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WorksheetsTest Retele de calculatoare
Total questions: 16
Worksheet time: 10mins
What is a network?
A group of 1 or more devices which communicate
A group of 2 or more devices which communicate
When 2 or more computers are in the same building.
A group of 3 or more devices which communicate
an advantage of networks?
Easy to set up
Allows devices to communicate with each other
File security is more protected with a WAN
Wide Area Networks (WANs)
cover a large geographical area
use cables, telephone lines, satellites and radio waves to connect
are used by international organisations
All 3 options
A Local Area Network (LAN)
is typically used by no more than six users simultaneously
usually operates on a single site or within a single building
always uses cables to connect
all 3 options
One disadvantage of a ring network is:
Data collisions can occur if there is heavy traffic on the network
It uses a lot of cable
The ‘token’ used to transmit data can get lost
In order for the nodes to communicate they must all be switched on
Routerul este echipament de retea.
Da
Nu
Urmatoarele componente sunt medii de transmisie:
Cablul UTP
Windows 10
Fibra optica
Topologia din imagine este una Star
Da
Nu
O reţea de calculatoare dintr-un liceu este o reţea:
Locală
Globală
Regională
Reţeaua Internet este o reţea:
Locală
Globală
Regională
Datele se pot transmite în rețea prin intermediul:
unui cablu coaxial
undelor electromagnetice
fibrei optice
