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Microsoft MB-820 Exam - Topic 2 Question 20 Discussion

Posted by Reiko on Sep 10, 2024 at 06:51 AM

You have a decimal variable named AmountlCY.

You need to round up the variable to four decimal places.

Which result value should you use?

Suggested Answer: A, C

The task is to identify unwanted incoming web service calls during the last seven days. To do this, we need to look at KQL (Kusto Query Language) queries that would filter out web service calls based on the timestamp (to ensure the calls are within the last seven days) and by certain characteristics that would indicate they are unwanted, such as the wrong type of protocol (SOAP in this case, as Contoso Ltd. plans to dismiss using it).

Looking at the options:

Option A: This query selects all traces where the timestamp is within the last 7 days and where the custom dimension has a value of 'RT0008', and where the category is either 'ODataV4', 'ODataV3', or 'Api'. This query would show all API calls except SOAP, so it does not directly answer the question about unwanted calls.

Option B: This query filters for traces with a timestamp within the last 7 days, where 'RT0008' is present, and specifically looks for the category 'SOAP'. This query is correct because it directly targets SOAP calls, which are the unwanted calls according to Contoso Ltd.'s plans.

Option C: Similar to option B, this query filters for traces within the last 7 days and looks for 'RT0008' but uses the equality operator for the category 'SOAP'. This would also correctly return the unwanted SOAP calls.

Option D: This query also filters for traces within the last 7 days, but it excludes the 'ODataV4' category, which doesn't necessarily target the unwanted SOAP calls.

Option E: This query selects traces where the timestamp is within the last 7 days and the custom dimension has 'RT0008'. However, it filters out categories 'ODataV4' and 'Api', which does not directly help in identifying the unwanted SOAP calls.

Therefore, the queries that should be used to determine if there are unwanted incoming web service calls (SOAP calls) in the tenant during the last seven days are Options B and C. These queries are specific to identifying SOAP protocol usage, which is what Contoso Ltd. considers unwanted.


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35 comments · newest first
LE
Leonor 11 months ago
B is incorrect, it doesn't round up properly.
ME
Melodie 11 months ago
Wait, are we sure about C? Looks a bit weird to me.
MI
Mireya 11 months ago
I agree with C, seems like the best choice!
GE
Gerri 12 months ago
Definitely not A, that syntax is off.
JO
Jordan 12 months ago
I think option C looks right for rounding up.
RI
Rickie 1 year ago
I'm leaning towards option B, but I’m a bit confused about the use of the equal sign and the decimal format.
SA
Samira 1 year ago
I feel like we did a similar question in class, and I thought the correct way was to use a specific format for the rounding function.
MA
Marcelle 1 year ago
I think option C looks familiar, but I can't recall if the syntax is correct for rounding up specifically.
LO
Lonny 1 year ago
I remember we practiced rounding functions, but I'm not sure if the second parameter should be a decimal like 0.0001 or just an integer.
MI
Mira 1 year ago
I'm feeling pretty confident about this one. The Round() function with the second parameter set to 0.0001 should do the trick.
CE
Celestina 1 year ago
Okay, I think I've got this. The key is to round up to four decimal places, so I'll go with option B.
WI
Willie 1 year ago
Hmm, the options are a bit confusing. I'll need to review the details of the Round() function to determine the right approach.
AR
Aretha 1 year ago
This looks like a straightforward rounding question, but I want to make sure I understand the syntax for the Round() function correctly.
TU
Tuyet 1 year ago
Wait, is it 'AmountLCY' or 'AmountlCY'? I'm already seeing double!
MA
Margurite 1 year ago
↳ replying to Tuyet
User 1
CA
Cammy 1 year ago
↳ replying to Tuyet
User 3
BR
Britt 1 year ago
↳ replying to Tuyet
User 2
WI
Wilford 1 year ago
↳ replying to Tuyet
User 1
KR
Kristian 1 year ago
I bet the exam writer is having a good laugh at our expense with this one.
MO
Mozell 1 year ago
This is a piece of cake! It's obviously C. I mean, who doesn't know the proper syntax for rounding up?
ME
Merissa 1 year ago
↳ replying to Mozell
Yes, C is the correct option for rounding up the variable to four decimal places.
TA
Tawna 1 year ago
↳ replying to Mozell
I agree, C is the right syntax for rounding up to four decimal places.
MA
Ma 1 year ago
↳ replying to Mozell
I think the correct answer is C.
AN
Angelyn 2 years ago
Hmm, I'm not sure about this one. I better double-check my notes on the Round() function.
FR
Francisca 1 year ago
↳ replying to Angelyn
C) Result: = Round (AmountLCY. 0.0001. '<')
BA
Barbra 1 year ago
↳ replying to Angelyn
I think option A is correct.
MI
Miesha 1 year ago
↳ replying to Angelyn
B) Result: = Round {AmountLCY. 0.0001. =')
AN
Angella 1 year ago
↳ replying to Angelyn
A) Result: = Round (AmountLCY, 0.0001, '>')
JO
Johnathon 2 years ago
Ah, rounding up to four decimal places - that's a classic problem. Let me see... I think B is the correct answer.
GE
Gennie 1 year ago
↳ replying to Johnathon
User 2: Yeah, I agree. B seems like the right choice.
KA
Kallie 2 years ago
↳ replying to Johnathon
User 1: I think B is the correct answer.
BA
Barbra 2 years ago
Wow, this question is really tricky! I'm going to have to think about this one carefully.
PA
Pa 2 years ago
I see your point, but I still think A) is the right choice because we want to round up the variable
TR
Troy 2 years ago
I disagree, I believe the answer is C) Result: = Round (AmountLCY, 0.0001, '<')
PA
Pa 2 years ago
I think the correct answer is A) Result: = Round (AmountLCY, 0.0001, '>')
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