Eccouncil
212-81
Q1:
You are studying classic ciphers. You have been examining the difference between single substitution and multi-substitution. Which one of the following is an example of a multi-alphabet cipher?
○
A
Rot13○
B
Caesar○
C
Atbash○
D
Vigenre
Eccouncil
212-81
Q2:
What does the OCSP protocol provide?
○
A
Revoked certificates○
B
Hashing○
C
VPN connectivity○
D
Encryption
Eccouncil
212-81
Q3:
Bob's password is hashed, and so is John's. Even though they used different passwords, the hash is the same. What is this called?
○
A
A collision○
B
A mistake○
C
Convergence○
D
Transposition
Eccouncil
212-81
Q4:
Which of the following is an asymmetric algorithm that was first publically described in 1977?
○
A
Elliptic Curve○
B
Twofish○
C
DESX○
D
RSA
Eccouncil
212-81
Q5:
Cylinder tool. Wrap leather around to decode. The diameter is the key. Used in 7th century BC by greek poet Archilochus.
○
A
Cipher disk○
B
Caesar cipher○
C
Scytale○
D
Enigma machine