A set of components used to restrict access to data and information on network is called…..
a) antivirus
b) firewall
c) switching
d) none of these
How many major kinds of firewalls?
a) one
b) two
c) three
d) four
Explanation: packet filtering, proxy firewall
Which of the following are disadvantages of proxy server?
a) adding services can be difficult
b) problem with network failure
c) run very slowly
d) all of these
Which of the following are disadvantages of packet filtering?
a) fragmenting the data packet
b) difficult to implement complex ACL
c) not all services can be filtered
d) all of these
