單項(xiàng)選擇題When a BGP router is not capable of understanding 4-byte AS numbers, it will see 4-byte AS numbers as aspecial, reserved, 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one?()

A.00000
B.12345
C.23456
D.65000
E.99999


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B.2001:DB8::9 and 2001:DB8::10
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