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Exam AZ-104 topic 6 question 6 discussion

Actual exam question from Microsoft's AZ-104
Question #: 6
Topic #: 6
[All AZ-104 Questions]

HOTSPOT -
You have an Azure virtual machine named VM1 and a Recovery Services vault named Vault1.
You create a backup policy named Policy1 as shown in the exhibit. (Click the Exhibit tab.)

You configure the backup of VM1 to use Policy1 on Thursday, January 1 at 1:00 AM.
You need to identify the number of available recovery points for VM1.
How many recovery points are available on January 8 and January 15? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Show Suggested Answer Hide Answer
Suggested Answer:
Box 1: 6 -
5 latest daily recovery points, which includes the weekly backup from the previous Sunday, plus the monthly recovery point.

Box 2: 8 -
5 latest daily recovery points, plus two weekly backups, plus the monthly recovery point.
Reference:
https://social.technet.microsoft.com/Forums/en-US/854ab6ae-79aa-4bad-ac65-471c4d422e94/daily-monthly-yearly-recovery-points-and-storage-used? forum=windowsazureonlinebackup
by Raakezz at Dec. 5, 2020, 12:54 p.m.

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fedztedz
Highly Voted 3 years, 11 months ago
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
upvoted 157 times
XolexHp
3 years, 2 months ago
I totally dont understand why only 6 - 8 recovery point??? Why we have daily backup, it means that everyday, each day has a point => Then means, from 1 JAN to 8 JAN we had 8 days <=> 8 points?!?! Please help meeeeee
upvoted 7 times
imartinez
3 years, 2 months ago
Check for retention of daily backup point, in the daily case is set to 5, that means that every daily BK, called recovery points by Azure, oldest than 5 days will be deleted. https://docs.microsoft.com/en-us/azure/backup/backup-azure-vm-backup-faq
upvoted 23 times
XolexHp
3 years, 2 months ago
Thank you, imartinez, understood
upvoted 6 times
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Otijames
1 year, 3 months ago
I don't understand why you all start counting the daily retention period from 4th..is it not to be counted from the 1st jan? Pleaseeee help me here??
upvoted 1 times
[Removed]
3 months, 2 weeks ago
Each Daily Backups only being retained for 5 days; which means 1st, 2nd, and 3rd January's backup already deleted by 8th Jan 2pm. = 4, 5, 6, 7, 8 Jan backups remained = 5 backups But the 2nd January is Yearly Backup point, so it is also retained (for 5 years) = Therefore 5 backups + 1 backup = 6 backups at 8 Jan 2pm
upvoted 1 times
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Miles19
3 years, 7 months ago
correct.
upvoted 2 times
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PRabiu
3 years, 10 months ago
15th Jan is a Friday = 5 daily backups (Monday - Friday) + 2 Weekly (2 sundays) + 1 Monthly = 8 backups
upvoted 12 times
Franpb90
3 years, 6 months ago
15th Jan is a Thursday, and 1 weekly backup is the same that 1 daily backup. It should be 7 the second answer.
upvoted 4 times
learning23497
2 years, 5 months ago
How do you know it is Thursday? No year is mentioned. Also - 8 is the closest answer to 7, so in that case i would also go with 8 :-)
upvoted 2 times
Grimstad
2 years, 5 months ago
It says January 1st is a Thursday, which would make the 15th also a Thursday.
upvoted 5 times
Turbosco
1 year, 6 months ago
Box 1 is 6: 5 Daily backups (4 Jan - 8 Jan including weekly backup at 4 Jan ) + Monthly backup (2 Jan) Box 2 is 8: 5 Daily backups (11 Jan - 15 Jan including weekly backup at 11 Jan) + 1 Weekly backup (4 Jan) + 1 Monthly backup (2 Jan) + 1 Yearly backup (9 Jan)
upvoted 3 times
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jimmyli
3 years, 7 months ago
in other words, 2nd box should be 7 which is not included in the four choices. because yearly backup is not mentioned, the correct answer should be 5 daily backups including the latest weekly backup + 1 weekly for the previous weekend + 1 monthly backup
upvoted 12 times
Thomas_L
3 years, 7 months ago
