单选题What statement about Transit AS is true？（）ATraffic and prefixes originating from Source AS are carried across a Transit AS to reach theirdestination ASBTraffic and prefixes originating from Transit AS are carried across a Stub AS to their destination ASCTraffic and prefixes originating from Transit AS are carried across a Stub AS to their Source ASDNone of the above
单选题
What statement about Transit AS is true？（）
A
Traffic and prefixes originating from Source AS are carried across a Transit AS to reach theirdestination AS
B
Traffic and prefixes originating from Transit AS are carried across a Stub AS to their destination AS
C
Traffic and prefixes originating from Transit AS are carried across a Stub AS to their Source AS
D
None of the above
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