Unit 1 - LO3 Understand Business IT Systems

Question 1

Peer- to- peer

Answer 1

. Two or more PCs share files and access devices such as printers without requiring a separate server or software
. Every connected PC is a server and a client
. Access rights are controlled by setting permissions on each individual machine
. If PCs on the network are slow or broken they will affect every other machine

Question 2

Bus

Answer 2

. Each computer and network device are connected to a single cable
. Can be hard to troubleshoot
. Damaged cable results in a network failure or a network split into two

Question 3

Star

Answer 3

.Every node connects to a central network device
. The central network device acts as a server whilst the peripheral devices act as clients
.If one computer fails, the rest of the network works fine
. Central device determines performance and number nodes that can be handled

Question 4

Ring

Answer 4

. Device connection create a circular data path
. Each network device is connected to two others
. Packets of data travel from one machine to the next until they reach their destination
. If any connection is broken the whole network is affected

Question 5

Mesh

Answer 5

. Each node is connected to most of the others
. Each connection carries its own data load
. Faults are easily diagnosed
. installation and configuration can be difficult
. Network can self heal if there is a breakdown so there are no interruptions of service to any node