Which three AS paths match the regular expression?

Posted by: Pdfprep Category: JN0-660 Tags: , ,

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.)
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

Answer: A,C,E

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