| 1 | C | 2 | B | 3 | A | 4 | D | 5 | B |
| 6 | B | 7 | A | 8 | A | 9 | A | 10 | B |
| 11 | C | 12 | B | 13 | A | 14 | A | 15 | A |
| 16 | B | 17 | A | 18 | B | 19 | A | 20 | A |
| 21 | D | 22 | A | 23 | A | 24 | C | 25 | C |
| 26 | A | 27 | A | 28 | D | 29 | A | 30 | D |
| 31 | C | 32 | B | 33 | A | 34 | C | 35 | A |
| 1 | C | 2 | C | 3 | A | 4 | A | 5 | A |
| 6 | A | 7 | B | 8 | A | 9 | B | 10 | D |
| 11 | D | 12 | D | 13 | D | 14 | A | 15 | C |
| 16 | D | 17 | B | 18 | B | 19 | D | 20 | C |
| 21 | B | 22 | D | 23 | D | 24 | A | 25 | A |
| 26 | B | 27 | C | 28 | C | 29 | C | 30 | A |
| 31 | B | 32 | D | 33 | D | 34 | A | 35 | A |
| 1 | B | 2 | D | 3 | D | 4 | B | 5 | D |
| 6 | B | 7 | C | 8 | D | 9 | B | 10 | C |
| 11 | C | 12 | C | 13 | D | 14 | A | 15 | C |
| 16 | B | 17 | A | 18 | A | 19 | A | 20 | C |
| 21 | C | 22 | D | 23 | B | 24 | D | 25 | A |
| 26 | D | 27 | B | 28 | A | 29 | B | 30 | A |
| 31 | B | 32 | D | 33 | A | 34 | A | 35 | A |
CREST Cyber Olympiad (CCO) Answer Keys for the Academic Year 2023-24.