📚 CompTIA Cloud+ CV0-004 Acronym Reference

Definition: A set of rules that allows different software components to communicate.
Example: A cloud app uses the AWS S3 API to programmatically upload files to a bucket.

Definition: A policy allowing employees to use personal devices for work-related tasks.
Example: A cloud-based app supports BYOD, allowing employees to access CRM on personal smartphones.

Definition: Managing system configurations through code files rather than manual setup.
Example: CaC uses YAML files to define cloud resource configurations, like a Kubernetes cluster setup.

Definition: A text-based interface to interact with software and operating systems.
Example: An admin uses the AWS CLI to launch a new EC2 instance from a terminal.

Definition: Tools and strategies for managing a company’s interactions with customers.
Example: A cloud-based CRM like Salesforce tracks customer interactions for a sales team.

Definition: An organization that promotes best practices for secure cloud computing.
Example: CSA provides guidelines for securing cloud environments, followed by a CSP.

Definition: A company that offers cloud computing services like storage, compute, and networking.
Example: AWS, a CSP, offers compute and storage services for businesses.

Definition: A managed database offering where administration is handled by the provider.
Example: Amazon RDS, a DBaaS, manages a MySQL database with automated backups.

Definition: A strategy for restoring systems and data after a disruption or failure.
Example: A cloud DR plan replicates data to a secondary region to restore services after a failure.

Definition: A framework for protecting sensitive information, especially in regulated industries.
Example: PCI DSS ensures a cloud payment system securely handles credit card data.

Definition: A stack used for search, log analysis, and data visualization.
Example: ELK stack analyzes logs from cloud servers to detect performance issues.

Definition: A serverless computing model where functions run in response to events.
Example: AWS Lambda, a FaaS, runs a function to process uploaded images without managing servers.

Definition: Cloud-based computing resources like VMs, storage, and networks.
Example: Azure IaaS provides VMs and storage for a company’s web application.

Definition: Managing infrastructure using machine-readable configuration files.
Example: Terraform, an IaC tool, deploys a cloud VPC with scripted configurations.

Definition: A company that provides users with Internet access.
Example: An ISP like Comcast provides connectivity to access a cloud application.

Definition: A framework for IT service management best practices.
Example: ITIL processes guide incident management for a cloud service outage.

Definition: A lightweight data-interchange format used in APIs and config files.
Example: A cloud API returns configuration data in JSON format for a client app.

Definition: A branch of AI that enables systems to learn from data and improve automatically.
Example: A cloud ML model predicts user behavior based on data stored in a cloud database.

Definition: A database type designed for flexible schemas and large-scale data.
Example: MongoDB, a NoSQL database, stores unstructured data for a cloud app.

Definition: The software that manages hardware and software resources on a machine.
Example: A cloud VM runs a Linux OS to host a web server.

Definition: A cloud computing model that provides a ready-to-use platform for application development.
Example: Google App Engine, a PaaS, hosts a web application without managing underlying servers.

Definition: An architecture style for designing networked applications using HTTP requests.
Example: A cloud app uses a REST API to retrieve user data with HTTP GET requests.

Definition: A protocol that allows a program to execute a procedure on another address space.
Example: A cloud service uses RPC to execute a function on a remote server as if it were local.

Definition: A cloud-based software distribution model hosted and maintained by a provider.
Example: Google Workspace, a SaaS, provides cloud-based email and productivity tools.

Definition: A collection of software tools and libraries for building applications.
Example: The AWS SDK for Python allows developers to interact with cloud services programmatically.

Definition: A protocol for exchanging structured XML data in web services.
Example: A cloud service uses SOAP to exchange structured XML data with a legacy system.

Definition: A language used to manage and query data in relational databases.
Example: A cloud database uses SQL to query customer records in a relational database.

Definition: A standard for connecting peripherals to a computer or device.
Example: A USB device is used to transfer configuration files to a cloud-connected device.

Definition: A physically separate data center within a cloud region to ensure redundancy and availability.
Example: An AWS application is deployed across two AZs (us-east-1a and us-east-1b) for high availability.

Definition: A routing protocol used to exchange routing information between different networks.
Example: BGP is used to route traffic between a cloud provider’s data centers and an on-premises network.

Definition: A system of distributed servers that deliver web content to users based on their geographic location.
Example: A CDN like Cloudflare caches a website’s static content in edge locations to reduce latency for global users.

