sonsangkan teks biasa SELAMAT HARI GURU kepada teks sifer

HOMEWORK 1

Quiz
•
Computers
•
10th Grade
•
Medium
Guru KPM-Guru-Temp
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
OPEN ENDED QUESTION
45 sec • 1 pt
Evaluate responses using AI:
OFF
2.
OPEN ENDED QUESTION
45 sec • 1 pt
sonsangkan teks sifer IMAHAFID HADUM JESEM kepada teks biasa
Evaluate responses using AI:
OFF
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suraj ingin menyulitkan suatu mesej
menggunakan Columnar Transposition.
Dia menggunakan kunci “SIHAT”
untuk menyulitkan mesej tersebut.
Berapakah bilangan lajur (column)
yang digunakan oleh Suraj?
4
5
6
7
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah teks sifer yang
mungkin terhasil apabila mesej
“PERTANDINGAN MELUKIS”
disulitkan dengan menggunakan
pelbagai jenis teknik Reverse cipher?
I NATREPNAGNID SIKULEM
II SIKULEM NAGNIDNATREP
III ULEMSIK NAGNIDNATREP
IV NAGNIDNATREP SIKULEM
i dan ii
i dan iii
ii dan iv
iii dan iv
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Teliti teks biasa berikut.
SELAMAT MAJU JAYA
Apakah teks sifer yang terhasil apabila
teks biasa ini disulitkan menggunakan
Caesar Cipher dengan kunci 2?
UGNCPCVPCLWLCAC
UGMCOCVOCLWLCAC
UGNCOCVOCLWLCAC
UHNCPCVPCLWLCAC
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Darren menyulitkan suatu mesej
untuk dihantar kepada Khairul.
Mesej yang dihantar itu telah
diceroboh oleh pihak lain kerana
Darren menggunakan kaedah sifer
yang menggunakan simbol. Apakah
kemungkinan teknik sifer yang
digunakan oleh Darren?
Caesar Cipher
Rail Fence Cipher
Pigpen Cipher
Columnar Transposition
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
kelemahan reverse chiper
mudah digunakan
menggunakan kunci
mesej mudah dinyahsulit
kawalan keselamatan ketat
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