CN Layers and Mediums CSE D

Which layer in the OSI model is responsible for routing packets across different networks?

• Data Link
• Network
• Physical
• Transport

In TCP/IP model, which layer is responsible for providing end-to-end communication?

• Internet
• Application
• Transport
• Link

The main function of the Data Link layer in OSI is to:

• Provide end-to-end connectivity
• Frame data and handle error detection
• Provide user interface
• Assign logical addresses

Which protocol is commonly used at the Internet Layer of TCP/IP?

• UDP
• IP
• HTTP
• FTP

Which layer of OSI is concerned with syntax and semantics of transmitted data?

• Presentation
• Application
• Network
• Physical

The OSI model was developed by which organization?

• IEEE
• ISO
• IETF
• ANSI

Which statement is TRUE about TCP/IP and OSI models?

• OSI model has fewer layers than TCP/IP
• Both models have a Presentation layer
• TCP/IP is a protocol-oriented standard
• OSI is more practical than TCP/IP

Which of the following is a guided transmission medium?

• Radio waves
• Fiber-optic cable
• Microwave
• Infrared

What is the main function of a transmission medium?

• To encode data
• To carry information from source to destination
• To filter noise
• To assign IP addresses

What is the primary advantage of twisting the wires in a twisted-pair cable?

• Reduce wire cost
• Nullify external interference/noise
• Increase cable length
• Increase weight