Definition: A network protocol that automatically assigns IP addresses to devices.
Example: A cloud VPC uses DHCP to automatically assign IP addresses to new virtual machines.

Definition: A hierarchical system for resolving domain names to IP addresses.
Example: A cloud-hosted website uses DNS to resolve example.com to its server’s IP address (e.g., 172.16.0.1).

Definition: A protocol used to send error messages and operational information.
Example: ICMP is used by the ping command to test connectivity between a cloud server and a client.

Definition: The method by which data is sent from one computer to another on the Internet.
Example: A cloud VM is assigned a private IP (10.0.0.5) within a VPC for secure communication.

Definition: A performance metric for measuring storage system speed.
Example: A cloud database is configured with 10,000 IOPS to handle high transaction rates.

Definition: A network that connects computers within a limited area, such as a single data center.
Example: A cloud-based virtual LAN connects multiple VMs within a single data center for internal communication.

Definition: A method of mapping private IP addresses to public IP addresses.
Example: A NAT gateway in a VPC allows private VMs to access the internet without exposing their IP addresses.

Definition: A hardware component that connects a computer to a network.
Example: A cloud VM uses a NIC to connect to a VPC for network communication.

Definition: A protocol for clock synchronization between computer systems over networks.
Example: A cloud server synchronizes its clock with an NTP server to ensure accurate logging.

Definition: An approach to network management that enables dynamic and programmatic configuration.
Example: SDN allows dynamic reconfiguration of a cloud network to prioritize traffic for a critical application.

Definition: A logical subnetwork that groups devices from different physical LANs.
Example: A VLAN segments a cloud network to isolate database traffic from web server traffic.

Definition: A secure network tunnel over the internet that encrypts data between endpoints.
Example: A VPN connects an on-premises network to a cloud VPC for secure data transfer.

Definition: A private, isolated section of the cloud where users can launch resources in a defined network.
Example: An AWS VPC isolates a company’s cloud resources in a private network with a CIDR block like 10.0.0.0/16.

Definition: A virtualized network interface assigned to a VM to enable network connectivity.
Example: A vNIC is attached to a cloud VM to enable communication with other VMs in a VPC.

Definition: A traditional spinning disk storage device used for long-term data retention.
Example: A cloud server uses an HDD for cost-effective storage of archival data.

Definition: An identifier used to designate individual devices in a storage system.
Example: A SAN assigns a LUN to a specific storage volume for a cloud database.

Definition: A storage system that provides file-level data access over a network.
Example: A NAS device in a cloud environment provides file-level storage for shared documents.

Definition: A protocol for accessing high-speed storage media like SSDs over PCIe.
Example: NVMe SSDs are used in a cloud database for low-latency, high-speed storage access.

Definition: A data storage technique that combines multiple drives for redundancy or performance.
Example: RAID 5 is configured in a cloud storage system to provide redundancy and performance.

Definition: A high-speed network that provides block-level storage to servers.
Example: A SAN provides block-level storage for a cloud-hosted database with high IOPS requirements.

Definition: A type of storage device that uses flash memory for fast data access.
Example: An SSD is used in a cloud VM for faster boot times and application performance.

Definition: A software-based emulation of a physical computer that runs an OS and apps.
Example: A VM running Ubuntu on a cloud hypervisor hosts a web application.

Definition: A unit of processing capacity allocated to a virtual machine.
Example: A cloud VM is allocated 4 vCPUs to handle compute-intensive tasks like data processing.

Definition: A technology that delivers desktop environments to end-users over a network.
Example: VDI provides employees with cloud-hosted virtual desktops for remote work.

Definition: A set of rules used to control network traffic and restrict access to resources.
Example: In a cloud environment, an ACL might be configured on a VPC to allow only specific IP addresses (e.g., 192.168.1.0/24) to access a web server on port 80.

Definition: A symmetric encryption algorithm used to secure data.
Example: A cloud storage service uses AES-256 to encrypt data at rest in an S3 bucket.

Definition: A framework for managing user identities and access privileges.
Example: AWS IAM allows an admin to grant a developer read-only access to an S3 bucket.

Definition: A security solution that monitors traffic for signs of malicious activity.
Example: A cloud-based IDS detects and alerts admins about repeated failed login attempts.

Definition: A proactive security system that blocks identified threats.
Example: An IPS in a cloud firewall blocks incoming traffic from a known malicious IP.

Definition: A list of publicly known cybersecurity vulnerabilities.
Example: CVE-2023-12345 identifies a flaw in a cloud service requiring a patch.

