You are performing an in-service software upgrade (ISSU) on an QFX5100 Series device.
Which two statements are correct in this scenario? (Choose two.)
A . The ksyncd process is used to synchronize the state of the master RE to the new backup R
C . The dcd process is used to validate system configuration requirements.
D . The vccpd process is used to synchronize the state of the master RE to the new backup R
F . The mgd process is used to validate system configuration requirements.
Answer: A,D