Which log shows the interaction events between these co…

An administrator is troubleshooting network communications between the vCenter Server and the ESXi 6.x host.
Which log shows the interaction events between these components?

A.
/var/log/syslog.log

B.
/var/log/hostd.log

C.
/var/log/vpxa.log

D.
/var/log/fdm.log