COMPUTER NETWORKING

NETWORK SECURITY

FIREWALLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of firewall prevents access based on site ratings and classifications?
A
HIDS
B
Content filter
C
DMZ
D
Packet-filtering firewall
Explanation: 

Detailed explanation-1: -Application-layer firewalls are best used to protect enterprise resources from web application threats. They can both block access to harmful sites and prevent sensitive information from being leaked from within the firewall.

Detailed explanation-2: -Static Packet Filter The static packet filtering firewall operates only at the network layer (layer 3) of the OSI model and does not differentiate between application protocols. This type of firewall decides whether to accept or deny individual packets, based on examining fields in the packet’s IP and protocol headers.

Detailed explanation-3: -Application filtering-Prevents or allows access by specific application types based on port numbers.

Detailed explanation-4: -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-5: -Static packet filtering firewall. A static packet filtering firewall requires you to establish firewall rules manually. Dynamic packet filtering firewall. Stateless packet filtering firewall. Stateful packet filtering firewall. 24-Jun-2022

There is 1 question to complete.