In the regular expression (ab|cd)+, what is the purpose of the parentheses?

They anchor the pattern to the start and end of the string.

They match the literal characters '(' and ')'.

They make the pattern case-insensitive.

They group the alternation so the plus quantifier applies to the entire group.

CiscoCertified CyberOps Associate

Domain 4Objective 10

4.10 Interpret Basic Regular Expressions 200-201 Practice Questions (Page 3)

Part of the 4.0 Network Intrusion Analysis domain, which accounts for 20% of the 200-201 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 1–2 from this objective — we provide 11 practice questions to prepare you well beyond it. (estimate)

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Questions 11–11

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In the regular expression (ab|cd)+, what is the purpose of the parentheses?
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4.10 Interpret Basic Regular Expressions 200-201 Practice Questions (Page 3)

Questions 11–11

In the regular expression (ab|cd)+, what is the purpose of the parentheses?

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