Refer to the exhibit.
Which AS-PATH access-list regular expression should be applied on R2 to allow only
updates that originate from AS-65001 or an AS that attaches directly to AS-65001?
A.
^65001_[0-9]*$
B.
_65001^[0-9]*
C.
65001_[0.9]$
D.
^65001_*$