Net+ Ch2 - test

What is the purpose of the Presentation layer in the layered approach?

• To manage logical device addressing

• To ensure data integrity and error recovery

• To translate and format data for communication

• To establish virtual connections between hosts

What is the role of acknowledgements in data transfer?

• To ensure data is not corrupted or lost

• To establish logical connections between hosts

• To manage flow control between computers

• To translate messages into bits for transmission

Which layer in the OSI reference model manages logical device addressing?

• Physical layer

• Network layer

• Data link layer

• Transport layer

What is the responsibility of the session layer in the layered approach?

• To send and receive bits

• To establish virtual circuits

• To manage flow control between computers

• To segment and reassemble data

What does the physical layer specify in the layered approach?

• Electrical, mechanical, procedural, and functional requirements

• Logical device addressing and data movement

• Data translation and code formatting

• Error notification and network topology

What is the role of the data link layer in the layered approach?

• To manage logical device addressing

• To establish virtual connections between hosts

• To ensure data integrity and error recovery

• To deliver messages to the proper device on a LAN

What does the transport layer do in the layered approach?

• Segments and reassembles data into a data stream

• Manages logical device addressing

• Translates messages into bits for transmission

• Provides end-to-end transport services

What is the purpose of modulation techniques in communication?

• To manage flow control between computers

• To establish virtual circuits

• To convert digital data into analog signals

• To transfer multiple signals over a common path

What are the advantages of using reference models like OSI?

• Allows different network vendors to operate together smoothly

• Divides network communications processes into small components

• Encourages industry standardization of network components

• Enables communication between different types of network hardware

What is the role of the application layer in the layered approach?

• To manage logical device addressing

• To establish virtual connections between hosts

• To coordinate partnering applications and control data

• To send and receive bits