Definition: A standardized way to rate the severity of security vulnerabilities.
Example: A vulnerability with a CVSS score of 9.8 is marked as critical and patched immediately.

Definition: A list of common software security weaknesses.
Example: CWE-79 highlights cross-site scripting issues found in a cloud web app.

Definition: A system to prioritize software weaknesses based on risk.
Example: CWSS scores help prioritize which cloud API vulnerabilities to fix first.

Definition: Technologies that detect and prevent sensitive data from being leaked or misused.
Example: A DLP system blocks unauthorized uploads of customer data to personal cloud storage.

Definition: A legal framework for data protection and privacy in the EU.
Example: A cloud provider ensures GDPR compliance by encrypting EU customer data and managing consent.

Definition: A security system requiring multiple forms of verification.
Example: A user logs into a cloud console with a password and a code sent to their phone.

Definition: An open standard for token-based access delegation.
Example: A cloud app uses OAuth 2.0 to allow login with Google credentials without sharing passwords.

Definition: An identity layer on top of OAuth 2.0 for authentication.
Example: OIDC lets a cloud app verify user identity via Microsoft Azure AD.

Definition: A set of standards for securing card transactions and data.
Example: A cloud-based e-commerce platform encrypts credit card data to comply with PCI DSS.

Definition: An XML-based framework for single sign-on (SSO).
Example: SAML lets users access cloud apps like Salesforce and Box with a single login.

Definition: A compliance standard for cloud service providers focused on security and privacy.
Example: A cloud provider undergoes a SOC 2 audit to prove it securely handles client data.

Definition: A protocol for encrypting data transferred between systems.
Example: A cloud-hosted website uses SSL to encrypt user data in transit.

Definition: The successor to SSL, used to secure communication over the internet.
Example: TLS 1.3 encrypts traffic between a cloud API and user applications.

Definition: A user authentication process that permits access to multiple applications with one login.
Example: SSO lets users access cloud-based email, HR, and project tools with one login.

Definition: A security tool that filters and monitors HTTP traffic to and from a web app.
Example: A WAF protects a cloud-hosted application from SQL injection attacks.

Definition: A registry and certification from the Cloud Security Alliance.
Example: A cloud provider achieves CSA STAR certification to demonstrate strong cloud security practices.

Definition: Automates the process of testing, integrating, and deploying code changes.
Example: A DevOps team uses a CI/CD pipeline in Jenkins to automatically test and deploy code changes to a production environment without manual intervention.

Definition: The four basic operations of persistent storage.
Example: A web application allows users to create, view, update, and delete their account information stored in a cloud database.

Definition: A specialized processor designed to accelerate graphics and compute-intensive tasks.
Example: A cloud machine equipped with a GPU is used to train deep learning models much faster than a CPU-only machine.

Definition: The main processor that performs general-purpose computations in a system.
Example: A cloud server allocates 8 CPU cores to process complex computations.

Definition: The protocol used for transferring web content over the Internet.
Example: A cloud web app uses HTTP to serve web pages to users’ browsers.

Definition: The largest size packet or frame that can be sent in a network transmission.
Example: A cloud network sets an MTU of 1500 bytes to optimize packet size for performance.

Definition: A responsibility assignment matrix used in project management.
Example: A RACI matrix defines who is responsible for maintaining a cloud backup system.

Definition: Temporary storage that holds data for active processes.
Example: A cloud VM is allocated 16 GB of RAM to handle memory-intensive tasks.

Definition: A Microsoft protocol that allows users to connect to another computer over a network.
Example: RDP allows users to remotely manage a Windows-based cloud server.

Definition: The maximum acceptable amount of data loss measured in time.
Example: A cloud backup system with an RPO of 1 hour ensures minimal data loss during recovery.

Definition: The targeted duration to restore a system after a disruption.
Example: A cloud DR plan sets an RTO of 4 hours to restore services after an outage.

Definition: A package management system used in Red Hat-based Linux distributions.
Example: An RPM package installs a software update on a cloud-based CentOS server.

Definition: A protocol for streaming audio, video, and data over the Internet.
Example: RTMP streams live video from a cloud server to a streaming platform.

Definition: A protocol for securely accessing remote computers over a network.
Example: An admin uses SSH to securely log into a cloud Linux server for maintenance.

Definition: A connection-oriented protocol that ensures reliable data transfer between systems.
Example: TCP ensures reliable data transfer between a cloud app and a client over port 443.