Nt1310 Unit 8 Lab 1 Essay

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Lab 8 Task One. A firewall is a protective system that is in between your computer network and your internet. When it is used properly it prevents unauthorized access to your network. Hardware firewall are a standalone product and have recently been found on routers as well. Hardware firewall is very effective with almost no configuration. Hardware firewall used packet filtering to examine the header of a packer to determine both its choice and destination. Then this information is compared to a set of pre-defined or user created rules that determined if the packet is to be dropped or forwarded. A software firewall can be bought and installed on your computer. It could be customized any way you want it. It protects against Trojans and…show more content…
A Trojan horse program is a type of malware program containing malicious code that when executed carries out action to cause a loss of data, theft of information or to harm your system. A Trojan often acts as a backdoor which contacts a controller which can then have unauthorized access to an infected computer. A malicious email attachment is an email you receive that if you open it could install a key logger to record your keystrokes, installing a virus and providing a hacker with access to your computer. A drive by download is a download is which a person gives consent without understanding the consequences or any download that happens with a person’s knowledge. This drive by downloads may occur when visiting a website and pop up happens or when you open a hacking email. What you were really downloading is a malicious code which then hackers to can use to access your computer. Task 3. 1. A full backup is when everything on your computer is completely backed up. It backs up all the files on a partition or on a disk by copying all the sectors with data on a backup image. A differential backup only backs up the information or files that were changed since the last full backup. An incremental backup also backup only changed information but only the ones that were backup since the last backup. 2. The reason why it is safe to have an offsite backup is in case your house catches fire or someone breaks into your house your back up files aren’t there and destroyed. You should

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