CCNABRAINDUMP6(1) |
| 论文作者：佚名 论文来源：不详 论文发布时间：2006-6-9 2:41:49 论文发布人：chjchjchj |
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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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