FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following does a router acting as a firewall use to control which packets are forwarded or dropped?
A
ACL
B
IPsec
C
RDP
D
VNC
E
PPP
Explanation: 

Detailed explanation-1: -Which of the following does the router use for identifying allowed or denied packets? (a router acting as a firewall on layer 3 is capable of making forwarding decisions based on the ip address.

Detailed explanation-2: -Which of the following does a router use to determine where packets are forwarded to? EXPLANATION Routers use a routing table to determine where network packets are forwarded to. Router access control lists (ACLs) can be configured to increase security and limit traffic, much like a firewall but on the router level.

Detailed explanation-3: -While most routers include a built-in firewall to protect your network, not all are created equal. We’ve rounded up the top firewall routers to help your home Wi-Fi stay safe and secure. Jump to: Best firewall routers.

Detailed explanation-4: -Application-level gateway This kind of device–technically a proxy and sometimes referred to as a proxy firewall–functions as the only entry point to and exit point from the network.

Detailed explanation-5: -Expert-Verified Answer. A packet-filtering firewall includes a router to direct the flow of network traffic. Using screening rules, packet filtering routers maintain a continuous circulation of incoming and outgoing packets with maintaining the basic function of a router.

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