Eces practice exam - Study guides, Class notes & Summaries

Which of the following is generally true about key sizes? a. Larger key sizes increase security b. Smaller key sizes increase security c. Key size is irrelevant to security d. Key sizes must be more than 256 bits to be secure - correct answer a. Larger key sizes increase security How did the ATBASH cipher work? a. By shifting each letter a certain number of spaces b. By Multi alphabet substitution c. By rotating text a given number of spaces d. By substituting each letter f...

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Fall 2022 with complete solution

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Latest 2022 with complete solution

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Already Passed 1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt the plain text? 3DES Tripl...

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Latest 2022 with complete solution 1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt...

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Latest 2022 with complete solution 1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt...

1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256

. How did the ATBASH cipher work? - correct answer By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? - correct answer 2^56 3. Which of the following are valid key sizes for AES (choose three)? - correct answer c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt the plain text? - correct answer 3DES Triple Data Encryption System 5. Which o...

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Already Passed 1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt the plain text? 3DES...