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Which statement describes the question mark wildcard character in a SIP trigger that is configured on Cisco Unity Express?
Correct Answer: C
Explanation/Reference: Explanation: Table 5-2 Trigger Pattern Wildcards and Special Characters Character Description Examples X The X wildcard matches any single digit in the range 0 through 9. The trigger pattern 9XXX matches all numbers in the range 9000 through 9999. ! The exclamation point (!) wildcard matches one or more digits in the range 0 through 9. The trigger pattern 91! matches all numbers in the range 910 through 91999999999999999999999999999999. ? The question mark (?) wildcard matches zero or more occurrences of the preceding digit or wildcard value. The trigger pattern 91X? matches all numbers in the range 91 through 91999999999999999999999999999999. + The plus sign (+) wildcard matches one or more occurrences of the preceding digit or wildcard value. The trigger pattern 91X+ matches all numbers in the range 910 through 91999999999999999999999999999999. [] The square bracket ([ ]) characters enclose a range of values. The trigger pattern 813510[012345] matches all numbers in the range 8135100 through 8135105. - The hyphen (-) character, used with the square brackets, denotes a range of values. The trigger pattern 813510[0-5] matches all numbers in the range 8135100 through 8135105. ^ The circumflex (^) character, used with the square brackets, negates a range of values. Ensure that it is the first character following the opening bracket ([). Each trigger pattern can have only one ^ character. The trigger pattern 813510[^0-5] matches all numbers in the range 8135106