VLANS, Access Ports and Trunks

Question 1

What is a hub?

Answer 1

A layer one physical network device with multiple ports.

Question 2

How many ports can be found on a hub?

Answer 2

2 - 48

Question 3

What does it mean that a hub is a layer one device?

Answer 3

It means it only understands electrical data. It does not aware of frames, source IP, destination IPs, or any other data contained within the packets.

Question 4

If a data packet came in on a hub destined for device 2, in a 5 device domain, where would the data go?

Answer 4

The data would be transmitted on all connected ports except where the data came in on.

Question 5

If a switch does not yet know where a device is on the network, how does it find it?

Answer 5

Broadcasting to all devices

Question 6

What OSI layer to switches operate?

Answer 6

Layer 2

Question 7

How can switches isolate devices on separate routers into the same virtual network?

Answer 7

Per port VLANs