Which troubleshooting tools are available on the Cisco TelePresence VCS (X5 or above)?

Which troubleshooting tools are available on the Cisco TelePresence VCS (X5 or above)?

A.
H.323, SIP, and ISDN syslogs for each endpoint registered, all logs for all calls on the
network

B.
system resources, call history, search history, zone and subzone status, warnings, event
logs

C.
configuration logs for all endpoints registered, endpoint status logs, and Cisco
TelePresence MCU conference reports

D.
searches, locate tools, check rules, syslog, call history, current calls, call logs from the
endpoints