What is the correct regular expression syntax for matching a route that originated in AS 300?

IT Questions BankCategory: CCNPv8 ENCORWhat is the correct regular expression syntax for matching a route that originated in AS 300?

What is the correct regular expression syntax for matching a route that originated in AS 300?

  • ^300_
  • $300!
  • _300_
  • _300$

Explanation:

Regular Expression Meaning
^$ Local originating routes
permit ^200_ Only routes from neighbor AS 200
permit _200$ Only routes originating from AS 200
permit _200_ Only routes that pass through AS 200
permit ^[0-9]+ [0-9]+ [0-9]+? Routes with three or fewer AS_Path entries

Exam with this question: CCNPv8 ENCOR Chapter 12: Do I Know This Already? Quiz Answers

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