Cyber Security : Cryptograhpy

Cyber Security : Cryptograhpy

University

5 Qs

quiz-placeholder

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Cyber Security : Cryptograhpy

Cyber Security : Cryptograhpy

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Nanta Janpitak

Used 5+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ข้อใดคือกระบวนการของ Cryptography ที่ถูกต้อง

ciphertext>encryption>plaintext>decryption>ciphertext

plaintext>encryption>ciphertext>decryption>plaintext

plaintext>decryption>ciphertext>encryption>plaintext

ciphertext>decryption>plaintext>encryption>ciphertext

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

วิธีการใดใน Classical Cryptography ที่ปลอดภัยที่สุด

C3

AES

Running Key Cipher

One-time Pad Cipher

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ในวิธีการแบบ Symmetric Key ถ้า Eve ดักจับข้อความที่เข้ารหัสลับมาได้

การที่ Eve จะอ่านข้อความได้นั้น Eve ต้องรู้อะไรบ้าง

Algorithm และ Private Key

Private Key เพียงอย่างเดียว

Algorithm เพียงอย่างเดียว

Algorithm, Private Key, ใครคือผู้รับ

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ข้อใดคือ : the process of transforming ciphertext into plaintext

Plaintext

Ciphertext

Encryption

Decryption

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

กระบวนการนี้คือ Algorithm ใด

Plaintext:

AHEAD

A = W, H = U, E = H, A = M, D = B

Ciphertext:

WUHMB

C3

ROT13

Polyalphabetic

Running-key

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