Network topologies

Question 1

Bus topology definition

Answer 1

In a bus topology each node is connected directly to the main communication line. Data travels along the line in both directions. Terminators at each end stop the signal.

Question 2

Advantages and disadvantages of Bus topology

Answer 2

+ Cost effective

• Network is dependent on the bus cable
• Larger the traffic the less efficient the network is

Question 3

Star Topology definition

Answer 3

In a star network all nodes are connected to the file server by its own cable.

Question 4

Advantages and disadvantages of Star topology

Answer 4

+ If one computer breaks the rest will not be affected

• More expensive due to more cabling

Question 5

Ring Topology definition

Answer 5

Each computer is connected directly to the other forming a ring and the data travels in one direction.

Question 6

Advantages and disadvantages of Ring topology

Answer 6

+ No data collision
+ Computers can be added easily

• If a computer breaks down the network is disrupted
• If the cable breaks the network is disrupted