Which regular expression will only allow prefixes that originated from AS 65000 and that are learned through AS 65001?
A. ^65000_65001$
B. 65000_65001$
C. ^65000_65001
D. ^65001_65000$
Which regular expression will only allow prefixes that originated from AS 65000 and that are learned through AS 65001?
A. ^65000_65001$
B. 65000_65001$
C. ^65000_65001
D. ^65001_65000$