The following functions are carried out by the firewall:
(i) Filters the IP packets.
(ii) Open a part to only specific and reliable IP addresses.
(iii) Used to enable user privacy.
(iv) Used to enable anonymous surfing.
1
(i) and (ii) are correct
2
(i) and (iv) are correct
3
(ii) and (iv) are correct
4
(i) and (iii) are correct