Study help

Hi,

Was just going through some test questions and came across a few questions that I literally just went blank on. One of them was the following -

Which one of the following addresses are private addresses, choose all that apply -

10.14.78.10
192.169.34.56
172.16.34.5
12.34.56.10

I couldnt figure it out at all

Any ideas on how to approach this?

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veritas_libertas

Do you have a study guide??? It should be in there. Just memorize it...

Private network - Wikipedia, the free encyclopedia

The answer is: 172.16.34.5 and 10.14.78.10

ALfromSTL

By "going blank" do you mean you do not understand the question, are you not sure what is meant by "private ip address" or you just aren't sure which of these addresses the question pertains to?

If all the above, I would pick up either an A+ or Network+ book and read it over.

APEX

veritas_libertas wrote: »

Do you have a study guide??? It should be in there. Just memorize it...

Private network - Wikipedia, the free encyclopedia

The answer is: 192.169.34.56 and 172.16.34.5

Hmmm.... I'm using the Mike Meyers Passport guide. I've probably just missed it *sigh*

I went blank as in I couldnt figure out how to approach the question. For some reason I thought it was asking me to do some subnetting

Misc

veritas_libertas wrote: »

Do you have a study guide??? It should be in there. Just memorize it...

Private network - Wikipedia, the free encyclopedia

The answer is: 192.169.34.56 and 172.16.34.5

Why did you not say the first one was a private IP address?

i would have said top three are private.

NetEngineer86

Yea ur right 10.0.0.0-10.255.255.255 is a private address range along with the other two the only one not is the fourth answer.

Turgon

APEX wrote: »

Hi,

Was just going through some test questions and came across a few questions that I literally just went blank on. One of them was the following -

Which one of the following addresses are private addresses, choose all that apply -

10.14.78.10
192.169.34.56
172.16.34.5
12.34.56.10

I couldnt figure it out at all

Any ideas on how to approach this?

The best way to learn this is to understand the subnet masks used by the private ranges. That way you can work it out and get some subnet practice as well!

veritas_libertas

Misc wrote: »

Why did you not say the first one was a private IP address?

i would have said top three are private.

My bad... I was copying/pasting and somehow I didn't copy that...

earweed

I thought the private address ranges were
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255

So the 192.169.34.56 is not private so it would be first and third

ALfromSTL

If I might make a suggestion, do not rely on the Passport books as your only study material as they give just a small overview. I would recommend the Exam Cram (A+ is good) along with Mike Myers full study guides.

Just my 2 cents..

veritas_libertas

earweed wrote: »

I thought the private address ranges were
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255

So the 192.169.34.56 is not private so it would be first and third

Well now, I think I am over with posting for today. I am too tired to answer questions correctly today...

Good catch...

earweed

veritas_libertas wrote: »

Well now, I think I am over with posting for today. I am too tired to answer questions correctly today...

Good catch...

If it'd been the class B I would have missed it. I just memorized them when studying for the Net+. I did look it back up to make sure about the 192.168.x.x
Best way to memorize private addresses for me was to write them several times, I made flashcards. You'll need to know these everywhere throughout your IT studies. Kind of like the well known ports.
Best way to remember addresses is
Class A 10.x.x.x
Class B 172.16.x.x - 172.31.x.x (trick is 16-32 ALMOST ie 31.255.255 is almost 32)
Class C 192.168.x.x

Turgon

Simply know the start address and the mask and work out from there. Good subnet practice!