<p>I think some of it is just making sure you have the capability of understanding how the stuff works. I think learning how to subnet is important for the learning part but i wouldn't expect my technician to ever do it by hand. </p>
<p>--Sent from my android.</p>
<div class="gmail_quote">On Jun 5, 2011 9:36 PM, "Dan Taylor" <<a href="mailto:slash@darkhaven.net">slash@darkhaven.net</a>> wrote:<br type="attribution">> On 06/05/2011 07:57 PM, Eric Beversluis wrote:<br>
>> I'd like to conduct a poll.<br>>><br>>> Having exerted some (not very significant) level of effort, a number of<br>>> years ago, acquainting myself with the OSI model/standard, I'm curious<br>
>> if I'm the only one who sees imposing this learning task on computer<br>>> students as pointless.<br>>><br>>> Item: in about 8 years since studying all that, I have seen maybe one or<br>>> two references to the model and, as nearly as I can recall, none of the<br>
>> work I've done in this time has needed to utilize knowledge of the<br>>> model.<br>>><br>>> Item: the de facto standard for networking, TCP/IP, uses a significantly<br>>> different model; nor have I seen any need to understand the TCP/IP<br>
>> layers in my work.<br>>><br>>> I would guess designers and builders of hardware and certain programs<br>>> would use knowledge of the TCP/IP layer protocols. But other than these<br>>> users, who out there has had the need to be acquainted with the OSI<br>
>> model?<br>> How often do you use Wireshark? It certainly helps visualize a<br>> breakdown of the 1s and 0s flowing across the network if you understand<br>> the OSI model and the breakdown of communication protocol stack.<br>
> .<br>> I'd argue that learning IPv4 subnet calculating by hand (required for<br>> Cisco certs) has been a pointless task to learn. There has never been a<br>> time where I haven't had access to a calculator to do that task. So<br>
> long as you understand the fundamentals of binary and hex math, network<br>> and broadcast addresses, I personally don't see the need to do it by hand.<br>> <br>> -- <br>> This message has been scanned for viruses and<br>
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