Please answer the following questions in details

a) What are the features of Software Defined Network (SDN) and how does SDN separate software from hardware?

b) What are the features and architecture of SNMP (including v1, v2, and v3)?

c) What are the features of Resource ReSerVation Protocol (RSVP)?

d) Does the malware reside on the host and perform hacking remotely? Explain.

e) Compare the difference between IPv4 and IPv6 security.