Question 11 : The dash duration is how many times the dot duration?
1. 1
2. 2
3. 3
4. 4
5.
View Answer   Discuss with Members

Question 12 : What is the basic unit of time measurement in Morse code transmission?
1. Dot duration
2. Dash Duration
3. Numeric Duration
4. Space Duration
5.
View Answer   Discuss with Members

Question 13 : Morse Code is named after which scientist?
1. Samuel F. B. Morse
2. Karl Morse
3. Judea Pearl
4. Daniel C. Morse
5.
View Answer   Discuss with Members

Question 14 : Which of the following is used as signal duration in Morse Code?
1. Dash
2. Forward Slash
3. Apostrophe
4. Ampersand
5.
View Answer   Discuss with Members

Question 15 : What is the length of the dot in Morse code?
1. 1 Unit
2. 7 Units
3. 5 Units
4. 3 Units
5.
View Answer   Discuss with Members

Question 16 : In which of the following cipher the plain text and the ciphered text does not have a same number of letters?
1. affine cipher
2. vigenere cipher
3. columnar cipher
4. additive cipher
5.
View Answer   Discuss with Members

Question 17 : Vigenere cipher is harder to decipher than keyword cipher.
1. true
2. false
3.
4.
5.
View Answer   Discuss with Members

Question 18 : Vigenere table consists of _________
1. 26 rows and 26 columns
2. 26 rows and 1 column
3. 1 row and 26 columns
4. 27 rows and 27 columns
5.
View Answer   Discuss with Members

Question 19 : Which of the following is not a type of poly alphabetic cipher?
1. Rotor cipher
2. Hill cipher
3. One time pad cipher
4. Multiplicative cipher
5.
View Answer   Discuss with Members

Question 20 : Which of the following correctly defines poly alphabetic cipher?
1. a substitution based cipher which uses multiple substitution at different positions
2. a substitution based cipher which uses fixed substitution over entire message
3. a transposition based cipher which uses multiple substitution at different positions
4. a transposition based cipher which uses fixed substitution over entire message
5.
View Answer   Discuss with Members