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12 Questions

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Communication Protocols and Layers

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Questions and Answers

What is the main function of the Data Link Layer?

Determining the routing path for data packets

Segmenting data into smaller units for transmission

Error-free delivery of messages from one node to another (correct)

Identifying synchronization points in the data

Which layer helps in identifying errors and re-synchronizing data properly?

Session Layer (correct)

Transport Layer

Data Link Layer

Network Layer

In the context of the text, what does 'segmentation' refer to?

Determining the logical addressing scheme

Setting up routing protocols

Breaking data into smaller units for transmission (correct)

Error detection in data transmission

Which layer is responsible for logical addressing and routing path determination?

Network Layer Signup and view all the answers

Which layer of the OSI model is responsible for establishing, maintaining, and terminating sessions?

Session Layer (Layer 5) Signup and view all the answers

What is the primary function of the Presentation Layer in the OSI model?

Data translation and encryption/decryption Signup and view all the answers

In the OSI model, which layer is responsible for reducing the number of bits that need to be transmitted in order to improve data transmission speed?

Presentation Layer (Layer 6) Signup and view all the answers

Which layer in the OSI model facilitates authentication, connection establishment, and security maintenance?

Session Layer (Layer 5) Signup and view all the answers

What is the main purpose of error control in the Data Link layer?

To detect and retransmit damaged or lost frames Signup and view all the answers

Which layer is responsible for adding physical addresses (MAC address) to the frames?

Data Link layer Signup and view all the answers

What is the function of flow control in data communication?

To ensure a constant data rate on both sides Signup and view all the answers

Which layer of the OSI model is responsible for the synchronization of bits by providing a clock?

Physical layer Signup and view all the answers