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LPI 010-160 Exam - Topic 9 Question 8 Discussion

Which operator in a regular expression matches the preceding character either zero or one time?
A) ?
B) *
C) +
D) %
E) $

LPI 010-160 Exam - Topic 9 Question 8 Discussion

Actual exam question for LPI's 010-160 exam
Question #: 8
Topic #: 9
[All 010-160 Questions]

Which operator in a regular expression matches the preceding character either zero or one time?

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Suggested Answer: A

by Vallie at May 07, 2022, 01:34 PM

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Kristofer
10 months ago
No way it's % or $; those are for other functions!
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Paulina
10 months ago
Wait, is it really just zero or one? That seems too simple!
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Lorrie
10 months ago
I thought it was * at first, but I see the difference now.
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Marquetta
10 months ago
Yup, I agree, it's the question mark.
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Francis
11 months ago
It's definitely the ? operator!
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Scarlet
11 months ago
I feel like I saw a similar question where the plus sign was mentioned, but I think that one is for one or more times.
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Rasheeda
11 months ago
I'm not entirely sure, but I remember practicing with regex and the asterisk matches zero or more, not just one.
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Kattie
11 months ago
I think the operator that matches zero or one time is the question mark, right?
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Oren
11 months ago
I’m confused; I thought the dollar sign had something to do with matching, but I can't recall its exact function.
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Jules
11 months ago
Okay, I think I understand the question. The key is figuring out what type of network elements can be added when accessing the u2000 management system.
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Ellsworth
11 months ago
Okay, let's see. The GDPR is all about protecting personal data, so anything that's not directly identifiable should be outside its scope. I'm leaning towards B, anonymized data, as the correct answer.
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Lauran
11 months ago
I'm leaning towards the option about adjusting RAM, CPU, and I/O resources because it sounds familiar from our last review session, but I still have doubts.
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Narcisa
11 months ago
Okay, I've got a strategy for this. I'll consider the key areas involved in compliance and which departments would be best suited to handle those.
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Leanna
11 months ago
I think the correct entry is B, because it relates directly to mobile and remote access for Cisco. But I'm not 100% sure.
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Shantell
11 months ago
I think Benford's Law might not apply here since it's more about detecting anomalies in large data sets, not straightforward comparisons of expenses.
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Felicidad
11 months ago
I have a feeling that if we're talking about Standardized Service Contracts, then the lack of a single invoice service for data access suggests that the pattern isn't fully applied.
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