MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
For the AES-128 algorithm there are __________ similar rounds and _________ round is different. |
| A. | 2 pair of 5 similar rounds ; every alternate |
| B. | 9 ; the last |
| C. | 8 ; the first and last |
| D. | 10 ; no |
| Answer» C. 8 ; the first and last | |
| 2. |
In AES the 4 4 bytes matrix key is transformed into a keys of size __________ |
| A. | 32 words |
| B. | 64 words |
| C. | 54 words |
| D. | 44 words |
| Answer» E. | |
| 3. |
The 4 4 byte matrices in the AES algorithm are called |
| A. | States |
| B. | Words |
| C. | Transitions |
| D. | Permutations |
| Answer» B. Words | |
| 4. |
How many rounds does the AES-256 perform? |
| A. | 10 |
| B. | 12 |
| C. | 14 |
| D. | 16 |
| Answer» D. 16 | |