Networks And Internet Flashcards
What is a physical network
The sum of physical hardware parts that make up a network, including cables and routers.
Physical networks represent…
The computer network topology. Which includes;
*the computer devices
*location
*cable installation
Physical network includes…
the actual nodes
segments
and hosts
Name 6 basic hardware required for a network
- Internet service
- Wi-Fi enabled device
- Wireless access point
- Network switch
- PoE (Power of Ethernet)
- Firewall
Internet Service provider is
An organization that provides internet for accessing and using
(Or participating in the internet)
Mention 4 internet service providers you know?
Vodafone,MTN,Airtel Tigo,Glo
Explain Wi-Fi enabled device
A Wi-Fi enabled device is a device that allows you to access the internet. Like smartphones, watches,tablets,laptops,etc.
(Not watches)
Explain Wireless Access Point
A wireless access point is a device that uses WLAN.
(A device that creates a WLAN)
Give 5 examples of AP?
1.A smartwatch 2.A smartphone 3. A television 4.A tablet 5. A laptop
(Modem routers mobile hotspot)
What is a network Switch? Explain
A network switch is a piece of equipment that connects all network devices together.
What is a POE
A Power over Ethernet sends computer data and network at the same time by sending it down the same cable
(Computer data and power) (Ethernet cable)
What is Firewall
Firewalls protect a network from unauthorized access to or from a network.
Protect networks
Name 3 types of networks which are used to connect users to the internet
Mobile phone/cellular network
Wired phone network
Cable and TV network
What is a cellular network?
A mobile phone network is a mobile network that works with mobile devices .
A communication network where the link to and from end nodes is wireless.
The mobile phone network enables wireless communication using mobile devices such as:… (mention 3)
Mobile phones
Computers
Routers
Smartphone Tablets
Mobile phone networks provide the necessary …
a. Network (infrastructure)
and are operated by
b. Mobile phone producers (providers)
Cellular networks offer a number of desirable features. Name and explain 5 of these features
1.Cover a larger area than a single terrestrial transmitter since additional cell towers can be added indefinitely and are not limited by the horizon.
2. They have more capacity than a single large transmitter since the same frequency can be used for multiple links as long as they are in different cells.
3.Mobile devices use less power than with a single or satellite since the cell towers are closer.
4.They are capable of utilizing higher frequency signals and thus more available faster data rates.
5.Several video and audio channels may travel through higher frequency signal on a single wide band carrier.
What is a wired phone network.
