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Exam MS-720 topic 1 question 9 discussion

Actual exam question from Microsoft's MS-720
Question #: 9
Topic #: 1
[All MS-720 Questions]

HOTSPOT -
You have a Microsoft Teams Phone deployment.
You have a dial plan that contains the following normalization rule:
✑ Pattern: ^8?(\d{7})$

Translation: +1330$1 -

How will the phone numbers be normalized? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

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Suggested Answer:
by Stove1 at Dec. 16, 2021, 9:09 p.m.

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Chosen Answer:
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Stove1
Highly Voted 3 years, 4 months ago
Both answers are +13305551212. Note the brackets do not include the optional leading digit 8
upvoted 51 times
IgorMatic
3 years, 4 months ago
this is correct, i just tested it in my tenant. The option "Test this rule" is really useful.
upvoted 7 times
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covid_9
Highly Voted 3 years, 4 months ago
Bloody Smokes. Agree with Stove1 and IgorMatic .. Just tested it in my tenant and both answers are +13305551212.
upvoted 7 times
rgnl1
3 years, 4 months ago
Not sure what you tested. I tested aswell and got the results like suggested. The translation is added before the number so the 8 is kept in the second example.
upvoted 5 times
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uaitiagop
Most Recent 2 months ago
Both answers are +13305551212. The digit 8 may be used as an internal dialing prefix in a PBX system. In some organizations, it is common to dial a specific number before making external calls.
upvoted 1 times
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mbergen
2 years, 1 month ago
I tested on a demo tenant, both are +13305551212
upvoted 2 times
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Jackskid
2 years, 3 months ago
both answers are +13305551212. +1330$1 will not carry over the 8 +1330$0 will carry over the 8
upvoted 1 times
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khader09
2 years, 5 months ago
Both are +13305551212
upvoted 2 times
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Tyffty
2 years, 11 months ago
When I test in my tenant the 8 carries over so I'm going to go with 8555 and 555
upvoted 1 times
Tyffty
2 years, 11 months ago
Actually I tried again and 8 doesn't carry over.
upvoted 1 times
Tyffty
2 years, 11 months ago
+1330$0 will carry over the 8 +1330$1 will not carry over the 8
upvoted 3 times
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tester18128075
2 years, 11 months ago
Both answers are +13305551212
upvoted 1 times
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pkk_84
3 years, 1 month ago
Both answers are +13305551212. I tested this in my test tenant and it returns value of +13305551212 for either of these.
upvoted 2 times
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VMan74
3 years, 1 month ago
So wich is the correct anwnser here ?
upvoted 1 times
Shashank1320
3 years, 1 month ago
1330 - followed by 7 digits
upvoted 1 times
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ViSr
3 years, 2 months ago
Agree with Stove1 . Both answers are +13305551212 because of how brackets are placed
upvoted 3 times
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MB1999
3 years, 2 months ago
If you actually test this in TAC, it does carry the 8 over. So presumably for the exam you would have to include the answer with the 133085551212
upvoted 1 times
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badguytoo
3 years, 2 months ago
yes, make sense... the 8 is optional.
upvoted 2 times
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LearnedBehavior
3 years, 2 months ago
Tested, both answers are +13305551212. It can also match the 8, however the variable $1 is assigned to the 7 digits in the parenthesis (5551212)
upvoted 2 times
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khader09
3 years, 3 months ago
Both answers are +13305551212.
upvoted 4 times
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Guru23
3 years, 3 months ago
Tested in lab Stove1 & IgorMatic arecorrect
upvoted 1 times
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Magdy414
3 years, 3 months ago
The regular expression ? means "Match 0 or 1 of the perceding set or character" the expression is ^8? --> means with 8 or without 8. so it will be +1330555xxx OR +13308555xxx.
upvoted 3 times
Shashank1320
3 years, 1 month ago
Nope. d{7} is there so only 7 digits after 1330
upvoted 1 times
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