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Free EC-Council Certified Encryption Specialist (ECES) Practice Questions

Question # 51

What advantage do symmetric algorithms have over asymmetric algorithms

Options:

A.  

It is easier to implement them in software

B.  

They are more secure

C.  

They are faster

D It is easier to exchange keys

Discussion 0
Question # 52

Asymmetric encryption method developed in 1984. It is used in PGP implementations and GNU Privacy Guard Software. Consists of 3 parts: key generator, encryption algorithm, and decryption algorithm.

Options:

A.  

Tiger

B.  

GOST

C.  

RIPEMD

D.  

ElGamal

Discussion 0
Question # 53

Which of the following is assured by the use of a hash?

Options:

A.  

Confidentiality

B.  

Availability

C.  

Authentication

D.  

Integrity

Discussion 0
Question # 54

In a ______ the attacker discovers a functionally equivalent algorithm for encryption and decryption, but without learning the key.

Options:

A.  

Information deduction

B.  

Total break

C.  

Instance deduction

D.  

Global deduction

Discussion 0
Question # 55

Which one of the following is an example of a symmetric key algorithm?

Options:

A.  

ECC

B.  

Diffie-Hellman

C.  

RSA

D.  

Rijndael

Discussion 0
Question # 56

Network of trusted certificate authority servers. Use asymmetric key pairs and combines software, encryption and services to provide a means of protecting security of business communication and transactions.

Options:

A.  

PKI

B.  

GOST

C.  

CA

D.  

PIKE

Discussion 0
Question # 57

In a Feistel cipher, the two halves of the block are swapped in each round. What does this provide?

Options:

A.  

Diffusion

B.  

Confusion

C.  

Avalanche

D.  

Substitution

Discussion 0
Question # 58

What is the formula m^e %n related to?

Options:

A.  

Encrypting with EC

B.  

Decrypting with RSA

C.  

Generating Mersenne primes

D.  

Encrypting with RSA

Discussion 0
Question # 59

How does Kerberos generate the first secret key in the authentication process?

Options:

A.  

By generating a random AES key

B.  

By creating a hash of the user password

C.  

By hashing the user ID, network I

D.  

and salt

D.  

By using the user's public key

Discussion 0
Question # 60

Developed by Netscape and has been replaced by TLS. It was the preferred method used with secure websites.

Options:

A.  

OCSP

B.  

VPN

C.  

CRL

D.  

SSL

Discussion 0

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