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  • CCNABRAINDUMP6(1)

    试题作者:佚名    试题来源:不详    试题栏目:思科认证试题    收藏本页
    Exam ccna(640-047)

    passing score = 755

    no of questions =78

    time =120 minutes

    date 24-11-99



    I cleared the CCNA(640-047) with 92% marks.It was really a interesting experience for me.The exam was really straight forward.If you have studied the Book thoroughly and done practice exams you can get it easily.but one thing to remember you should have some practical experience that can help a lot espacially for configuration questions.



    I recommend to study Todd lamlle book thoroughly .there is some command missing in this book for which u can concern ICRC book.



    some of the areas of question are;



    1.OSI model questions espacially related to layer functions

    2.encapsulation question

    information is converted into data

    data into sgments

    segments into pakets

    packets into frames

    frames into bits

    3-Booting of ios

    The router boot from three resourses



    First from flash

    then from tftp

    then from rom

    the syntax is



    router(config)#boot system tftp ios filename tftp server address



    router(config)#boot system flash ios filename



    router(config)#boot system rom





    there were 3-4 questions form wan technologies espacially about frame relay and isdn



    fram relay dlci(use to identify the frame relay virtual circuit)



    isdn (BRI-2B+!D b for data transfer and D for signiling)



    you should also study TCP DOD model thorouhly.



    espacially functions of LAN and WAN protocols and on which layer they work





    I hope you will take advantage



    hope for best for u in future



    netguy



    Some helpful Q&A for CCNA




    1) You are reviewing a consultant's design for your 10Base2,

    thin Ethernet, network. The following distances are

    outlined.



    Host A to Host B is 190 meters

    Host B to Host C is 160 meters

    Host C to Host D is 300 meters



    Which distances are too far according to the specification?



    A. Host A to Host B

    B. Host B to Host C

    C. Host C to Host D

    D. No answer is correct




    Answer: A & C - The specification for 10Base2 is 185 meters

    (600 feet) on coaxial cable.




    2)
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