Networking Unit 1 Part 1 Review

What is the OSI Model primarily used for?

• A tool to visualize how data moves on a network

• A method to encrypt data

• A framework for software development

• A protocol for wireless communication

How many layers does the OSI Model have?

• 5

• 6

• 7

• 8

Which organization controls the OSI Model?

• International Standards Organization

• World Health Organization

• International Monetary Fund

• United Nations

Which layer of the OSI Model is responsible for data presentation?

• Application

• Presentation

• Session

• Transport

What is the primary concern of the Physical Layer in networking?

• Managing data encryption

• Signal propagation from "here" to "there"

• Establishing session connections

• Handling application protocols

How are the binary values 1 and 0 expressed in the Physical Layer?

• Through software algorithms

• Using light, voltage, or radio waves

• By data compression techniques

• Via application interfaces

Which layer of the OSI model is the Physical Layer?

• Layer 3

• Layer 5

• Layer 1

• Layer 7

What is the primary function of the Data Link Layer in networking?

• It encrypts data for secure transmission.

• It makes sense of pulses, the 1s and 0s.

• It routes data between different networks.

• It manages end-to-end data delivery.

Which layer of the OSI model is responsible for recombining pulses into collections of data?

• Application Layer

• Transport Layer

• Data Link Layer

• Physical Layer

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

• Data encryption and decryption

• Addressing, routing, and path finding

• Error detection and correction

• Data compression