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Port 159 is commonly associated with the Directory Location Service. This service is utilized for directory assistance in identifying and locating resources within a network. It plays a significant role in various systems that require tracking of directory information.

While SQL Server operates on different ports (usually 1433 for the default instance), the identification of port 159 as connected to Directory Location Service highlights its specific function in network resources management. Understanding port assignments is crucial in cybersecurity as it helps security analysts monitor traffic and identify potential vulnerabilities or unauthorized access attempts related to these services.

Grasping the correct associations between ports and services can enhance an analyst's ability to secure and manage network environments effectively.