Question 1 What mechanism is used by Ethernet for addressing when multiple stati

Question

Question 1

What mechanism is used by Ethernet for addressing when multiple stations attempt to transmit at the same time? What is the process that it uses, and what is this called?

Question 2

Describe 5 network topologies (briefly) and give an advantage and a disadvantage for each. Rank the technologies in order of least resilient to most resilient to faults

Question 3

In what cases would you use an amplifier instead of a repeater? What is it about the behavior of each that makes one better than the other, and what specifically would be an issue for a WAN deployment cross country?

Question 4

Describe the differences in 802.11 wireless protocols - what speeds and advantages are provided by each?

Explanation / Answer

Answer:

Collision is the mechanism used to address mulTple transmission. It uses the process of collisiondetecTon. Carrier Sense MulTple Access/Collision Detect is the method it uses for detection.

2)

a. Mesh ±opology-devices are usually connected with a characterisTc of many redundantinterconnecTons between the nodes. Each node has a connecTon to all other nodes in the network.Advantage: using parTal mesh topology is less expensive and yields less redundancyDisadvantage: Full mesh topology is very expensive to implement.b. Star ±opology-network devices are connected to one main central computer known as a hub. Nodescommunicate across the network by transmi²ng data via the hub.

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