300-070 Question #20: Real Exam Question with Answer & Explanation

The correct answer is A: PreDot. In CUCM route patterns, a dot (.) acts as a separator between the access code and the actual dialed digits - for example, the pattern '9.XXXXXXXXXX' uses 9 as an outside access code. The PreDot discard instruction strips all digits before (and including) the dot, removing the acc

Question

Which discard digits instruction removes the access code from a number before passing the number onto an adjacent system?

Options

APreDot
BPreAt
CNoDigits
DTrailing-#

Explanation

In CUCM route patterns, a dot (.) acts as a separator between the access code and the actual dialed digits - for example, the pattern '9.XXXXXXXXXX' uses 9 as an outside access code. The PreDot discard instruction strips all digits before (and including) the dot, removing the access code so that only the actual destination number is forwarded to the PSTN or adjacent system. PreAt is used with the @ NANP wildcard, not with access codes.

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