Which statements about using leased lines for your WAN infrastructure are true?

A.	Leased lines provide inexpensive WAN access.
B.	Leased lines with sufficient bandwidth can avoid latency between endpoints.
C.	Leased lines require little installation and maintenance expertise.
D.	Leased lines provide highly flexible bandwidth scaling.
E.	Multiple leased lines can share a router interface.
F.	Leased lines support up to T1 link speeds.