What is one of the requirements for a successful upgrade?

Matt wants to upgrade his old Security Management server to R80.x using the Advanced Upgrade with Database Migration .

What is one of the requirements for a successful upgrade?
A . Size of the /var/log folder of the source machine must be at least 25% of the size of the /var/log directory on the target machine
B . Size of the /var/log folder of the target machine must be at least 25% of the size of the /var/log directory on the source machine
C . Size of the $FWDIR/log folder of the target machine must be at least 30% of the size of the $FWDIR/log directory on the source machine
D . Size of the /var/log folder of the target machine must be at least 25GB or more

Answer: B

Explanation:

https://sc1.checkpoint.com/documents/R77/CP_R77_Gaia_Installation_and_Upgrade_Guide/

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