Data Communication & Networking Quiz

What does the Physical Layer provide?

• Dialog control and synchronization

• Process to process delivery of messages

• Standardized interface to physical transmission media

• Error detection and correction mechanisms

What is the main responsibility of the Data Link Layer?

• Transmission of packets from source to destination

• Error detection and correction

• Translation, compression, and encryption

• Providing access to network resources

Which layer is responsible for logical addressing?

• Transport Layer

• Network Layer

• Data Link Layer

• Physical Layer

What does the Transport Layer use to identify processes?

• Frame Number

• Physical Address

• Port Address

• IP Address

What is the main function of the Session Layer?

• Data compression

• Error control

• Dialog control and synchronization

• Data transmission

What does the Presentation Layer perform?

• Error detection

• Flow control

• Translation, compression, and encryption

• Routing of packets

Which layer is responsible for the transmission of bits from one hop to the next?

• Data Link Layer

• Network Layer

• Physical Layer

• Transport Layer

What is the purpose of flow control in the Data Link Layer?

• To compress data

• To route packets

• To ensure data is sent at a manageable speed

• To encrypt data

What does the term 'Framing' refer to in the Data Link Layer?

• Dividing data into packets

• Dividing data into frames

• Encoding data into signals

• Transmitting data over the network

What is the main responsibility of the Network Layer?

• Process to process delivery

• Data compression

• Transmission of packets from source to destination

• Error detection and correction