COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK DEVICES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
To limit public access to just your DHCP server instead of your whole network.
|
|
|
To cache web pages.
|
|
|
To prevent hackers from accessing your network.
|
|
|
To translate between internet IP addresses and the IP addresses on your private network.
|
Detailed explanation-1: -Firewalls help to keep out intruders by blocking them from accessing your computer in the first place. Firewalls protect your computer system from viruses and other harmful software. You should install them on every system in your network.
Detailed explanation-2: -A firewall can help protect your computer and data by managing your network traffic. It does this by blocking unsolicited and unwanted incoming network traffic. A firewall validates access by assessing this incoming traffic for anything malicious like hackers and malware that could infect your computer.
Detailed explanation-3: -Firewalls prevent unauthorized access to networks through software or firmware. By utilizing a set of rules, the firewall examines and blocks incoming and outgoing traffic. Fencing your property protects your house and keeps trespassers at bay; similarly, firewalls are used to secure a computer network.
Detailed explanation-4: -A firewall is a network security system that tracks traffic on your computer and identifies any potential malicious activity. Once identified, many firewalls will attempt to block or restrict the malicious traffic from accessing your data. Firewalls can be both hardware and software, but the latter is much more common.