Networking Theory Questions

Which layer of the OSI model is responsible for reliable communication between two devices?

• Physical Layer

• Transport Layer

• Data Link Layer

• Network Layer

Which medium is most commonly used for high-speed data transmission in modern networks?

• Twisted-pair cable

• Coaxial cable

• Fiber optic cable

• Wireless radio waves

In which layer do protocols like TCP and UDP operate?

• Application Layer

• Transport Layer

• Network Layer

• Data Link Layer

Which type of IP address is used to identify a group of devices in a network?

• Unicast

• Multicast

• Broadcast

• Anycast

Which protocol provides flow control and error recovery features for reliable data transmission?

• UDP

• TCP

• ICMP

• ARP

A company needs to stream video data from servers to users. Which protocol is best suited for this application?

• UDP

• TCP

• ICMP

• HTTP

Which addressing scheme is used for broadcasting data to all devices in a local network?

• Multicast

• Unicast

• Broadcast

• Anycast

Which protocol is used to ensure delivery of data packets in correct order in a video conferencing system?

• UDP

• TCP

• ICMP

• SMTP

What is the primary function of the transport layer in a smart home network?

• Data encoding

• Data segmentation and reassembly

• Packet routing

• Access control

Which protocol helps avoid congestion in networks during data transmission?

• UDP

• TCP

• IPv4

• CSMA/CD