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Exam DP-420 topic 6 question 3 discussion

Actual exam question from Microsoft's DP-420
Question #: 3
Topic #: 6
[All DP-420 Questions]

HOTSPOT -
You plan to implement con-iot1 and con-iot2.
You need to configure the default Time to Live setting for each container. The solution must meet the IoT telemetry requirements.
What should you configure? 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: On (3,600 seconds)
Note: Litware identifies the following IoT telemetry requirements:
Automatically delete items in con-iot1 after one hour unless a per-item time to live is set.
Box 2: On (no default)
Time to Live on a container (set using DefaultTimeToLive):
* If missing (or set to null), items are not expired automatically.
* If present and the value is set to "-1", it is equal to infinity, and items don't expire by default.
* If present and the value is set to some non-zero number "n" ג€" items will expire "n" seconds after their last modified time.
Note: Litware identifies the following IoT telemetry requirements:
Ensure that the items in con-iot2 persist regardless of the per-item time to live setting.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/time-to-live
by DudeWheresMyCar at Sept. 17, 2022, 6:04 p.m.

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DudeWheresMyCar
Highly Voted 1 year, 7 months ago
Answer two should be "Off" due to: Ensure that the items in con-iot2 persist regardless of the per-item time to live setting.
upvoted 27 times
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susejzepol
Highly Voted 1 year, 5 months ago
I think that the answer two must be "off" because the case says: "ensure that the items in con-iot2 persist regardless of per-item time to live setting.
upvoted 9 times
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Bviljoen
Most Recent 6 months, 3 weeks ago
For con-iot1: "Automatically delete items in con-iot1 after one hour unless a per-item time to live is set." This suggests that you should set a default TTL of one hour for con-iot1. For con-iot2: "Ensure that the items in con-iot2 persist regardless of the per-item time to live setting." This means you should ensure that items in con-iot2 don't get deleted by default, hence you should set it to Off to ensure data persists indefinitely. So, based on the options: con-iot1: on (3600 seconds) con-iot2: Off
upvoted 6 times
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