Computer Networks

Transport layer aggregates data from different applications into a single stream before passing it to ____________

• Network Layer

• Data Link Layer

• Application Layer

• Physical Layer

Transmission control protocol ___________ .

• is a connection-oriented protocol

• uses a three way handshake to establish a connection

• receives data from application as a single stream

• all of the mentioned

An endpoint of an inter-process communication flow across a computer network is called __________.

• Socket

• Pipe

• Port

• Machine

Which one of the following is a version of UDP with congestion control?

• Data Congestion Control Protocol

• Steam Control Transmission Protocol

• Structured Stream Transport

• User Congestion Control Protocol

Which network topology requires a central controller or hub?

• Mesh

• Ring

• Star

• Bus

Data communication system within a building or campus is________

• WAN

• LAN

• MAN

• PAN

Which of the following tasks is not done by data link layer?

• Framing

• Error Control

• Flow Control

• Channel Coding

Automatic repeat request error management mechanism is provided by ________

• logical link control sublayer

• media access control sublayer

• network interface control sublayer

• application access control sublayer

Which of the following is the multiple access protocol for channel access control?

• CSMA/CD

• CSMA/CA

• Both CSMA/CD & CSMA/CA

• HDLC

The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

• network layer

• physical layer

• transport layer

• application layer