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Network Protocols

Protocols

Network Protocols

Network protocols are sets of rules and procedures that govern the communication and interaction between devices in a computer network. They define how data is transmitted, received, formatted, addressed, and processed across a network.

Network protocols are required to ensure standardized communication, reliable data transmission, addressing and routing, error detection and correction, security, network management, interoperability, and support for specific applications and services within computer networks.

Standard Network Protocols Included in the Edexcel iGCSE Course Include:

  • Ethernet (IEEE 802.3)
  • Wi-Fi (IEEE 802.11)
  • Internet Protocol (IP)
  • Transmission Control Protocol (TCP)
  • Domain Name System (DNS)
  • Simple Mail Transfer Protocol (SMTP)
  • File Transfer Protocol (FTP)
  • Hypertext Transfer Protocol (HTTP)
  • Virtual Private Network (VPN)
  • Network File System (NFS)

Other common protocols not required in the Edexcel iGCSE Course include:

  • User Datagram Protocol (UDP)
  • Internet Control Message Protocol (ICMP)
  • Border Gateway Protocol (BGP)
  • Dynamic Host Configuration Protocol (DHCP)
  • Secure Shell (SSH)
  • Secure Sockets Layer (SSL) / Transport Layer Security (TLS)
  • Simple Network Management Protocol (SNMP)
  • Network Time Protocol (NTP)

 

Ethernet

Wifi Protocol

TCP/IP

HTTP(S)

FTP(S)

SMTP

POP3

IMAP

BitTorrent

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