Computer Network Revision

Front

What is the function of TCP in computer networking?

Back

TCP is responsible for establishing and maintaining a connection between two devices on a network, ensuring that data packets are delivered in the correct order and without errors.

Front

Which protocol is used for sending emails?

Back

SMTP

Front

What is the purpose of DNS in internet technologies?

Back

The purpose of DNS is to translate domain names into IP addresses.

Front

What is the difference between TCP and UDP?

Back

TCP is connection-oriented and provides reliable data delivery, while UDP is connectionless and does not guarantee delivery.

Front

What is the role of a router in a computer network?

Back

The role of a router in a computer network is to forward data packets between different networks.

Front

What is the significance of OSI model in networking?

Back

The OSI model is significant in networking as it provides a framework for understanding how different networking protocols and technologies interact, and it helps in standardizing communication protocols and allows for interoperability between different network devices and systems.

Front

What is the difference between half-duplex and full-duplex transmission?

Back

The difference is that half-duplex allows for transmission in both directions but not at the same time, while full-duplex allows for simultaneous transmission in both directions.

Front

What is the purpose of HTTP in internet technologies?

Back

The purpose of HTTP in internet technologies is to facilitate the transfer of hypertext and other data between a client and a server on the World Wide Web.

Front

What is the function of a firewall in a computer network?

Back

The function of a firewall in a computer network is to monitor and control incoming and outgoing network traffic based on predetermined security rules, acting as a barrier between trusted and untrusted networks.

Front

What is the difference between a hub and a switch in networking?

Back

A hub operates at the physical layer and broadcasts data to all devices on the network, while a switch operates at the data link layer and forwards data only to the intended recipient.