3 Written questions
2 Multiple choice questions
- Determines how data are transferred between network devices. Routes packets according to unique network device addresses. Provides flow and congestion control to prevent network resource depletion.
- Manages user sessions and dialogues. Controls the establishment and termination of logic links between users. Reports upper layer errors.
2 True/False questions
Layer 2: Data Link Layer → Defines procedures for operating the communication links. Frames packets. Detects and corrects packets transmit errors.
Layer 6: Presentation Layer → Masks the differences of data formats between dissimilar systems. Specifies architecture-independent data transfer format. Encodes and decodes data; encrypts and decrypts data; compresses and decompresses data.