Network components

Question 1

What is a host?

Answer 1

Every computer on a network is called a host or end device.

Question 2

What is a server?

Answer 2

They are computers that provide information to end devices.

Question 3

How does a server do that?

Answer 3

Through email servers, web servers and file servers.

Question 4

What are clients?

Answer 4

They are computers that send requests to servers to retrieve information.

Question 5

How does a client do this?

Answer 5

Through a web page from a web server. Also through email from an email server.

Question 6

How does a email function in host roles?

Answer 6

Email server runs email server software.Clients uses client software to access email.

Question 7

How does web function in host roles?

Answer 7

The web server runs web server software. Clients use browser software to access web pages.

Question 8

How does file function in host roles?

Answer 8

File server stores corporate and user files. The client devices access these files.

Question 9

Is it possible to have a device be a client and a server?

Answer 9

Yes, it’s possible through Peer-to-Peer Network.

Question 10

What is recommend for Peer-to-Peer?

Answer 10

To only be used for very small networks.

Question 11

What are the advantages of Peer-to-Peer Network?

Answer 11

Firstly, it’s easy to set up.
It’s less complex
It usually is lower in cost.
Lastly, it’s used for simple tasks ( transferring files and sharing printers)

Question 12

What are the disadvantages of Peer-to-Peer Network?

Answer 12

There is no centralised administration- so no active directory.
It’s not secure
it’s not scalable
it has slower performances

Question 13

What is an end device?

Answer 13

An end device is where a message originates from or where it’s received.

Question 14

How does an end device work?

Answer 14

Data originates with an end device, so it flows through the network and arrives at an end device.

Question 15

What is intermediary network devices?

Answer 15

An intermediary device is an end device so it manages the data that flows through a network it basically interconnects.

Question 16

What devices are examples of intermediary devices?

Answer 16

They include network access devices so switches, wireless access points.
Internet working devices so routers. Lastly, security devices so firewalls.

Question 17

What other roles does an intermediary device have?

Answer 17

Regenerate and retransmit data signals. Maintaining information about what pathways exist in the network. It also notifies other devices of errors and communication failures.

Question 18

What is network media?

Answer 18

Network media is when communication is carried across a network through a medium which allows a message to travel to the destination.

Question 19

What are the three network media types?

Answer 19

Metal wires within cables: it uses electrical impulses.
Glass or plastic fibres within cables(fibre-optic-cable): Uses pulses of light.
The last one is through wireless transmission: uses modulation of specific frequencies of electromagnetic waves.