What do you want to learn, and why? I can point out a number of good books, but if you have little or no experience they won't help you much... (I have a book that spends almost a hundred pages on the different LSA's for OSPF). On the other hand there are a lot of good introduction texts that cover the major topics of networking. By reading your question I am guessing the latter, 'cause while dhcp, nat and gateways can be made complicated they are fairly basic themes in networking.
Again, it all depends on what you want to learn about and why. The terms you mentioned (coupled with your nick) gives me feeling that you want to be an 1337 h4x0r, but I apologize if I'm wrong. If that is the case though, start playing with a *NIX and get going, you will learn about all those terms quickly as you go through the different daemons and servers anyway...
Poor windows was not a brave soul. Threatened by the force of General Protection and Major Problem the little OS committed suicide by hanging.
Yea, just learn CCNA. Hey I'm 17 and I'll soon have my CCNA certification. Aside from the router configuration stuff (which is hard to memorize if you don't have an actual cisco router to play around with), it's really easy.
Intelligence is not merely the wealth of knowledge but the sum of perception, wisdom, and knowledge.
Hmm.... Might be best not to underestimate issues with NAT.
NAT can get pretty messy when you are dealing with
supporting IPSEC over NAT, multiple NAT, conditional NAT,
NATing both source and destination addresses etc.
On the other hand, I think not even CCIE will cover which IOS version supports the NAT Traversal feature,
so it is important to find the level of information needed,
else you might end up on a wild goose chase.
i think we are on different levels here. from what i gathered from the first guys question is he wanted to know stuff about home routers. nothing on a large scale. the reason i think that is because he obviously has very little knowledge about networking already. to jump right into a cisco training is laughable.
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CCIE??!! Jeez, I'm sure s0me0ne would be happy spending ~$10000 to get to know dhcp and nat. Only one of the five terms he mentioned is on the Routing and Switching exam (gateways). DMZ is on the Security exam. Nat is on the written depending on which version. An MCSE would be a better target for him.
One of our students went from CCNA to CCIE in 12 weeks, but most others I know spend at least 6+ months and many thousands of dollars to get there. The CCIE is the hardest IT cert to attain and I doubt s0me0ne is prepared for that.
However, if you want to get the CCIE I would highly recommend our school in beautiful Southern California. Go to www.ictp.com and check it out.
s0me0ne, why don't you get a Safari Bookshelf account with O'Reilly? You can try it out for two weeks for free, and it is a good investment towards learning any computer related topics. Check it out