
Chapter 2 QUIZ
Quiz
•
Computers
•
10th Grade
•
Medium
shaloof khalid
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When carrying out asymmetric encryption , which of the following users would keep the private key.
sender
receiver
all members
none of above
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is the final number in the code , which is calculated from rest of the numbers in the code.
Parity Check
CheckSum
Checkdigit
EchoCheck
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following statements about asymmetric encryption is true? Circle the correct answer.
uses a public key only
uses both public and private key
always uses 64 bit encryption
none of above
4.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Using an algorithm for ISBN- 13, calculate the CheckDigit for:
978151045759
2
3
1
5
5.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Find the Check Digit using Modulo 11 method.
213111000428
(note that step of weights assigning, will change as per length of the number)
5
6
7
10
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In encryption, which of the following is the term used to describe the message before it is encrypted. Choose correct answer.
Simpletext
plaintext
notext
ciphertext
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following methods uses an extra bit , added to a byte to ensure it contains an even number of 1's or odd number of 1's ? Choose correct answer.
CRC
ECHO
PARITY
ARQ
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