Question 61 : Which of the following is a type of transposition cipher?
1. Rail Fence cipher
2. Hill cipher
3. Rotor cipher
4. One time pad
View Answer   Discuss with Members

Question 62 : Poly alphabetic cipher harder to decipher than mono alphabetic cipher.
1. true
2. false
3.
4.
View Answer   Discuss with Members

Question 63 : Is Morse code speed measured in words per minute (wpm).
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 64 : Is Morse code speed measured in characters per minute (cpm)?
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 65 : Which of the following is a type of substitution cipher?
1. poly alphabetic cipher
2. transposition cipher
3. columnar cipher
4. rail fence cipher
View Answer   Discuss with Members

Question 66 : Which of the following ciphers are created by shuffling the letters of a word?
1. rotor cipher
2. rail fence cipher
3. vigenere cipher
4. hill cipher
View Answer   Discuss with Members

Question 67 : Space signal is of how many unit?
1. 1
2. 2
3. 3
4. 4
View Answer   Discuss with Members

Question 68 : In which of the following cipher the plain text and the ciphered text does not have same number of letters?
1. keyword cipher
2. vigenere cipher
3. transposition cipher
4. additive cipher
View Answer   Discuss with Members

Question 69 : Vigenere cipher is an example of ______________
1. mono-alphabetic cipher
2. poly-alphabetic cipher
3. transposition cipher
4. additive cipher
View Answer   Discuss with Members

Question 70 : What is meant by the single dot in Morse code?
1. A
2. C
3. B
4. E
View Answer   Discuss with Members