Scenario: An administrator notices that each time the secondary node of a high availability (HA) pair
is restarted, the primary node shifts to a non-working state.
The administrator runs a command and collects the information displayed below:
1) Node ID. 0
IP: 172.31.250.10
Node StatE. NOT UP
Master StatE. Secondary
INC StatE. DISABLED
Sync StatE. DISABLED
Propagation: ENABLED
Enabled Interfaces : 1/5 1/1 1/2 1/4 0/1
Disabled Interfaces : 1/3
HA MON ON Interfaces : 1/4 1/1 0/1
Interfaces on which heartbeats are not seen : 1/4 1/1 1/2 1/5 0/1
Interfaces causing Partial FailurE. 1/4
SSL Card Status: UP
Hello Interval: 200 msecs
Dead Interval: 3 secs
Node in this Master State for: 0:0:0:35 (days:hrs:min:sec)
2) Node ID. 1
IP: 172.31.250.20
Node StatE. UNKNOWN/DOWN
Master StatE. UNKNOWN
INC StatE. UNKNOWN
Sync StatE. UNKNOWN
Propagation: UNKNOWN
Enabled Interfaces : UNKNOWN
Disabled Interfaces : UNKNOWN
HA MON ON Interfaces : UNKNOWN
SSL Card Status: UNKNOWN
What could be the cause of this issue?

A.
Synchronization is disabled.
B.
The Hello Interval is set too high.
C.
One of the interfaces is disabled.
D.
One of the HA Monitoring interfaces is failing.