Which two security features are part of the Cisco Catalyst Integrated Security Toolkit, which is available on almost all Cisco Catalyst switches?

Which two security features are part of the Cisco Catalyst Integrated Security Toolkit, which is available on almost all Cisco Catalyst switches? (Choose two.)
A. DNS snooping
B. Port security
C. Static ARP inspection
D. IP source guard
E. SGACL
F. MACsec