Definitions3 Flashcards
Web hosting
Is a serivice thst is provided by the company to users to create web-based applications, Example India.co.in
Web Server
Stores web document and responds to the requests made by the web browsers, Example Apache web server, Google Web Server
Web Browser
Is WWW client that navigates through the WWW and displays web pages- Example Chrome, Microsoft Edge
Website
Is a collection of several web pages which are related to each other through hyperlinks, example cbse.nic.in
IPv4
32-bit adressing scheme, as a series of 4 set of numbers, separated by periods, example 192.168.0.3
IPv6
128-bit adressing scheme, as a series of 8 set of hexadecimal digits separated by colon, example 2001:4d10:3240:198d:0000:8aa2e:0370:7334
URL
Stands for Uniform resourse locator that stores the address of a web page, example http://www.cbse.nin.in/academics.html
XML
Is a Markup Language for creating documents in a structured format. Users can create their own tags along with predefined tags already defined by HTML
HTML
Is a Markup Language that enables users to create web pages and format then using predefibed tags. Tags are called coded elements.
Popular video conferencing software
Google Meet Skype
Protocol for video Conferencing
H.323, SIP( Session Initiation Protocol)
VoIP
For transferring voice, voice over Internet protocol is used. The voice calls are first digitized, compressed and then fragmented into small packets, which are then relayed by Internet Protocol cross network. Services provided by VoIP are Phone to Phone, PC to Phone, fax to email, fax to fax, voice to email, toll-free number
IRC
Is used for chatting by sending and receiving text messages. The sender sends request to IRC server, which forwards this request to another client to communicate with each other.
HTTP
Is used to transfer all files and other data from one computer to another on the World Wide Web. This protocol is used to transfer hypertext documents over the inernet. It defines how the data is formatted and transmitted over the internet.
HTTPS
Same as def of HTTP adding that it is a protocol for securing communication between two systems (browser and web server). Prevents from hackers.
FTP
File transfer Protocol is used to transfer files from server sysem to requesting node, primarily for information sharing.
Protocol
Is a set of rules that giverns the network
Satellite Link
Geostationary satellites orbiting the Earth are used to deliver broadband internet service, similar to the way satellites are used for telivision and teleohone signals. These use microwaves for communication btn a satellite dish placed at our home and the hub of satellite internet service providers
Communication Media
Is a transmission media used for sending data or signal across the netwrok
Tree Topology
Is just like Parent-child relationship
Ring Topology
Each workstation is connected with the predecessor node as well as with the successor node, and thus forms a ring. Data is tranmitted in one diection. Token Ring is an example.
Mesh Topology
When there is a point to point link between each computer in a network, it forms a mesh topology
Topology
Is a way of connecting several devices with each other on a network.
Router
Is a networking device that helps in forwarding packets from one machine to another using the shortest path. For example, suppose data has been divided into packets of a certain size and these packets are to be carried over a different type of network which cannot handle bigger packets, in such case, the data is to be replaced as smaller packets and then sent over the network by a router
Switching technique
Circuit, Packet, Message; Add using TCP/IP protocolin between.
