Which statement is true when you plug in the eth1 network cable?

Examine the output of a bonded interface configuration from which one network cable has been
unplugged:
# cat /proc.net/bonding/bond0
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth2
MII Status: up
MII poling interval (ms): 100
Up Delay (ms): 0

Down Delay (ms): 0
Slave Interface: eth1
MII status: down
Link Failure Count: 1
Permanent HW addr: 00:0c:29:7b:3c:71
Slave Queue ID: 0
Slave Interface: eth2
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:7b:3s:7b
Which statement is true when you plug in the eth1 network cable?

A.
The status of the slave interface eth1 changes to up and is promoted to the active slave and
eth2 becomes the backup slave.

B.
The status of the slave interface eth1 changes to up and becomes a second active slave.

C.
The status of the slave interface eth1 changes to up but must be manually assigned the active
or backup slave role.

D.
The status of the slave interface eth1 changes to up and becomes the backup slave.

Explanation: