Which of the following time stamp ordering protocol(s) allow(s) the following schedule?
S: W1(A), W2(A), W3(A), R2(A), R4(A);
Time Stamps: T1:5, T2:10, T3:15, T4:20
- Tomas Write Rule
- Basic Time Stamp
- Only 1
- Only 2
- Both 1 and 2
- Neither 1 nor 2
Please describe your answer.