What are the layers of the OSI model? (Select all correct answers)

• Protocol Layer

• Transport Layer

• Navigation Layer

• Conversion Layer

• Presentation Layer

What is the main function of the Application Layer in the OSI model? (Select all correct answers)

• Provide network services to user applications.

• Control the flow of data between devices.

• Protect the integrity of transmitted data.

• Facilitate communication between programs on different devices.

What function does the Transport Layer perform in the OSI model? (Select all correct answers)

• Ensure complete and correct delivery of data.

• Establish communication sessions between applications.

• Control the segmentation and reassembly of data.

• Provide logical addressing.

What is the purpose of the OSI model in the context of networks? (Select all correct answers)

• To standardize communication between different systems and devices.

• To define specific network protocols.

• To facilitate troubleshooting in network communication.

• To ensure the security of transmitted data.

What is the definition of a switch in networks? (Select all correct answers)

• A device that connects multiple devices in a local area network (LAN).

• A device that converts digital signals to analog signals.

• A device that filters and forwards data to specific devices in a network.

• A device that acts as a point of access to the Internet.

What is the main function of a switch in a network? (Select all correct answers)

• Facilitate communication between devices in a local area network.

• Increase Internet connection speed.

• Learn the MAC addresses of connected devices.

• Protect the network against unauthorized access.

What type of switch allows for advanced configuration and management? (Select all correct answers)

• Unmanaged switch

• Managed switch

• Layer 2 switch

• Layer 3 switch

How does a switch improve the efficiency of a network? (Select all correct answers)

• By redirecting traffic only to the destination device.

• By dividing collisions in the network using collision domains.

• By offering data encryption capabilities.

• By providing IP connectivity to hosts in a segmented manner.

Which of the following statements about switches is correct? (Select all correct answers)

• A switch operates at Layer 2 of the OSI model, although some advanced models operate at Layer 3.

• Switches are network devices that are always slower than hubs.

• Switches can segment a network to improve performance.

• Switches cannot work with wireless networks.

What is the definition of a router in networks? (Select all correct answers)

• A device that connects multiple networks together.

• A device that amplifies the network signal.

• A device that directs data traffic between networks.

• A device that provides IP addresses to devices in a network.