its 6. We retain the 5 daily backups from January 4th - January 8th. There is a weekly backup on the 4th that we do NOT include in the count because it's already backed up by the 5-day retention period of the daily backups. Then we have a monthly backup on the 2nd, that is outside the 5-day retention period. 5 daily backups + 1 monthly backup = 6 backup points.
upvoted 41 times
MrJJ10
1 year, 12 months ago
I understand this explanation very good, however Weeklys started on the 1st @ 1400, and yes you only retain 5 Daily backups, which would be the 4th-8th. The monthly is scheduled to take place on the 2nd and Retain for 20 weeks. Not understanding why would you count a Weekly Back (Sunday at 2pm) as part of the Daily when Weekly's are maintained for 20 weeks. I think the count would be 7 (5 Daily(4th-8th) + 1 Weekly(Sunday) + 1 monthly(2nd which is a Friday)). I understand that 7 is not part of the presented answers so you would have to go with 6. My real world Weekly backups run seperately from the Daily.
upvoted 4 times
ygnacioL
1 year, 1 month ago
Totally agree
upvoted 1 times
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nbudummies
3 years, 5 months ago
Where is the yearly backup? it's should be 7 as jimmy comment.
upvoted 2 times
msidy2020
3 years, 5 months ago
why does yearly backup run before Jan 8th 2 PM ? it is not even scheduled
upvoted 1 times
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mlantonis
Highly Voted 3 years, 6 months ago
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
upvoted 89 times
cloudera
2 years, 6 months ago
8th January = 5 daily backups. How did we come up with 5 days? On the question, I can't see any description that says backups only happen on the weekdays. So backups Mon-Sunday be 7 backups + 1 weekly + 1 Monthly = 9 backups. What am I missing here? Can someone explain to me? Thanks
upvoted 1 times
Grimstad
2 years, 5 months ago
Daily backups are only retained for 5 days, so you will only have a maximum of 5 daily backups. Monday-Friday doesn't make any sense to me - whether it's a weekday or not is irrelevant.
upvoted 2 times
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Henryjb3
1 year, 10 months ago
Why is the 1 weekly backup included in box 1 then not included in box 2?
upvoted 4 times
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jose
3 years, 1 month ago
The answer is correct, but the explanation is not because 15th January is Thursday. So: 5 daily backups (11th Sunday weekly backup included) + 1 weekly backup (4th Sunday) + 1 Monthly + 1 Yearly = 8 backups Box 2: 8.
upvoted 30 times
op22233
7 months ago
Perfect, mlantonis made that mistake, but the answer still correct.
upvoted 1 times
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itgg11
2 years, 9 months ago
Jose you are spot on. mlantonis missed a yearly backup on 09.01. 6 and 8 recovery points still.
upvoted 7 times
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Otijames
1 year, 3 months ago
But the month started on the 2nd and the daily starts counting from the 1st - 5th so it should be 1. 4 daily + 1 daily/weekly/monthly = 5 2. 4 daily + 1 daily/weekly/monthly + 1 yearly =7
upvoted 2 times
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codered4409
Most Recent 4 days, 17 hours ago
Answer : 6 total backups ================================ 2-Jan Thursday Monthly 3-Jan Friday 4-Jan Saturday Daily 5-Jan Sunday Daily, Weekly 6-Jan Monday Daily 7-Jan Tuesday Daily 8-Jan Wednesday Daily Answer : 8 total backups ================================ 2-Jan Thursday Monthly 3-Jan Friday 4-Jan Saturday 5-Jan Sunday Weekly 6-Jan Monday 7-Jan Tuesday 8-Jan Wednesday 9-Jan Thursday Yearly 10-Jan Friday 11-Jan Saturday Daily 12-Jan Sunday Daily, Weekly 13-Jan Monday Daily 14-Jan Tuesday Daily 15-Jan Wednesday Daily
upvoted 1 times
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jodtzz
2 weeks, 5 days ago
The answer is correct. 6, 8. The important thing to keep in mind here is that there are not separate backups for daily vs. weekly vs. monthly vs. yearly - they all use the same backups. For example, the yearly backup occurring on January 9 also represents the daily backup for that day. However, they are retained separately. So the backup on January 9 is not purged by the daily retention policy, but rather the yearly.
