What are three advantages of out-of-band (OoB) management over in-band management? (Choose three.)

What are three advantages of out-of-band (OoB) management over in-band management? (Choose three.)
A . OoB allows the use of Telnet as a management protocol.
B . OoB provides increased network security.
C . OoB is more cost-effective when purchasing equipment.
D . OoB provides more reliable management access.
E . OoB frees up network bandwidth on campus switches.

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Answer: BDE