UGC NET Computer Science Q39

Question

Which of the following statements A-E about firewalls in computer networks are true ?
(A) Firewalls are only available as hardware devices and only examine traffic entering a network.
(B) Firewalls allow a user to set rules for network traffic.
(C) Firewalls will automatically stop all malicious traffic.
(D) Firewalls backup all data that is transmitted around a network.
(E) Firewalls can be used to block access to certain websites.
Choose the correct answer from the options given below :

Accepted Answer

(B) and (E) Only