CREST Practitioner Security Analyst (CPSA) Practice

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What does the acronym NetBIOS stand for?

Network Basic Input/Output System
Network Basic Operating System
Network Binary Input/Output System
Network Binary Operating System

The correct answer is: Network Basic Input/Output System

The acronym NetBIOS stands for Network Basic Input/Output System. This term refers to a networking industry standard that allows applications on separate computers to communicate over a local area network (LAN). Initially developed for IBM PC Networking, NetBIOS provides services related to the session layer of the OSI model, enabling communication between devices by providing a set of networking protocols that allow programs to communicate within a local network. This option accurately captures the primary function and original design intent of NetBIOS, focusing on enabling input and output operations over a network, which was critical when networked computing was developing. Understanding this concept is fundamental for security analysts, as NetBIOS can be a vector for various network security vulnerabilities and attacks.