Which are the four regional Internet registries?
a. APNIC, PICNIC, NANIC, RIPE NCC
b. APNIC, MOSTNIC, ARIN, RIPE NCC
c. APNIC, PICNIC, NANIC, ARIN
d. APNIC, LACNIC, ARIN, RIPE NCC
a. APNIC, PICNIC, NANIC, RIPE NCC
b. APNIC, MOSTNIC, ARIN, RIPE NCC
c. APNIC, PICNIC, NANIC, ARIN
d. APNIC, LACNIC, ARIN, RIPE NCC