Honeywell Placement: Sample Questions 9 - 9 of 18

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Question 9

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Explain advantages and disadvantages of Ethernet.

Explanation

Advantages of Ethernet:

a) Conceptually simple:

Ethernet is simply daisy-chained together with coax cable and “T” adapters. There are usually no hubs, transceivers, or other devices used.

‎‎b) Relatively Inexpensive: ‎

Due to the simplicity inherent in the design of Ethernet, it can be an inexpensive technology to implement. ‎‎

c) Noise Immunity: ‎

The coaxial cable used in a Ethernet network is very well shielded, and has a very high immunity from electrical noise caused by outside sources.

‎‎Disadvantages of Ethernet: ‎

a) Difficult To Change:

‎Reconfiguring a Ethernet is somewhat difficult to do once it is in place. Any changes to the network will result in at least some “down time,” as the bus must be broken and a new section spliced in at the point of the break.

‎‎b) Fault Intolerant: ‎

If any device or cable section attached to the network fails, it will most likely make the entire network go down. ‎‎

c) Difficult Troubleshooting: ‎

Ethernet networks are very difficult to troubleshoot. There is no easy way to determine what node or cable section is causing a problem, and the network must be troubleshot by a “process of elimination.” This can be very time consuming. ‎‎

d) Specialized Cable

The RG-58A/U coaxial cable used in Ethernet networks can՚t be used for any other purpose. In the event that the network is changed to another type, then the cable will have to be replaced.

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