Cisco
210-060 · Question #80
210-060 Question #80: Real Exam Question with Answer & Explanation
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Question
A company has a 5-digit dial plan. A junior engineer inquires about the directory number external masks. Why are external masks used?
Options
- Ato block calling number identification
- Bto enable called number identification
- Cto convert the calling directory number to the PSTN routable calling directory number
- Dto associate a directory number with a SIP endpoint
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