upvoted 2 times
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SeMo0o0o0o
1 month, 3 weeks ago
CORRECT 1st January is Thursday so 4th January is Sunday, here where we should start; 8th. 5 daily (1 weekly included & not counted) + 1 monthly = 6 15th. 5 daily (1 weekly included & not counted) + 1 weekly counted + 1 monthly + 1 yearly = 8
upvoted 1 times
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manawey
1 month, 4 weeks ago
Sorry guys, I believe the explanations for answers are all wrong. We must understand Grandfather-Son (GFS) backup policy as defined by Azure. If assumed and applied here, the following backup recovery points will be retained: Box 1 = 6: 4 daily (Monday-5th, Tuesday-6th, Wednesday-7th, Thursday-8th), 1 weekly (Sunday, January 4th), 1 monthly (Friday, January 2nd). Box 2 = 8: 4 daily (Monday-12th, Tuesday-13th, Wednesday-14th, Thursday-15th), 2 weekly (Sundays the 4th & 11th), 1 monthly (Friday, January 2nd), 1 yearly (Friday, January 9th). Graph it yourselves. Reference: https://learn.microsoft.com/en-us/azure/backup/azure-backup-glossary
upvoted 1 times
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joolitan
2 months ago
------------------------------------------------------ 01-Jan Thu Daily 02-Jan Fri Daily Monthly 03-Jan Sat Daily 04-Jan Sun Daily Weekly 05-Jan Mon Daily 06-Jan Tue Daily 07-Jan Wed Daily 08-Jan Thu Daily ------------------------------------------------------ 09-Jan Fri Daily Yearly 10-Jan Sat Daily 11-Jan Sun Daily Weekly 12-Jan Mon Daily 13-Jan Tue Daily 14-Jan Wed Daily 15-Jan Thu Daily ------------------------------------------------------
upvoted 1 times
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joolitan
2 months ago
Start 01 Jan is Thu, 1am Daily, retention 5 days Sun Weekly, retention 20 Week 2nd Monthly, retention 24 month 9th Yearly, retention 5 years 08 Jan = 5 daily ( inclusive of 1 weekly ) + 1 monthly = 6 backups 15 Jan = 5 daily ( inclusive of 1 weekly ) + 1 weekly (4th Jan) + 1 monthly (2th Jan) + 1 yearly (9th Jan) = 8 backups
upvoted 1 times
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shobhitmathur18
4 months, 4 weeks ago
how are we suppose to do this in our mind in exam? I have the online exam tomorrow, no pen paper allowed.. any tips?
upvoted 2 times
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bobothewiseman
8 months, 1 week ago
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
upvoted 1 times
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tashakori
8 months, 2 weeks ago
Given answer is correct
upvoted 1 times
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31c21da
10 months, 1 week ago
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.
upvoted 1 times
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Bloodygeek
10 months, 2 weeks ago
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.
upvoted 5 times
itismadu
2 months ago
Correct. I had to draw up a calendar on excel and map out the backups. I came here to write my discoveries but first look for similar answer and i found yours. The time of the backup also plays a role
upvoted 1 times
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SkyZeroZx
10 months, 3 weeks ago
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
upvoted 7 times
errorfetch
5 months, 1 week ago
Thanks a lot for the simple explanation.
upvoted 1 times
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SgtDumitru
1 year ago
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
upvoted 9 times
WeepingMaplte
11 months, 4 weeks ago
This correct.
upvoted 1 times
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tccrew
1 year ago
Can someone explain to me why the weekly backup should be included in the 5 daily backups for 8 Jan?
upvoted 1 times
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Superego
1 year ago
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)
upvoted 3 times
WeepingMaplte
11 months, 4 weeks ago
Box 2: Will be 8. Reason is the retention of weekly and monthly backup points.
upvoted 1 times
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