CompTIA Project+ (PK0-005)Basics of IT and GovernanceMedium
A project involves integrating a new order processing system with an existing inventory database. The project team needs a standardized method for the two systems to communicate and exchange data reliably. Which IT infrastructure component is designed to facilitate this type of inter-system communication?
- AApplication Programming Interface (API)
- BDomain Name System (DNS)
- CVirtual Local Area Network (VLAN)
- DSimple Mail Transfer Protocol (SMTP)
Show answer & explanationAnswer & explanation
Correct answer: A. Application Programming Interface (API)
An Application Programming Interface (API) defines a set of rules and protocols for how software components should interact, enabling different systems to communicate and exchange data in a structured manner.
Why the other options are wrong
- B. DNS translates domain names to IP addresses, crucial for network communication but not for application-level data exchange.
- C. VLANs segment networks for security or performance, not for inter-application data exchange.
- D. SMTP is a protocol specifically for sending email, not for general system-to-system data integration.
Application Programming Interface (API)
A set of definitions and protocols for building and integrating application software. It specifies how software components should interact, providing a way for different applications to communicate with each other.
- Enables inter-system communication.
- Defines methods for requesting and exchanging data.
- Crucial for modern software integration and microservices.
Memory trick: API: Applications Partnering for Information.