A packet filter protects the computer by using an access control list (ACL), which specifies which packets are allowed through the firewall based on IP address and protocol (specifically the port number). Windows Firewall is a packet filter and stateful host-based firewall that allows or blocks network traffic according to the configuration. The firewall monitors all traffic coming in and going out to prevent unauthorized access. To help protect your system, you should have a firewall between you and the outside world. Answer D is incorrect because IPsec is used to encrypt network traffic.īecause most computers are connected to the Internet through dialup, broadband (such as DSL or cable modems), or a local area network (LAN), computers are vulnerable to attack or unauthorized access. Answer B is incorrect because although some antivirus programs have firewall capability, it is most likely the Windows Firewall that is blocking the program. Answer A is incorrect because Windows Defender is used to protect a computer against spyware. You should check Windows Firewall to see if it is blocking you from accessing the network program or application. Windows firewall is a packet filter and stateful host-based firewall that allows or blocks network traffic according to the configuration. Answer D is incorrect because the domain network is used for domain networks found in corporations. Network discovery is on by default, but you cannot create or join a homegroup when using the work network location. Answer B is incorrect because work network is for small office or other workplace networks. Network discovery is turned on for home networks. Answer A is incorrect because it is designed for home networks or when you know and trust the people and devices on the network. A homegroup is not available on public networks, and network discovery is turned off. The public network location is designed to keep your computer from being visible to other computers around you and to help protect your computer from any malicious software on the Internet. Which network location used with Windows Firewall is more secure by disabling network discovery and homegroups?Īnytime you are having problems accessing a common network program or application and you cannot connect, what should you check?
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