Network Administration Interview
Network Protocols Question(s) & Actual Evaluation
Please refer to the evaluation for more insight.
-
Classification: Network Administration
-
Topic(s): Network Protocols
Can you explain the OSI model and its layers in detail? How do they relate to network protocols?
Candidate's Answer:OSI model stands for open system interconnection is a model used for open system interconnection is a
AI Evaluation:Your answer to the interview question about the OSI model and its layers is incomplete and lacks the necessary detail and clarity. While you correctly identify the OSI model as a framework for network communication, the repetition in your phrasing does not convey a strong understanding of the topic.
The OSI (Open Systems Interconnection) model consists of seven layers, each serving a specific purpose in the network communication process:
1. Physical Layer: Transmits raw bit streams over a physical medium (e.g., cables, switches). Protocols: Ethernet, USB.
2. Data Link Layer: Handles error detection and correction from the physical layer. It facilitates node-to-node data transfer. Protocols: Ethernet, PPP (Point-to-Point Protocol).
3. Network Layer: Responsible for logical addressing and routing, ensuring data packets reach the correct destination across multiple networks. Protocols: IP (Internet Protocol).
4. Transport Layer: Provides reliable or unreliable delivery, error recovery, and flow control. Protocols: TCP (Transmission Control Protocol), UDP (User Datagram Protocol).
5. Session Layer: Manages sessions or connections between applications, allowing them to communicate over a network. Protocols: NFS (Network File System), RPC (Remote Procedure Call).
6. Presentation Layer: Translates data formats between the network and the application layer, handling encryption and compression. Protocols: JPEG, SSL (Secure Sockets Layer).
7. Application Layer: Closest to the end user, it provides network services directly to applications. Protocols: HTTP, FTP, SMTP.
To improve your answer, you should explain each layer and its significance clearly, link the concepts back to relevant network protocols, and maintain a cohesive structure.
Overall, I would rate your answer 1/5, as it did not effectively address the question. A clear, structured explanation with examples of protocols related to each OSI layer would demonstrate a much stronger understanding.