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IP addresses and subnetting.
18 years 1 week ago #18942
by bigdp
IP addresses and subnetting. was created by bigdp
can anyone please help me with this problem. i need to know for an exam and can't make sense of it. i really need an idiots guide as i haven't a clue. i just can't get it at all.
thanks
thanks
18 years 1 week ago #18947
by Smurf
Wayne Murphy
Firewall.cx Team Member
www.firewall.cx
Now working for a Security Company called Sec-1 Ltd in the UK, for any
Penetration Testing work visit www.sec-1.com or PM me for details.
Replied by Smurf on topic Re: IP addresses and subnetting.
There are loads of very well written guides on this site for loads of different networking concepts. If you start on this
guide
it takes you through subnetting.
If you then have further questions then feel free to add them to this post.
Cheers
Wayne
If you then have further questions then feel free to add them to this post.
Cheers
Wayne
Wayne Murphy
Firewall.cx Team Member
www.firewall.cx
Now working for a Security Company called Sec-1 Ltd in the UK, for any
Penetration Testing work visit www.sec-1.com or PM me for details.
18 years 1 week ago #18951
by Starfire
Replied by Starfire on topic Re: IP addresses and subnetting.
It seems very complicated at first but it does click in if you keep at it and you eventually wonder why you had so much trouble with it.
At the start, your best bet is to work in binary so you can mentally visualise what is going on with the bits. This really helps.
You will find many other posts in these forums regarding this exact topic. It is always a stumbling block for everyone when they first start going through it so you not alone. Go through the FAQs and scroll back through several previous months worths of posts and you will get a lot of detailed information.
You will find there are a few different ways of doing it so pick which you find best for you. Remember, for the exam though, subnetting is where you shave off seconds which can be better spent on other questions and they are often a small part of a much larger question like a sim or something so it is important to get them done quickly. You will find that the simplar questions can eventually be done in less that 10 seconds with about 20-30 seconds for the more complicated ones.
Finish it off by spending a lot of time on subnettingquestions.com to really hone your skills.
At the start, your best bet is to work in binary so you can mentally visualise what is going on with the bits. This really helps.
You will find many other posts in these forums regarding this exact topic. It is always a stumbling block for everyone when they first start going through it so you not alone. Go through the FAQs and scroll back through several previous months worths of posts and you will get a lot of detailed information.
You will find there are a few different ways of doing it so pick which you find best for you. Remember, for the exam though, subnetting is where you shave off seconds which can be better spent on other questions and they are often a small part of a much larger question like a sim or something so it is important to get them done quickly. You will find that the simplar questions can eventually be done in less that 10 seconds with about 20-30 seconds for the more complicated ones.
Finish it off by spending a lot of time on subnettingquestions.com to really hone your skills.
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