networks and security

Question 1

what is a computer network?

Answer 1

computer network is a bunch of devices connected to one network that allows you to share resources

Question 2

what are the 3 types of networks?

Answer 2

LAN, WAN, PAN

Question 3

What is a LAN network?

Answer 3

LAN is a local area network in a small geographical area, for example in an office

Question 4

what is a WAN network?

Answer 4

wan is a wide area network in a wide geographical area, for example in a school

Question 5

what is a PAN network?

Answer 5

PAN is a personal area network, connecting devices to a single person

Question 6

what is an advantage of a star topology?

Answer 6

If the device fails or a cable is disconnected, the rest of the network is unaffected

there are fewer data collisions on a star topology

Question 7

what are the disadvantages of star topology

Answer 7

the switch is expensive

if there is a problem with the switch the whole network is affected

Question 8

what are the advantages of a bus topology?

Answer 8

the network is unaffected if a device fails

bus networks aren’t dependent on a central switch

Question 9

what are the disadvantages of bus topology

Answer 9

data collisions are common

the more devices you add, the more frequent collision will occur