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Which three AS paths match the regular expression?

You are evaluating a routing policy for an ISP and you find the ^42+ .* (23|9)$ regular expression.
Which three AS paths match the regular expression? (Choose three.)

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A.
42 42 42 42 9

B.
42 42 23 500

C.
42 42 42 60 9

D.
42 60 23 9 42

E.
42 69 500 23

Explanation:

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