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CompTIA Exam FC0-U71 Topic 6 Question 2 Discussion

Actual exam question for CompTIA's FC0-U71 exam
Question #: 2
Topic #: 6
[All FC0-U71 Questions]

Which of the following data types would be best for storing data representing a phone number?

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Suggested Answer: A

A phone number is best stored as a string because it may include leading zeros, parentheses, dashes, or plus signs, which are not handled properly by numeric data types like integers or floats.

Other options:

Integer and float are numeric types unsuitable for formatted phone numbers,

Char holds only a single character.


by Queen at Jun 12, 2025, 11:57 AM

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Lawana
21 days ago
I disagree. B) Integer would be more efficient for storing phone numbers as it takes up less memory and allows for easier mathematical operations.
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Darrin
22 days ago
I think A) String is the best choice too. Phone numbers can have different lengths and special characters.
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Cheryl
26 days ago
Char? What is this, the stone age? String is the way to go, people.
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Ivette
9 days ago
I agree, using a string data type allows for flexibility and easy manipulation of phone number data.
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Peggy
14 days ago
String is definitely the best choice for storing phone numbers.
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Micheal
1 months ago
Float? Really? Who's gonna have a phone number with decimal places?
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Caprice
1 months ago
Integer, because phone numbers are just numbers, right? No need for all that string stuff.
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Lachelle
3 days ago
B) Integer
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Elizabeth
11 days ago
A) String
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Irving
1 months ago
String for sure, gotta fit all those digits in there!
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Evangelina
10 days ago
A) String is the way to go for phone numbers.
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Carmen
23 days ago
Definitely String, you need all those digits!
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Thurman
26 days ago
A) String
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Tora
1 months ago
A) String would be best for storing a phone number because it can hold a sequence of numbers and characters.
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