| Author |
configuration register
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| monkeyboy 2001-05-30, 4:07 am |
| Do you really have to know hex fully for the CCNA exam. What I mean is can you not just memorise the config register codes (for skipping the password etc..)
It's not that I don't want to learn hex but......
would probably like time after the exam to do it (memorising too much material already); ) | |
| dmaftei 2001-05-30, 5:58 am |
| quote:
Do you really have to know hex fully for the CCNA exam.
Yup! | |
| monkeyboy 2001-05-30, 6:00 am |
| cheers! | |
| dmaftei 2001-05-30, 6:56 am |
| quote:
Originally posted by monkeyboy
cheers!
Glad to see that the prospect of learning hex makes you so happy! Let us know if we can be of any assistance.
Cheers! | |
| monkeyboy 2001-05-30, 7:39 am |
| That would be great | |
| lennon57 2001-05-30, 8:09 am |
| Hex is easy to learn, just have to get out of the decimal (base 10) box.
Start at 0 (o is counted) and count to 15.
0 through 9 are the same, A=10, B=11, C=12, D=13, E=14, F=15
Now it resets. So, decimal 16 = 10 (or 15 plus 1)
If you want to check your work, start up your calculator on your computer, and change view to Scientific.
You will see a setting for HEX.
Just remember, you cant use a calculator for the actual exam. | |
| monkeyboy 2001-05-30, 8:20 am |
| Thanks for that
but I still don't understand this bit:
quote:
Now it resets. So, decimal 16 = 10 (or 15 plus 1)
I know the bits up to 15 it's just after that....
Oh yeah thanks for the offer of help dmaftei - but after your last effort (as seen in this thread) I don't think I want it.
http://www.examnotes.net/forums/sho...light=monkeyboy
Thanks Lennon  | |
| Quintoh 2001-05-30, 8:48 am |
| I found that it is easier to switch from decimal to binary and then to hex. My professor taught me in the following manner.
Lets pretend we have an address of 205.17.55.129.
First lets put it into binary
11001101.00010001.00110111.10000001
now take each octet and we'll break it like so
205
8 4 2 1 | 8 4 2 1
1 1 0 0 | 1 1 0 1
12=C | 13=D
so 205 would be CD
-----------------------
17
8 4 2 1 | 8 4 2 1
0 0 0 1 | 0 0 0 1
1 | 1
so 17 would be 11 in hex
--------------------------
55
8 4 2 1 | 8 4 2 1
0 0 1 1 | 0 1 1 1
3 | 7
55 is 37 in hex
----------------------------
129
8 4 2 1 | 8 4 2 1
1 0 0 0 | 0 0 0 1
8 | 1
129 is 81 in hex
so your original ip which was
205.17.55.129 is
CD.11.37.81 in hex
Hope this explanation helps a bit
Quintoh | |
| dmaftei 2001-05-30, 8:53 am |
| quote:
Originally posted by monkeyboy
Oh yeah thanks for the offer of help dmaftei - but after your last effort (as seen in this thread) I don't think I want it.
OK... | |
| strikeattack 2001-05-30, 8:58 am |
| Lennon57,
Regarding...
quote:
Just remember, you cant use a calculator for the actual exam.
I was able to take a calculator into the testing center on my last test; it was an Allied testing center... Does anyone out there know if this violates the rules? | |
| sauser 2001-05-30, 10:38 am |
| just group binary in groups of four bits and convert them into decimal!! This way it is much easier | |
| jgribble 2001-05-30, 10:41 am |
| monkeyboy,
I would chill on ole dmaftei, he has what most users in this forum want: a great understanding of Cisco. We could all pick up a few tips from him. | |
| strikeattack 2001-05-30, 12:17 pm |
| Yeah, usually like ole dmaftei's replies. Even when hes correcting something I said! | |
| BlueBaron 2001-05-30, 1:43 pm |
| Oddly enough, a similar question was posed in The Lounge forum. Follow the link to read that thread (the only reason I linked back to The Lounge forum is because I don't want to re-create all the hex links I posted in that thread here).
Hex thread | |
| chunder 2001-05-30, 5:34 pm |
| thanks blue baron. that helped me understand the conversion process a little better and i made my own conversion chart to go from decimal to binary to hex (which is good for IP addresses) but i need to figure out the conversion specifically for the config-reg. i will have to revisit that section in my books now that i have a better understanding of hex.
ps. DMaftei ROCKS THE HOUSE! so you people gettin all up in his business just step! |
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