When configuring digit manipulation on a gateway which two do you use for prefixing digits on outgoing calls? (choose two)

Question

Exhibit

Options

• A=
• B!
• C
• D\
• E0-9

• A
  2% (1)
• B
  6% (3)
• C
  90% (46)
• E
  2% (1)

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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