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Clarification on Network cables

Discussion in 'Network+' started by UCHEEKYMONKEY, Sep 9, 2008.

  1. UCHEEKYMONKEY
    Honorary Member

    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Hello everyone! :biggrin

    Q) Can anyone tell me what is the correct Maximum Length of the following network cables:-

    10BASE-FL

    100BASE-FX


    The reason why I ask is in one of my N+ study books it shows 10-Base-FL and 100Base-FX to have a max length of 20Kilometres?:blink

    In the other it shows it to be 2000 Metres?

    The two study books are:-

    Network+ Fast Pass


    Comptia Network and Complete Self Study Guide


    Cheers!
     
    Certifications: Comptia A+
    WIP: Comptia N+
  2. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    2000 meters per segment is what I have learned whilst studying.
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  3. TimoftheC

    TimoftheC Kilobyte Poster

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  4. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    According to my copy of IEEE802.3-2002 the segment limit for both is 2000m.

    Harry.
     
    Certifications: ECDL A+ Network+ i-Net+
    WIP: Server+
  5. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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  6. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    That's what I thought, so it must be a typo in the Fast book, maybe they meant 2Kilometres:biggrin

    I thought it was odd when I was doing the practise questions and got it wrong for selecting 2000 metres!:biggrin
     
    Certifications: Comptia A+
    WIP: Comptia N+
  7. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Thanks Harry:thumbleft
     
    Certifications: Comptia A+
    WIP: Comptia N+
  8. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    I am not sure mate everything I have read says 2000 meters even wikipedia says 2000 meters per segment
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  9. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Dam it :x- there was another network cable question i wanted to ask but can't remember what classification of the cable was!!!:( MY Home network Hub has gone down and I'm having to rasie these question while at work!

    So bear with me, see if i can remember what the question was:-

    It was something the lines define the characteristics of 10-base-T network cable. I put down it has a transmission speed of 10Mbps max with single pulse - therefore on 1 signal on the wire at any given time and t referred to twisted unsheided pair.



    Is this right, because in the answer it states the network cable is Sheilded twisted pair?:blink

    The 10-base cable is a cat3+ and not a Cat5e+?:blink
     
    Certifications: Comptia A+
    WIP: Comptia N+
  10. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    From my understanding 10 base is CAT3, CAT5 is 100BaseT and cat6 1000BaseT

    I dont think 10BAseT isn't sheilded, where are these questions from?
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  11. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    From one of the study books fast pass. i noticed there were a lot of cables covered in the self study book, that are not shown on the Comptia N+ objectives list. So although I understand the classification and uses I'm not sure if to include them in the revision notes??:blink
     
    Certifications: Comptia A+
    WIP: Comptia N+
  12. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    I am using the Groth book and the Meyers book for the N+.

    It might be worth see if there is an error page for that book in regards to the cable length etc I remember there are few in the A+ AIO 6th edition that I had noticed but they are all corrected on the erata page.
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  13. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Actually GBL it's probably because I'm not in the right frame of mind!:(

    Having just come from a department meeting to be informed my job will be amalgumated with IT Help Desk. Also my job title will be changed from technician to IT Support advisor:eek: Also I will be regraded for my salary to IT Help desk advisor as well as the job spec.

    They said it shouldn't be seen as a step backward, but more of a new step to being customer focused!

    mmmmmmmmmm... i think I will go rest my head on a railway line!:p:biggrin
     
    Certifications: Comptia A+
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  14. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Thats crap dude, hopefully they won't cut your wages. Maybe it's time to start looking for a new job.
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  15. wizard

    wizard Petabyte Poster

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    Does the books have a website? If so they may have an "errata" section that would list typos picked up by the readers.
     
    Certifications: SIA DS Licence
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  16. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Yes.. I think you right :hhhmmm
     
    Certifications: Comptia A+
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  17. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Cheers Wizard:thumbleft
     
    Certifications: Comptia A+
    WIP: Comptia N+
  18. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    It would have to be 2000 meters which is 2km, if it were 20km that would be 200000 meters or something. That would be one very big stable cable :)
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  19. UCHEEKYMONKEY
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    UCHEEKYMONKEY R.I.P - gone but never forgotten. Gold Member

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    Another question, this time on clarification of cat 6?


    In one of the study books it shows Cat 6 to have a transmission speed of 1000mbps and yet in another it shows it as cat 6 = 155Mbps and Cat 6e = 10Gbase standard

    Which is correct?

    I have looked on the net and found most refer to cat 6 as 1000Mbps but it doesn't state if this cat 6 or cat6e?:blink
     
    Certifications: Comptia A+
    WIP: Comptia N+
  20. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    I think this article is fairly clear.

    I think part of the problem is that the frequency rating of cables does not match the expected 10, 100, 1000 figures. In the case of 1000Base-T this is because of the use of multi-level signaling, and also the use of *4* pairs in the physical cable.

    Note that there is officially no such thing as Cat6e - see here.

    Harry.
     
    Certifications: ECDL A+ Network+ i-Net+
    WIP: Server+

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