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Eccouncil Exam 212-81 Topic 5 Question 48 Discussion

Actual exam question for Eccouncil's 212-81 exam
Question #: 48
Topic #: 5
[All 212-81 Questions]

What is the solution to the equation 8 mod 3?

Show Suggested Answer Hide Answer
Suggested Answer: D

2

https://en.wikipedia.org/wiki/Modulo_operation

The modulo operation returns the remainder or signed remainder of a division, after one number is divided by another (called the modulus of the operation).

Given two positive numbers a and n, a modulo n (abbreviated as a mod n) is the remainder of the Euclidean division of a by n, where a is the dividend and n is the divisor. The modulo operation is to be distinguished from the symbol mod, which refers to the modulus (or divisor) one is operating from.

For example, the expression '5 mod 2' would evaluate to 1, because 5 divided by 2 has a quotient of 2 and a remainder of 1, while '9 mod 3' would evaluate to 0, because the division of 9 by 3 has a quotient of 3 and a remainder of 0; there is nothing to subtract from 9 after multiplying 3 times 3.


Contribute your Thoughts:

Demetra
28 days ago
Mod? More like 'mod-ern problems require mod-ern solutions', am I right? *chuckles* Anyway, I'm going with B. Seems like the most logical choice.
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Lavonna
1 months ago
Ah, the old mod problem. I remember learning this in my high school math class. Gotta be D, I think. No, wait, is it A? Ugh, too many options!
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Samira
8 days ago
Yeah, D sounds right
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Mauricio
15 days ago
Let's go with D
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Jerilyn
17 days ago
No, I'm pretty sure it's D
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Mammie
20 days ago
I think it's A
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Ozell
1 months ago
I agree with Goldie, the correct answer is D) 2.
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Carin
1 months ago
Hmm, let me think... Mod? Isn't that something to do with finding the remainder? I'll go with C. Sounds about right.
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Cecilia
1 days ago
I believe it's D) 2
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Marlon
2 days ago
I think it's A) 1
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Ethan
20 days ago
Actually, I'm pretty sure it's C) 3
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Ilene
1 months ago
I believe the answer is D) 2
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Gerardo
1 months ago
I think it's A) 1
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Goldie
1 months ago
I believe the answer is D) 2 because 8 divided by 3 leaves a remainder of 2.
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Lazaro
2 months ago
I think the solution is A) 1.
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