Defender glossary entry →

Term 507

Microsoft Defender for Endpoint

Microsoft Defender for Endpoint is a cloud-delivered enterprise-grade security platform that protects devices, servers, and networks from advanced cyber threats by combining antivirus, endpoint detection and response, and automated investigation and remediation.

Full entry →
Full Microsoft Defender for Endpoint glossary entry →

Term 508

Microsoft Defender for Office 365

Microsoft Defender for Office 365 is a cloud-based email and collaboration security service that protects organizations against malicious threats like phishing, malware, and spam in email messages and Office 365 apps.

Full entry →
Full Microsoft Defender for Office 365 glossary entry →

Term 509

Microsoft Defender XDR

Microsoft Defender XDR is a unified security platform that automatically correlates alerts from across an organization's endpoints, email, identities, and cloud apps to stop complex attacks.

Full entry →
Full Microsoft Defender XDR glossary entry →

Term 510

Microsoft Purview

Microsoft Purview is a unified data governance and compliance service that helps organizations discover, manage, and protect their data across on-premises, cloud, and hybrid environments.

Full entry →
Full Microsoft Purview glossary entry →
← Part 16Part 18 →

Acronym parts

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Study resources

All 220-1102 Acronyms→220-1102 Practice Tests→220-1102 Study Guide→Exam Domains→