Exam 70-483 topic 2 question 84 discussion

Actual exam question from Microsoft's 70-483

Question #: 84
Topic #: 2

You are implementing a method named GetValidPhoneNumbers. The GetValidPhoneNumbers() method processes a list of string values that represent phone numbers.
The GetValidPhoneNumbers() method must return only phone numbers that are in a valid format.
You need to implement the GetValidPhoneNumbers() method.
Which two code segments can you use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A. Option A
B. Option B
C. Option C
D. Option D

Show Suggested Answer

Suggested Answer: AB 🗳️
✑ Regex.Matches
Searches an input string for all occurrences of a regular expression and returns all the matches.
✑ MatchCollection
Represents the set of successful matches found by iteratively applying a regular expression pattern to the input string.
The collection is immutable (read-only) and has no public constructor. The Regex.Matches method returns a MatchCollection object.
✑ List<T>.Add Method
Adds an object to the end of the List<T>.

by supersunny at July 24, 2019, 1:44 p.m.

Comments

Submit Cancel

supersunny

Highly Voted 5 years, 11 months ago

AB are correct. They have tested.

upvoted 12 times

...

hseagraves

Most Recent 4 years, 5 months ago

Just tried this. Question appears to be wrong or I'm wrong. Says that it process a LIST of string values but the input is a string. Still, A and B appear to be correct.

upvoted 1 times

...