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300-070 · Question #384
300-070 Question #384: Real Exam Question with Answer & Explanation
The correct answer is E: 9. POTS dial-peers perform automatic digit stripping, removing the explicitly matched destination-pattern digits before forwarding the remainder out the configured port.
Question
An Engineer enters this configuration on a voice router Dial-peer voice 99 pots destination-pattern 115. Port 1/0/0 Which digits does the router send out of the port 1/0/0 after the user dial the digits 1159?
Options
- A1159
- B115
- C59
- D11
- E9
Explanation
POTS dial-peers perform automatic digit stripping, removing the explicitly matched destination-pattern digits before forwarding the remainder out the configured port.
Common mistakes.
- A. Sending all four dialed digits would only occur if the 'no digit-strip' command were applied to the POTS dial-peer, which is not configured here.
- B. Forwarding '115' would mean no stripping occurred at all, but POTS dial-peers strip the matched pattern digits by default.
- C. Forwarding '59' would result only if the single digit '1' were stripped, which does not reflect how the full pattern '115' is removed.
- D. Forwarding '11' would imply only '5' was stripped, which contradicts the rule that the entire matched destination-pattern string is removed.
Concept tested. POTS dial-peer automatic digit stripping
Reference. https://www.cisco.com/c/en/us/support/docs/voice/voice-quality/14081-pots-digit-strip.html
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