I don't understand the meaning of the link, which points to things
including Ethernet technology. The issue here is the poorly worded
question, to which there is no single answer.
>http://www.optimized.com/COMPENDI/
>
>-----Original Message-----
>From: Howard C. Berkowitz [SMTP:[EMAIL PROTECTED]]
>Sent: Thursday, March 08, 2001 1:04 PM
>To: [EMAIL PROTECTED]
>Subject: Re: 0s and 1s??
>
>>In ethernet, are the bits, 0s and 1s,
>>0 volts and +5 volts?
>>
>>I saw that on my CCNA test but did
>>not see it in the books I used.
>>
>>Is that true?
>
>Without SIGNIFICANT clarification, as to which specifications the
>question refers, it's insanely false.
>
>To begin with, a bit being sent to the medium doesn't exactly
>correspond to medium signals. The actual medium (at least the
>electrical ones with which I am familiar) use Manchester encoding.
>
>Second, if we include optical ethernet, what do voltages have to do with it?
>
>If the question refers to AUI, RJ45/10BaseT, etc., it needs to be
>clear that's what it means.
>
>It feels like yet another test writer taking the easy way out,
>testing for a factoid that he or she doesn't really understand.
>
>Since I am getting crotchety about this, I conclude I need lunch.
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