Exam PL-400 topic 2 question 61 discussion

Actual exam question from Microsoft's PL-400

Question #: 61
Topic #: 2

You create a custom page that is used as a contextual dialog in a model-driven app.

The app must be able to receive two contextual parameters by passing a concatenated string. The string must use the pipe (|) symbol with the recordId parameter.

You need to compose the formulas to extract parameter information.

Which two formulas should you compose? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

A. Left(Param("recordId"), Find("|", Param("recordId")) - 1)
B. Left(Param("recordId"), Len(Param("recordId")) - Find("|", Param(“recordId")))
C. Right(Param("recordId"), Len(Param("recordId")) - Find("|", Param(“recordId")))
D. Right(Param("recordId"), Find("|", Param("recordId")) - 1)

Show Suggested Answer

Suggested Answer: AC 🗳️

by PRash3566 at Oct. 13, 2024, 7:47 p.m.

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PRash3566

Highly Voted 8 months, 1 week ago

Should be AC

upvoted 9 times

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sugaSri

Most Recent 3 weeks, 5 days ago

Selected Answer: AC

If Param("recordId") = "abc123|xyz789": A returns "abc123" (everything before |) C returns "xyz789" (everything after |)

upvoted 1 times

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loftuscheek

4 months ago

Selected Answer: AC

Summary Correct Formulas: Option A: Correctly extracts the left part (before the pipe). Option C: Correctly extracts the right part (after the pipe). Incorrect/False Approaches: Option B: Although it might yield the correct output in some cases, it is conceptually less clear and not the best approach. Option D: Incorrect because it does not reliably calculate the correct substring length for the second parameter. Final Answer: The two formulas you should use are Option A and Option C.

upvoted 2 times

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rp2

5 months, 2 weeks ago

Selected Answer: AC

The correct formulas to extract the parameter information are: A. Left(Param("recordId"), Find("|", Param("recordId")) - 1) This formula extracts the part of the string before the pipe (|) symbol. C. Right(Param("recordId"), Len(Param("recordId")) - Find("|", Param("recordId"))) This formula extracts the part of the string after the pipe (|) symbol. These two formulas together will allow you to split the concatenated string into its two contextual parameters.

upvoted 2 times

rp2

5 months, 2 weeks ago

If you select A & B, you assume that EVERY TIME, the string is of the same length before and after the "|".

upvoted 1 times

rp2

5 months, 2 weeks ago

Correction: If you select B & C, you assume that ...

upvoted 1 times

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DevInProgress

7 months ago

A and C are correct because: A: It extracts the left part before the delimiter |, which is essential to obtain the first parameter. C: Extracts the right part after the delimiter |, which is necessary to obtain the second parameter. The formulas exactly follow the logic for splitting a delimited string.

upvoted 3 times

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