iSACA Cybersecurity Fundamentals Certification Practice Exam

Which layer of the OSI model is responsible for coordinating and managing user connections?

1. Session Layer

2. Transport Layer

3. Network Layer

4. Application Layer

The correct answer is: Session Layer

The correct choice is the Session Layer, which plays a crucial role in establishing, maintaining, and terminating connections between applications. Its primary function is to manage the dialog between the two communicating systems, allowing for controlled communication, synchronization, and error recovery. The Session Layer is responsible for coordinating and managing user connections by setting up sessions where two devices can communicate. This includes handling the initiation and closing of sessions, maintaining the session state, and ensuring that data flows smoothly between the connected users during the duration of the session. In contrast, other layers have different responsibilities: the Transport Layer ensures complete data transfer and manages error recovery and flow control; the Network Layer is involved in routing packets over networks; while the Application Layer serves as the user interface and enables application services. Each layer has distinct functions, and the Session Layer specifically focuses on managing the connections necessary for sustained communication.