300-070 · Question #296
300-070 Question #296: Real Exam Question with Answer & Explanation
The correct answer is C: *. On Cisco IOS gateways, digit manipulation is performed using translation rules. In a translation rule replacement pattern, the backslash '\' (D) is used as an escape or back-reference character-for example, '\1' refers to the first captured group from the match pattern, allowing
Question
Exhibit
Options
- A=
- B!
- C
- D\
- E0-9
Explanation
On Cisco IOS gateways, digit manipulation is performed using translation rules. In a translation rule replacement pattern, the backslash '' (D) is used as an escape or back-reference character-for example, '\1' refers to the first captured group from the match pattern, allowing matched digits to be retained while new digits are prepended. The asterisk '*' (C) is used in some digit-manipulation contexts as a wildcard or prefix operator within the rule syntax. Together, these allow you to prepend digits to the called number on outgoing calls. The equals sign '=' (A) is used for DNIS substitution in some contexts but not for prefixing. The exclamation mark '!' (B) is a wildcard in dial-peer destination patterns, not a manipulation character. Digits 0-9 (E) are valid in replacement strings but by themselves are not special manipulation operators for prefixing.
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