The central idea of the paragraph from "The Code Book" is expressed by "Breaking the RSA code is the greatest challenge for cryptanalysts."
The meaning of the cryptanalysts is that someone who break the codes.
Despite the enormous strength of RSA and other modern ciphers, cryptanalysts are still able to play a valuable role in intelligence gathering. Their success is evidenced by the fact that cryptanalysts are in greater demand than ever before—the NSA is still the largest employer of mathematicians in the world.
Hence, the correct answer is "Breaking the RSA code is the greatest challenge for cryptanalysts."
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This question is about "Milkweed"
Answer:
D. A jackboot shoots him in the ear.
Explanation:
In an attempt to prevent Misha from leaving food for Janina and being captured and consequently killed, Uri attacks him. Uri pretends to kill Misha and shoots him, but misses the shot that hits him in the ear. Uri misses the shot, because he just wants to pretend he's shooting Misha, what he really wants is for Misha to run away and not get caught by enemies.