Network components Flashcards
What are components in a network?
Hardware and software components make transferring data and easy communication possible between two devices.
What is a server?
A high-configuration computer acting as a central hub for services and resources in a network
Ex: print server, file server etc.
What is a client?
A device connected to a server in a client/sever network
What is a client?
A device connected to a server in a client/sever network
What are peers?
Computers that provide and receive services from other peers in a network.
What is transmission media?
Channel through which data is transferred between devices in a network, either physically (i.e. through wires) or through a wireless medium (microwaves, infrared waves, electromagnetic waves etc.)
What are Network Interface Cards (NICs)?
Cards without which a device cannot connect to the internet and is built into the motherboards of most computers.
Describe the two types of NICs.
Internal NIC: Installed in the motherboard through a slot and requires a cable. The two types are PCI (Peripheral Component Interconnect) and ICA (Industry Standard Architecture)
External NIC: For devices without an internal NIC, this includes the wireless, which is inserted into the motherboard and the USB based.
What is a hub?
A device that splits the network connection among multiple computers. When one device requests data from another device, the request is sent to the hub, which then transmits it to the whole network.
What is a switch?
It has more advanced features than a hub, and only transmits a request from one computer to the specified computer in the request.
What is a router?
Device that receives packet data, analyzes it and then forwards it to its destination device. Mainly seen as WiFi from which anyone can access the internet.
What are the two types of routers?
Broadband router: Connects devices to the internet. Also includes LAN/Ethernet parts, WAN parts and Phone Jacks
Wireless router: Used mainly at home, office or college and is very popular and useful
What is a modem?
Short for modulator/demodulator. Allows a device, such as a router to connect to the internet by modulation (converting a digital signal into an analog signal) or demodulation (the other way around). The speed of data transmission is modifiable and is measured in bytes per second.
What are the three types of modems?
External Modem
Internal Modem
Wireless Modem
What is a repeater?
A device that regenerates signals to keep the connection stable and strong for a long time.
