ARP Online Quiz

arp-quiz

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TCP 3-way Handshake Summary Cheatsheet

03. TCP 3WHS CheatSheet (gr) - ATech ( Waqas Karim )

PDF Download Link: TCP 3-way Handshake Model Cheatsheet    

Cloud Computing

Cloud Computing Atech Waqas Karim (4)

Cloud Computing is an approach to offer IT Services to customers remotely is called Cloud Computing. It is the practice of using IT & Network which are physically hosted in a remote location (mostly on the Internet) to store, manage and process data, rather than a local server or a personal computer. It is the delivery of hosted services over the internet. Simply, it is the technology of distributed data processing in which some scalable information resources and capacities are provided as a service to multiple external customers through Internet technology. Cloud computing is generally referred to the delivery of Read More …

IP Address & its Types

003. IP Address & its Types

“A unique identity number which is used to identify Network Devices & communication between these devices” IP Address is a logical numeric address that is assigned to every single computer, printer, switch, router or any other device that is part of a TCP/IP-based network. The IP address exists in every network, even only a pair of computers or a network of a large enterprise. Each computer, without exceptions, has its own unique IP-address, if there is a connection to the network. Each of the computers in the network is related to IP address. Moreover, there can not be two devices Read More …

TCP 3-way Handshake Process

TCP (Transmission Control Protocol) is “a Connection Oriented Transport Layer (Layer4) protocol for reliable communication between network devices” TCPv4 was published in RFC-793 in 1981 and is still the current version. TCP is a connection oriented full-featured transport layer protocol that provides all the functions needed by a typical application for the reliable transportation of data across an internetwork. TCP is a host-to-host protocol. TCP provides reliable communication with a mechanism called Positive Acknowledgement with Re-transmission(PAR) employing the 3-way Handshake.   3-way Handshake Process TCP uses a process called 3-way Handshake for reliable communication. In 3-way Handshake process, three TCP segments are Read More …