Which of the following statements are true regarding wildcards in the host name of an account specification?

A. The '%' character is used to match any number of characters or numbers
B. The '*' character is used to match any number of characters or numbers
C. The '_' character is used to match any number of characters or numbers
D. The '.' character is used to match any single character or number
E. Wildcards may be used to match any number of characters at the beginning of the host name or IP address only
F. Wildcards may be used to match any number of characters at the end of the host name or IP address only
G. Wildcards may be used to match any number of characters anywhere in the host name or IP address

Answer: A,G


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