QuestionQ66

Security Policies

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You must permit only ping and SSH access through the security policies displayed in the exhibit.

Which statement accomplishes this task?

  • A Rename policy Rule-2 to policy Rule-0.
  • B Insert policy Rule-2 before policy Rule-1.
  • C Replace application any with application [junos-ping junos-ssh] in policy Rule-1.
  • D Rename policy Rule-1 to policy Rule-3.
Explanation

Junos security policies are evaluated from top to bottom, and the first matching policy determines the action. The existing Rule-1 denies all traffic and shadows the more specific Rule-2. Inserting Rule-2 before Rule-1 permits only junos-ping and junos-ssh; the subsequent deny-all rule blocks every other application.

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