From: TCP IP4 (tcp.ip4@gmail.com)
Date: Sat Jan 17 2009 - 16:20:06 ARST
Thanks Anthony for the perfect example and the laugh. As long as the
proctor is not asking the token bucket theory I guess these questions
are good for lab warm up.
On Sat, Jan 17, 2009 at 1:40 AM, Anthony Sequeira
<asequeira@internetworkexpert.com> wrote:
> Yeah - you certainly got the gist - just be sure to provide some insight
> into why that move is beneficial....
>
> "IP Precedence marking only featured the use of three bits in the ToS byte.
> This limited us to a total of 8 marking options for traffic. Since Cisco
> asked us not to use two of these marking options, we were restricted to 6
> marking options. This is not enough marking options for our complex networks
> of today that potentially carry voice, video, transactional, and many other
> forms of data traffic. The move to a fuller utilization of the bits in the
> ToS byte allows for more classification options, and the ability to indicate
> drop priority..."
>
> At this point the proctor is going to say - ENOUGH - NEXT QUESTION.
>
> By the way - I am now rooted in the Southeast of the United States - so if
> the question is to be delivered orally back to the proctor - here is what I
> say...
>
> "IP Precedence marking only filled up the first three bits of that there ToS
> byte. Hellfire! I only got 8 gosh darn marking options! You sons of a
> bitches took two of those away and now I only got 6..."
>
> I hope you get the idea.
>
> P.S. This is my most politically incorrect post in my Group Study history.
>
> :-)
>
> Anthony J. Sequeira, CCIE #15626, CCSI #23251
> Senior CCIE Instructor
>
> asequeira@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Outside US: 775-826-4344
>
> On Jan 16, 2009, at 10:26 PM, TCP IP4 wrote:
>
>> First come out is 3 bits vs 6 bits. Do I need to drill more?
>>
>> On Fri, Jan 16, 2009 at 7:20 PM, Anthony Sequeira
>> <asequeira@internetworkexpert.com> wrote:
>>>
>>> Here is another sample open-ended question for you in the area of
>>> QoS...if
>>> you find this tough - then yes - you need to study more QoS. :-) IMHO of
>>> course.
>>>
>>> What are the advantages presented by DSCP markings when compared to the
>>> legacy IP Precedence approach?
>>>
>>> Anthony J. Sequeira, CCIE #15626, CCSI #23251
>>> Senior CCIE Instructor
>>>
>>> asequeira@internetworkexpert.com
>>>
>>> Internetwork Expert, Inc.
>>> http://www.InternetworkExpert.com
>>> Toll Free: 877-224-8987
>>> Outside US: 775-826-4344
>>>
>>> On Jan 16, 2009, at 10:03 PM, TCP IP4 wrote:
>>>
>>>> Regarding the interview quiz announcement how should I interpret "well
>>>> prepared"? Everyone has some weak areas for the lab, otherwise we
>>>> all pass the test. I've been working on the practice labs for a year
>>>> using a popular vendor materials. But I am still not good at QoS
>>>> area due to lack of practical use of them. Should I go back do more
>>>> QoS reading for the sake of ad-hoc quiz? I don't think wasting $1400
>>>> for 5 minutes of time is a good investment.
>>>>
>>>> -Tom
>>>>
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
>>>> _______________________________________________________________________
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>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
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