കമ്പ്യൂട്ടർ നെറ്റവർക്ക്കളുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ ഉൾപ്പെടുത്തിയിട്ടുള്ളത്.
- Data transmission rate of a communication channel is measured in
Bits per Second
- Computer network that used inside an office building or in a classroom
LAN (Local Area Network)
- Most common technologies used to build LAN
Ethernet and WiFi
- Computer network that spread over a city
MAN (Metropolitan Area Network)
- Example of MAN
Network used in cable TV
- Computer network that spans a large geographical area
WAN (Wide Area Network)
- Computer network that interconnects countries
WAN
- Biggest wide area network is
Internet
- Computer network that connecting personal devices
PAN (Personal Area Network)
- Internet protocol suite is commonly known as
TCP\IP
- TCP\IP stands for
Transmission Control Protocol\Internet Protocol
- TCP\IP came into being in the year
1982
- No of Layers in TCP\IP Model
4
- No of Layers in OSI Model
7
- Routers operate in which layer of OSI model
Network Layer
- Network which is known as international network
Internet
- Network which is considered as an ancient form of internet
ARPANET
- ARPANET was developed by
American department of defense
- Internet in India was started by
VSNL (Videsh Sanchar Nigam Limited)
- Commonly used internet access methods are
Dial-up, ISDN, DSL, Cable Modem
- Websites which helps to upload videos
YouTube, Facebook, Yahoo Video, My Video
- Country having the most number of internet users
China
- India’s position in no of internet users
Second
- Methode of protecting data by copying it from the original source to a different destination
Backup
- Technology used in the intranet to share information, hardware and other resources is
Internet Protocol Technology
- Network of computers within an organization which follows the same protocol as internet and provide the same service as internet
Intranet
- Closed online connection of two or more organizations
Extranet
- Device which acts as an analog to digital and digital to analog signal converter
Modem
- Device that helps to transmit signals through telephone lines
Modem
- Modem stands for
Modulator-demodulator
- Device which connects more than one computer together in a network
HUB
- Device that takes data comes from one channel and send to all other channels in the network
HUB
- Device known as concentrator
HUB
- ISP stands for
Internet Service Provider
- Example for Internet service provider
VSNL, Asianet, Reliance
- Medium that is used to transmit data at high speed over the internet in the form of light
Optical Fibre Cable
- Device that receives a signal and transmits it at a higher level or higher power
Repeater
- Device which enables movement of data from one network to another network
Router
- Device mounted on a communication satellite which receives, amplifies, retransmit signals from the earth station
Transponder
- Device using to routes between networks
Gateway
- Device which used to connect two segments of a LAN or two LAN
Bridge
- A short-range wireless technology used to connect and exchange information between devices
Bluetooth
- WiFi stands for
Wireless Fidelity
- Example of wireless local area network
WiFi
- WiMAX stands for
Worldwide Interoperability for Microwave Access
(To be Continued…)