Networks

Question 1

Switch

Answer 1

A switch, in the context of networking, is a high-speed device that receives incoming data packets and redirects them to their destination on a local area network (LAN).BRIEF: It connects devices together within a network.

Question 2

Hub

Answer 2

A network hub is a node that broadcasts data to every computer or Ethernet-based device connected to it.LAN

Question 3

Router

Answer 3

A router inspects a given data packet’s destination Internet Protocol address (IP address), calculates the best way for it to reach its destination and then forwards it accordingly.BRIEF: It connects networks together.

Question 4

NIC

Answer 4

is a hardware component, typically a circuit board or chip, which is installed on a computer so it can connect to a network.

Question 5

Star network , A and DA

Answer 5

A- Fast performane and easy to expand using nodes and failure in a minor cable will only affect one node.
DA- Uses th emost cable which make is expensive and an extra hub / switch which is required to buy for this network , increases the cost.

Question 6

Bus network , A and DA

Answer 6

A- Simple and cheap as it requires less cable length and it’s easy to extend .
DA-If the man cable fails the whole network will fai
l.

Question 7

Wan PROS

Answer 7

Wide distance range
Can be used if 1 system fails

Question 8

Lan PROS

Answer 8

Cheap , internet can be shared with every device connected
Sharing/accessing files is easier

Question 9

Wan CONS

Answer 9

Expensive
Sharing and accessing files takes time
Every device relies on it’s own internet connection

Question 10

Lan CONS

Answer 10

Limited range
Easy to get hacked and for a virus to spread
If the main server is not set up correctly all devices will suffer

Question 11

Network Topologies

Answer 11

They are simple diagrams that layout the network