MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Symmetric Ciphers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the 8-bit word related to the polynomial x6 + x + 1 |
| A. | 01000011 |
| B. | 01000110 |
| C. | 10100110 |
| D. | 11001010 |
| Answer» B. 01000110 | |
| 2. |
The GCD of x3 x + 1 and x2 + 1 over GF(3) is |
| A. | 1 |
| B. | x |
| C. | x + 1 |
| D. | x<sup>2</sup> + 1 |
| Answer» B. x | |
| 3. |
The GCD of x5+x4+x3 x2 x + 1 and x3 + x2 + x + 1 over GF(3) is |
| A. | 1 |
| B. | x |
| C. | x + 1 |
| D. | x<sup>2</sup> + 1 |
| Answer» D. x<sup>2</sup> + 1 | |
| 4. |
The GCD of x3+ x + 1 and x2 + x + 1 over GF(2) is |
| A. | 1 |
| B. | x + 1 |
| C. | x<sup>2</sup> |
| D. | x<sup>2</sup> + 1 |
| Answer» B. x + 1 | |
| 5. |
The result of (x2 P), and the result of (x (x P)) are the same, where P is a polynomial. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Is x4 + 1 reducible over GF(2) |
| A. | Yes |
| B. | No |
| C. | Can t Say |
| D. | Insufficient Data |
| Answer» B. No | |
| 7. |
Is x3 + x2 + 1 reducible over GF(2) |
| A. | Yes |
| B. | No |
| C. | Can t Say |
| D. | Insufficient Data |
| Answer» C. Can t Say | |
| 8. |
Is x3 + 1 reducible over GF(2) |
| A. | Yes |
| B. | No |
| C. | Can t Say |
| D. | Insufficient Data |
| Answer» B. No | |
| 9. |
(6x2 + x + 3)x(5x2 + 2) in Z_10 = |
| A. | x<sup>3</sup> + 2x + 6 |
| B. | 5x<sup>3</sup> + 7x<sup>2</sup> + 2x + 6 |
| C. | x<sup>3</sup> + 7x<sup>2</sup> + 2x + 6 |
| D. | None of the mentioned |
| Answer» C. x<sup>3</sup> + 7x<sup>2</sup> + 2x + 6 | |