quick Subnet question

Ok, I'm taking a practice test and it says

"Which of the following represents the same idea as mask 255.255.240.0"

A. /22
B. /20
C. /18
D. /24
E. /16

I think I'm right and the test is wrong. lol
What is the answer.

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Comments

EdTheLad

B /20

davenport

Thats what I thought, when i first saw that question I was thinking "well thats easy" then it said wrong and now I'm wondering if I don't know as much as I thought I did. lol

Here is the pop up from the test.

johnnynodough

The cisco press exam software is riddled with errors.

davenport

johnnynodough wrote:

The cisco press exam software is riddled with errors.

I'm starting to see what you are talking about. This was just the first error I found. I don't think I'm going to use this engine anymore, I'm afraid it's going to send me down the wrong path.

johnnynodough

Just use the book exam engine on the CD. The additional CD one was the most riddled, and it asked you ICND questions that you hadnt studied for yet.