Switching

Question 1

What is a Bridge?

Answer 1

A bridge is a device that connects netwerk segments using the same communication protocol. A Bridge operates on layer 2. Filters packets based on MAC addresses

Question 2

What is ASIC?

Answer 2

Application Specific Integrated Circuitry - Moved software based processing of a Bridge into hardware

Question 3

What is a broadcast domain?

Answer 3

A domain in which a broadcast is forwarded. A broadcast domain contains all devices that can reach each other at the data link layer by using broadcasts. All ports on a switch/hub are in the same broadcast domain. All ports on a router are in different broadcast domains.

Question 4

What is a CAM Table?

Answer 4

Content Accessible Memory in a switch (empty at first boot), includes MAC-addresses and wil learn these whilst using ARP messages.

Question 5

What is a HUB?

Answer 5

To provide network communication. Can only send or receive and with 1 host at a time.

Question 6

What is a collision domain?

Answer 6

A part of the network where packet collisions can occur. All ports on a hub are in the same collision domain. All ports on a switch/bridge or router are in separate collision domains

Question 7

What is a collision?

Answer 7

A collision is when two devices send a packet at the same time on the shared network segment. When packets collide, both devies must send the packets again,.

Question 8

What is a SFP?

Answer 8

Small Fiber Plugable - Fiber Optic module to connect fiber wires