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DCCN

Data Communication & Computer Network

Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices is established using either cable media or wireless media. The best-known computer network is the Internet. […]

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DCCN

Douglas County PUD The Douglas County Community Network (DCCN)

The Douglas County Community Network (DCCN) is an ultra-high-speed, broadband network originally designed for Douglas County PUD’s electric system. The network includes hundreds of miles of fiber-optic cables lit by cutting-edge Ethernet network equipment. This network enables Douglas PUD to safely and effectively monitor and control its electric system.  As an added benefit to the customer […]

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DCCN

Data Communication & Computer Networks (DCCN) Pdf Notes

——————— Here you can download the free lecture Notes of Data Communication and Computer Networks Pdf Notes – DCCN Notes pdf materials with multiple file links to download. The Data Communication and Computer Networks Notes Pdf – DCCN Pdf Notes book starts with the topics covering Communications, Multiplexing and Spreading, Block Coding, Backbone Networks, Logical Addressing, Process- to-Proccss Delivery, Network Management System, […]

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DCCN

Data Communication and Computer Network

[] Data Communication and Computer Network – DCCN Study Materials | PDF FREE DOWNLOADYou need to enable JavaScript to run this app. LectureNotes Home Engineering & Technologies Placement Preparation Discover More Upload LCA Course: B.Tech Home Course Data Communication And Computer Network All time popular Study Materials Course: B.TechGroup: Database Engineering Also Known as:Database Engineering, […]

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DCCN’2020

At least one author per accepted paper must pay the registration fee and present the paper in the conference online sessionwhere the paper is scheduled. You can download payment details via the following link: Registration fees are waived for invited keynote speakers. Please note, that once the registration payment is done, no refund is available. […]

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DCCN

Microsoft DCCN – Partner Digital Commerce & Campaign Network

Reach and attract customers with professionally created, dynamic web marketing delivered directly to your website – with no cost to participate! With DCCN, you can: Add content to your website in as little as 5 minutes. Plus download flyers, emails, videos and more. Increase demand by educating customers on new products, services and solutions offered […]

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DCCN

LAN MAN WAN

LAN MAN WAN:- 1. LAN : § A local area network (LAN) is usually privately owned and links the devices in a single office, building, or campus. § Currently, LAN size is limited to a few kilometers. 2. MAN : § A metropolitan area network (MAN) is a network with a size between a LAN […]

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DCCN

Connection Establishment in TCP

Connection Establishment In TCP:- Connection Establishmet in TCP, TCP transmits data in full-duplex mode. When two TCPs in two machines are connected, they are able to send segments to each other simultaneously. This implies that each party must initialize communication and get approval from the other party before any data are transferred. Three-Way Handshaking The […]

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DCCN

Process-to-process Communication

Process-to-process Communication The transport layer is responsible for process-to-process communication. Port Number : the port number defines one of the processes on this particular host lANA Ranges The lANA (Internet Assigned Number Authority) has divided the port numbers three ranges: well known, registered, and dynamic (or private) Well-known ports: The ports ranging from 0 to […]

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DCCN

Datagram

Datagram Packets in the IPv4 layer are called datagrams. A datagram is a variable-length packet consisting of two parts: header and data. The IPv4 datagram format is below. Version (VER) :  4-bit field defines the version of the IPv4 protocol.  Header length (HLEN) :  This 4-bit field defines the total length of the datagram header […]

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DCCN

IPV4

IPv4 The Internet Protocol version 4 (IPv4) is the delivery mechanism used by the TCP/IP protocols. IPv4 is an unreliable and connectionless datagram protocol. It provides no error control or flow control. IPv4 must be paired with a reliable protocol such as TCP. The Figure 20.4 shows the position of IPv4 in the suite. Data […]

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DCCN

Addressing mode

Four levels of addressing mode are used in an internet employing the TCP/IP protocols: physical (link) addresses, logical (IP) addresses, port addresses, and specific addresses. Relationship of layers and addresses in TCP/IP 1. Physical Addresses • The physical address, also known as the link address, is the address of a node as defined by its […]

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DCCN

TCP/ IP Protocol

TCP/IP protocol • The TCP IP protocol was developed prior to the OSI model. The layers in the TCP/ IP protocol suite do not exactly match those in the OSI model. The original TCP/IP protocol suite was defined as having four layers: host-to-network, internet, transport, and application. However, when TCP/IP is compared to OSI, we […]

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DCCN

Standards Organizations

Standards Organizations:- Standards organizations are developed through the cooperation of standards creation committees, forums, and government regulatory agencies. i)Standards Creation Committees:- While many organizations are dedicated to the establishment of standards, data telecommunications in North America rely primarily on those published by the following: 1.International Organization for Standardization (ISO). The ISO is a multinational body […]

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DCCN

OSI MODEL

OSI Model In the late 1970s, the ISO (International Standards Organization) introduced a network model named OSI model (Open Systems Interconnection). The purpose of the OSI model is to show how to facilitate communication between different systems without requiring changes to the logic of the underlying hardware and software. ISO is the organization. OSI is […]