A new variant to traditional e-mail spam has emerged on VoIP networks, commonly known as ______________________.

A new variant to traditional e-mail spam has emerged on VoIP networks, commonly known as ______________________.

A.
Zeus messages

B.
Session migration messages

C.
SPIT

D.
Tunneling spam

Explanation:
SPIT (Spam over Internet Telephony) causes serious loss of VoIP
bandwidth and is a time-wasting nuisance for the people on the attacked network.
Because SPIT cannot be deleted like spam on first sight, the victim has to go
through the entire message. SPIT is also a major cause of overloaded voicemail
servers.