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Assume the five layer network protocol stack as above with two routers in between source and destination. Explain how data travels from source to destination using the Internet Protocol Stack and the two routers. As message M travels through the protocol stack, it is modified due to addition and deletion of headers in each layer. When a message travels from source to destination through two routers, how many times the message M is modified before it reaches to the destination as M. Show your work to determine this number.
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
Describe the legal and ethical issues of expert system providing incorrect information? Must Food and Drug Administration review and approve medical expert systems?
Design the datagram and illustrate what contents of each of Next Header fields would contain. You do not have to look up actual numeric value, just explain what it would be referencing next.
Explain the relationship between privacy and IT. Describe some of the threats to information security and some of the measures you can take to protect information resources.
Consider transferring an enormous file of L bytes. What is the maximum value of L such that TCP sequence numbers are not exhausted? Give proper justification?
Explain how the relative speed of the 100BaseT LANs used at each location compares to accessing the WAN link between the two sites.
Wireless DSL is available in her apartment building for $45 per month for 1.5 Mbps down and 256 Kbps up. Explain the differences in these services and make a recommendation.
Research network address translation (NAT). While conducting your research, consider purpose of NAT, compatibility with IPv6, and functions of automatic IP assignment and automatic name resolution.
problems of IPV, DNS server software, TCP SYN attack, Ping of Death, Land attack, Teardrop attack, Smurf attack, Fraggle attack
Describe the difference between MAC Destination Address in Ethernet header and one found in ARP payload.
Now that you know more about ConnectSpree's network, you begin drawing a map of its devices and connections, starting with its internal LAN.
For each of the following attacks, say whether the attack can be detected and mitigated (to a significant degree) by a stateless or stateful firewall. Explain briefly.
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