200-901 Network Fundamentals Practice Question
In the OSI model, which layer is responsible for session management, including establishing, maintaining, and terminating connections between applications?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Layer 5 (Session)
The Session layer (Layer 5) manages sessions between applications. The Transport layer handles end-to-end communication.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Layer 4 (Transport)
Why it's wrong here
Transport layer provides reliable data transfer but not session management.
- ✗
Layer 7 (Application)
Why it's wrong here
Application layer provides network services to end-user applications.
- ✓
Layer 5 (Session)
Why this is correct
Session layer manages dialog control and session establishment.
- ✗
Layer 6 (Presentation)
Why it's wrong here
Presentation layer handles data formatting and encryption.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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