Answer is correct in case yearly backup is also in the question. If we assumed we have yearly, then the answer will be: - @8 JAN: 5 daily backups ( 1 weekly backup included) + 1 monthly = 6 - @ 15 JAN: 5 daily backups ( 1 weekly backup included) + 1 weekly + 1 monthly +1 yearly = 8 backups

Correct Answer: Box 1: 6 5 latest daily recovery points, which includes the weekly backup from the previous Sunday, plus the monthly recovery point. 8th January = 5 daily backups (1 weekly backup included) + 1 Monthly = 6 backups Box 2: 8 5 latest daily recovery points, plus two weekly backups, plus the monthly recovery point. 15th January is a Friday = 5 daily backups (Monday - Friday) + 2 Weekly (2 Sundays) + 1 Monthly = 8 backups

Jan 1 - 4 = 1 weekly backup Jan 5 - 8 = 4 daily backup Jan 2. = 1 monthly backup Answer is 6 Jan 1 - 4 = 1 weekly backup Jan 5- 11 = 1 weekly back up Jan 12-15= 4 daily backups Jan 2. = 1 monthly backup Jan 9. = 1 yearly backup Answer is 8

Given answer is correct

I see someone asking why the first week's backup starts from the 4th. I was also initially confused by this. In fact, the 'Retention of daily backup point' refers to how many days of backups you can retain. Therefore, the logic is on 8th, you can only retain the backups from the 4th to the 8th, as the daily backups before the 3rd would have already been automatically deleted.

Answer is correct. Box 1 on 8 JAN Had 5 daily backups. 4,5,6,7,8 JAN 1 weekly backup. However, 4 JAN was a Sunday. The time of weekly backup is the same as the daily backup. So this does not count 1 Monthly backup 2 JAN. No Yearly backup as it only starts at 9 JAN. In total, it had 5+1=6 backups. Box 2 on 15 JAN Had 5 daily backups. 11,12,13,14,15 JAN 2 weekly backup. However, 11 JAN was a Sunday covered by daily backup for 5 days retention. The time of weekly backup is the same as the daily backup. So there was only 1 valid weekly backup. 1 Monthly backup 2 JAN. 1 Yearly backup 9 JAN. In total, it had 5+1+1+1=8 backups.

Is important to be careful what this question is asking: Recovery Points or Backups ? 1 recovery point can be used for multiple backups, which means that if a Weekly RP & Daily RP overlaps, there will be only 1 RP but 2 Backups. Box 1: 5 Daily RP (4, 5, 6, 7, 8 Jan) 0 Weekly RP (4 Jan is already present in Daily RP, so no new RP is added) 1 Monthly RP (2 Jan) TOTAL: 6 RP Box 2: 5 Daily RP (11, 12, 13, 14, 15 Jan) 1 Weekly RP (4 Jan; 11 Jan is already present in Daily RP) 1 Monthly RP (2 Jan) 1 Yearly RP (9 Jan) TOTAL: 8 RP

Is important to be careful what this question is asking: Recovery Points or Backups ? 1 recovery point can be used for multiple backups, which means that if a Weekly RP & Daily RP overlaps, there will be only 1 RP but 2 Backups. Box 1: 5 Daily RP (4, 5, 6, 7, 8 Jan) 0 Weekly RP (4 Jan is already present in Daily RP, so no new RP is added) 1 Monthly RP (2 Jan) TOTAL: 6 RP Box 2: 5 Daily RP (11, 12, 13, 14, 15 Jan) 1 Weekly RP (4 Jan; 11 Jan is already present in Daily RP) 1 Monthly RP (2 Jan) 1 Yearly RP (9 Jan) TOTAL: 8 RP

Can someone explain to me why the weekly backup should be included in the 5 daily backups for 8 Jan?

For Box 1: 6 Date Daily Backup Weekly Backup Monthly Backup Thursday Jan-1 N (Deleted) Friday 2 N (Deleted) Y (A) Saturday 3 N (Deleted) Sunday 4 Y (B) Y (B) Monday 5 Y (C) Tuesday 6 Y (D) Wednesday 7 Y (E) Thursday 8(14:00) Y (F) A-B-C-D-E-F 6 copies. Daily backup and weekly backup on Jan-4 is the same copy (B)

the misleading thing here is that the weekly, monthly and even the yearly backup starting same hour, so are overlapping with the daily one

On Jan 8th: 5 daily + 1 monthly (on 2nd Jan) = 6 backups On Jan 15th: 5 daily + 1 monthly (on2nd Jan) + 1wekly (4th Jan) + 1 Yearly (9th Jan) =8 backups.

i hated this question, it came in my exam 25/9/2023. have no idea whats the right solution, good luck to all

So the puzzle , starting 1 Jan (Thursday ) till 15 Jan (Thursday) -- will have Daily backups , and on Sunday there will be Weekly backup as well at 2.00AM , Monthly every 2 day of Month and on 9 Jan yearly on 8 Jan (Thrs) at 2.00 AM - we see , daily backup of [ Wed (7), Tues (6) , Mon (5),Sun(4)(weekly) , Sat (3) = 5 ] and Monthly Friday(2) === so a total 6 [ Fri(2) , Thrs (1) are not retained and Fri(9) yearly did not happen yet ] on 15 Jan (Thrs) --we See Dailys for [14(Wed)+13(Tue)+12(Mon)+11(Sun)+10(Sat) = 5 ] + Weekly on Sundays [4 (Sun) = 1] + [Monthly on 2(Friday) =1 ] + [yearly on 9 (Fri) =1] = 8

you need to be an effin mathematician to solve this. why is this even a question?

Box 1: 6 5 latest daily recovery points, which includes the weekly backup from the previous Sunday, plus the monthly recovery point. 8th January = 5 daily backups (1 weekly backup included) + 1 Monthly = 6 backups Box 2: 8 5 daily backups (11th Sunday weekly backup included) + 1 weekly backup (4th Sunday) + 1 Monthly + 1 Yearly = 8 backups

It probably doesnt count the yearly backup, as it just started 9 days after creation of that job, so it doesnt count as a complete yearly backup for now ...