iOPEX Technologies Interview Questions, Process, and Tips

Internet is a global network of interconnected computers and servers that communicate with each other using standardized protocols.

• Internet is a network of networks

• Data is transmitted through packets

• Protocols like TCP/IP ensure reliable communication

• DNS translates domain names to IP addresses

• HTTP is used for web browsing

• Email uses SMTP and POP/IMAP protocols

• Encryption is used to secure data transmission

ISO layer refers to the seven-layered model for network communication.

• ISO layer is a model for network communication.

• It consists of seven layers, each with a specific function.

• The layers are: physical, data link, network, transport, session, presentation, and application.

• Each layer communicates with the layer above and below it.

• The model helps ensure compatibility and interoperability between different systems.

• For exam...read more