CREST Practitioner Security Analyst (CPSA) 2025 – 400 Free Practice Questions to Pass the Exam

The correct choice reflects that Windows NT 4.0 itself is included in the list. This version of the Windows operating system was released by Microsoft in 1996 and is an essential part of the lineage of Windows operating systems, particularly in how it laid the foundation for both server and desktop environments.

Each of the other options represents a different version of Windows that was released after NT 4.0. Windows XP, for example, was released in 2001 and built upon the NT architecture but introduced significant changes and enhancements. Similarly, Windows Server 2003, which came out in 2003, is an evolution of Windows 2000 Server and serves a distinct purpose tailored to server environments, not as a direct inclusion of NT 4.0. Windows Vista, released in 2007, further advanced features beyond those available in NT 4.0, continuing the trajectory of user interface and functionality improvements.

Thus, given this context, the identification of Windows NT 4.0 as one of the options validates its status as a standalone and foundational operating system within Microsoft’s lineup, which is why it is the correct answer here.