7
QuizMultiple Choice

Punctuating Restrictive and Nonrestrictive Elements — Unit test

Question 7 • GA-Literature and Composition I

Read the excerpt from The Code Book.A theoretical breakthrough would be a fundamentally new way of finding Alice's private key. Alice's private key consists of p and q, and these are found by factoring the public key, N. The standard approach is to check each prime number one at a time to see if it divides into N, but we know that this takes an unreasonable amount of time.

Answer
A
The author uses a narrative style to explain encryption.
B
The author includes several historical narratives.
C
The author adds many interesting descriptive details.
D
The author writes with great scientific detail.

Explanation

The excerpt explains how Alice’s private key is connected to the prime numbers p and q, then describes factoring the public key N as a way to find them. Its use of mathematical symbols and a specific explanation of the factoring method shows scientific detail. The best choice is “The author writes with great scientific detail.”

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