Week 4 INDP NTC/362 INDP‚ Part 3 Local Area Networks (LANs) connect multiple computers that in a geographically limited area‚ this can be within the same room or building‚ to share information and resources. A LAN enables devices to communicate over a network with one another internally‚ otherwise known as an intranet. Each Kudler location would represent a LAN since each location has an internal network that is sharing local resources. The majority of LANs are connected using cables with copper
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detail in this report. Firewalls Most if not all businesses‚ schools and big companies regularly use computer systems and go on the internet they usually have many computer systems networked together that get used for important information and keep their companies running. This is why they install firewalls on their systems. Without firewalls there is the risk of malicious viruses getting through‚ infecting the system and sometimes taking it down completely. The firewall acts as a communications
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two frequently used protocols in network security: HTTP (Hypertext Transport Protocol) and HTTPS (Hypertext Transfer Protocol over Secure Socket Layer)‚ then compare them and give a brief conclusion. On the other side‚ the article introduces how firewall protects network security in hardware aspects. Keywords: Network; Security; Analysis; Countermeasures 1. Introduction As technology develops‚ network is getting more and more mature. It is known to all that security is the second step after
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Chapter 10 The Open System Interconnection (OIS) reference model is a template and using a network and its resources. Application Layer: Responsible fro interacting with end users. Presentation Layer: Responsible for the coding of data. Session Layer: Responsible for maintaining communication sessions between computers. Transport Layer: Responsible for breaking data into packets and properly transmitting it over the network. Network Layer: Responsible for the logical implementation of the network
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the network 7. Each of the following is a variation available in network access control (NAC) implementations except __________. c. network or local 8. Another name for a packet filter is a __________. b. firewall 9. The __________ establishes the action that a firewall takes on a packet. b. rule base 10. A(n) __________ intercepts internal user requests and then processes that request on behalfof the user. a. proxy server 11. A reverse proxy __________. b. routes
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make sure you have the latest Service Pack installed for your computer. Firewall requirements The Bonjour networking protocol sends and receives network packets on UDP port 5353. If you have a "personal firewall" enabled‚ you will need to ensure that UDP port 5353 is open for Bonjour to work correctly. Certain firewalls will only partially block Bonjour packets‚ so if you experience intermittent behavior‚ check the firewall settings and verify that Bonjour is listed as an exception and is allowed
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used in firewall rules to allow traffic on to the network? d. Port numbers 3. Which of the following NTFS features is incompatible with EFS encryption? a. Compression 4. Which of the following command-line parameters will prevent a program executed using Runas.exe from the elevated user’s encrypted files? b. /noprofile 5. Which of the following actions can you NOT perform from the windows firewall control panel? a. Allow a program through the firewall in all three profiles c. Create firewall exception
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• NIC test: It also monitors health of the other firewall by testing NIC status whether the link is up or down (cisco 2008). • Network activity test: The failover node monitors the health of the firewalls by testing network activity. If all packets are not received with in 5 seconds of interval it detects failure (cisco 2008). • ARP test: It also uses ARP (address resolution protocol) test‚ in ARP cache it checks the 10 recently learned entries in the memory. Then it sends an ARP request from cache
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insider breach is $ 2.4 million while the average cost of a break-in from the Internet is $ 27‚000. All the facts above show that company must also think how to defend their network security from inside intruders‚ and not only concern about put firewall to protect their network security from outside. Companies must find way how to protect their information assets from attack‚ and make their network security is effective to block the threats either from outside or inside company. The Importance
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extraordinary powers and malicious intent‚ many consumers may still be afraid to buy and sell goods and services over the Internet‚ even with adequate safeguards. “Software firewalls consist of a software package that is installed on a server such as Linux or Windows. Software or
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