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CompTIA A+ Core 2 220-1202/Acronyms/Part 26

Acronym study

220-1102 Acronyms — Part 26 of 32

Terms 751–780 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 25Part 26 of 32Part 27 →

Term 751

Security policy

A security policy is a formal set of rules and guidelines that an organization establishes to protect its information assets and technology resources.

Full entry →
Full Security policy glossary entry →

Term 752

Security posture

An organization's overall cybersecurity strength, including policies, controls, and readiness to defend against and respond to threats.

Full entry →
Full Security posture glossary entry →

Term 753

Security recommendation

A security recommendation is a prescribed action, configuration, or update that aims to reduce risk and protect systems, data, and users from known threats or vulnerabilities.

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Full Security recommendation glossary entry →

Term 754

Security strategy

A security strategy is a high-level plan that outlines how an organization protects its information assets, aligns security with business goals, and manages risk over time.

Full entry →
Full Security strategy glossary entry →

Term 755

Security update

A security update is a software patch released to fix a vulnerability that could be exploited by attackers to compromise a system.

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Full Security update glossary entry →

Term 756

Self-monitoring Analysis and Reporting Technology

Self-monitoring Analysis and Reporting Technology (SMART) is a monitoring system built into hard drives and solid-state drives that detects and reports on various indicators of drive reliability to predict potential failures before they occur.

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Full Self-monitoring Analysis and Reporting Technology glossary entry →

Term 757

SELinux

SELinux (Security-Enhanced Linux) is a mandatory access control (MAC) security mechanism built into the Linux kernel that enforces policies to restrict how processes and users interact with files, devices, and system resources.

Full entry →
Full SELinux glossary entry →

Term 758

Sender Policy Framework

Sender Policy Framework (SPF) is an email authentication method that prevents spammers from sending emails that appear to come from your domain by listing which servers are allowed to send email for that domain.

Full entry →
Full Sender Policy Framework glossary entry →

Term 759

Sensitivity label

A sensitivity label is a metadata tag applied to digital content that classifies the content's level of confidentiality and governs how it can be shared, protected, and accessed.

Full entry →
Full Sensitivity label glossary entry →

Term 760

Separation of duties

Separation of duties is a security principle that splits critical tasks and privileges among multiple people to prevent fraud, errors, and abuse of power.

Full entry →
Full Separation of duties glossary entry →

Term 761

Serial Advanced Technology Attachment

Serial Advanced Technology Attachment (SATA) is a computer bus interface used to connect storage devices like hard drives and solid-state drives to a computer's motherboard.

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Full Serial Advanced Technology Attachment glossary entry →

Term 762

Serial Attached SCSI

Serial Attached SCSI (SAS) is a fast, reliable interface used to connect and transfer data between hard drives or SSDs and a computer system, commonly found in enterprise servers.

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Full Serial Attached SCSI glossary entry →

Term 763

Serial Communications D-Shell Connector 9 pins

A 9-pin D-shaped connector used for serial communication between devices like computers, modems, and networking equipment.

Full entry →
Full Serial Communications D-Shell Connector 9 pins glossary entry →

Term 764

Serverless

Serverless is a cloud computing model where the cloud provider manages the servers, and you only pay for the actual compute time your code uses, without having to worry about provisioning or maintaining infrastructure.

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Full Serverless glossary entry →

Term 765

Serverless computing

Serverless computing is a cloud execution model where the cloud provider dynamically manages the allocation and provisioning of servers, allowing developers to write and deploy code without thinking about the underlying infrastructure.

Full entry →
Full Serverless computing glossary entry →

Term 766

Serverless function

A serverless function is a single-purpose piece of code that runs in the cloud only when triggered, without you managing any servers.

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Full Serverless function glossary entry →

Term 767

Serverless security

Serverless security is the practice of protecting applications that run on serverless computing platforms, where the cloud provider manages the infrastructure and the customer is responsible for securing the code, data, and access controls.

Full entry →
Full Serverless security glossary entry →

Term 768

Service account

A service account is a special type of account used by an application or a virtual machine, rather than a human user, to authenticate and interact with cloud services and APIs securely.

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Full Service account glossary entry →

Term 769

Service Control Policy

A Service Control Policy (SCP) is a centralized governance tool in AWS Organizations that allows you to define and enforce maximum permissions for all accounts in an organization, acting as a security guardrail that limits what actions principals can perform.

Full entry →
Full Service Control Policy glossary entry →

Term 770

Service failure

A service failure is an interruption or degradation of a software application, system, or network component that prevents it from delivering its intended function to users or other systems.

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Full Service failure glossary entry →

Term 771

Service Health

Service Health is a monitoring feature in Microsoft 365 and Azure that provides real-time and historical status of cloud services, including outages, advisories, and incidents.

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Full Service Health glossary entry →

Term 772

Service principal

A service principal is an identity created for an application or automated tool to access cloud resources securely without using a human user account.

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Full Service principal glossary entry →

Term 773

Service Trust Portal

The Service Trust Portal is a Microsoft website that gives IT professionals and auditors access to compliance documentation, audit reports, and security information about Microsoft cloud services.

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Full Service Trust Portal glossary entry →

Term 774

Services console

A management interface in network operating systems or cloud platforms that provides centralised control over system services and daemons.

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Full Services console glossary entry →

Term 775

Settings app

The Settings app is the central graphical interface in Windows and other operating systems that lets users view and change system configurations, manage hardware, update software, and control user preferences.

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Full Settings app glossary entry →

Term 776

sFlow

sFlow is a network monitoring technology that samples packets and exports traffic statistics to a central collector for analyzing network performance and security.

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Full sFlow glossary entry →

Term 777

SFTP

SFTP (Secure File Transfer Protocol) is a network protocol that provides secure file transfer over SSH, encrypting both commands and data.

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Full SFTP glossary entry →

Term 778

SGID

SGID stands for Set Group ID, a Unix/Linux file permission that allows a process or executable to run with the group privileges of the file's group owner, not the user who runs it.

Full entry →
Full SGID glossary entry →

Term 779

Shared access

Shared access is a permission model where multiple users, systems, or services are granted common access rights to a resource such as a file, database, network drive, or cloud storage.

Full entry →
Full Shared access glossary entry →

Term 780

Shared resources

Shared resources are computing assets like storage, memory, or network bandwidth that multiple users or systems can access simultaneously from a common pool.

Full entry →
Full Shared resources glossary entry →
← Part 25Part 27 →

Acronym parts

Part 1Part 2Part 3Part 4Part 5Part 6Part 7Part 8Part 9Part 10Part 11Part 12Part 13Part 14Part 15Part 16Part 17Part 18Part 19Part 20Part 21Part 22Part 23Part 24Part 25Part 26currentPart 27Part 28Part 29Part 30Part 31Part 32

Study resources

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