COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

DEFINITION AND CLASSIFICATION OF COMPUTERS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which statement is true about firewalls?
A
With a firewall in place, users will never need to worry about viruses and malware
B
A firewall is a device that protect the hard drive from fire damage
C
Firewalls use a set of rules to protect computers from harmful network traffic
D
Firewalls are outdated and have largely been replaced by antivirus software
Explanation: 

Detailed explanation-1: -The correct answer is It is unable to permit legitimate communication to pass. A firewall is a network security device/software that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules.

Detailed explanation-2: -The correct answer is option 4. Network layer Firewall can filter on Source And Destination IP address, Source and Destination Port no for both TCP and UDP packet.

Detailed explanation-3: -Simply put, inbound firewall rules protect the network against incoming traffic from the internet or other network segments–namely, disallowed connections, malware and denial-of-service (DoS) attacks.

There is 1 question to complete.