Networks And Internet

Question 1

What is a physical network

Answer 1

The sum of physical hardware parts that make up a network, including cables and routers.

Question 2

Physical networks represent…

Answer 2

The computer network topology. Which includes;
*the computer devices
*location
*cable installation

Question 3

Physical network includes…

Answer 3

the actual nodes
segments
and hosts

Question 4

Name 6 basic hardware required for a network

Answer 4

1. Internet service
2. Wi-Fi enabled device
3. Wireless access point
4. Network switch
5. PoE (Power of Ethernet)
6. Firewall

Question 5

Internet Service provider is

Answer 5

An organization that provides internet for accessing and using
(Or participating in the internet)

Question 6

Mention 4 internet service providers you know?

Answer 6

Vodafone,MTN,Airtel Tigo,Glo

Question 7

Explain Wi-Fi enabled device

Answer 7

A Wi-Fi enabled device is a device that allows you to access the internet. Like smartphones, watches,tablets,laptops,etc.
(Not watches)

Question 8

Explain Wireless Access Point

Answer 8

A wireless access point is a device that uses WLAN.
(A device that creates a WLAN)

Question 9

Give 5 examples of AP?

Answer 9

1.A smartwatch 2.A smartphone 3. A television 4.A tablet 5. A laptop
(Modem routers mobile hotspot)

Question 10

What is a network Switch? Explain

Answer 10

A network switch is a piece of equipment that connects all network devices together.

Question 11

What is a POE

Answer 11

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)

Question 12

What is Firewall

Answer 12

Firewalls protect a network from unauthorized access to or from a network.
Protect networks

Question 13

Name 3 types of networks which are used to connect users to the internet

Answer 13

Mobile phone/cellular network
Wired phone network
Cable and TV network

Question 14

What is a cellular network?

Answer 14

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.

Question 15

The mobile phone network enables wireless communication using mobile devices such as:… (mention 3)

Answer 15

Mobile phones
Computers
Routers
Smartphone Tablets

Question 16

Mobile phone networks provide the necessary …

Answer 16

a. Network (infrastructure)
and are operated by
b. Mobile phone producers (providers)

Question 17

Cellular networks offer a number of desirable features. Name and explain 5 of these features

Answer 17

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.

Question 18

What is a wired phone network.