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Networking and Security Problems
Topic Problems
• Describe main differences between a switch and a hub.• If you change your network infrastructure from hubs to switches, how would the change affect the network traffic that was seen by your PC?• Describe the difference between circuit and packet switched networks. Which one was more common in 2018?• There were many people involved in the development of packet switching. One notable person worked for the National Physics Laboratory in the UK. What was his name?• Describe the events that led to the development of ARPANET.• How many network cards does a router require? Explain.• Describe the basic operation of a router.• Two important models of networking are the OSI model and the Internet model. In what ways do these models help us understanding the networking?• Session and presentation layers of OSI model do not exist in the Internet model of networking. How does the encryption and login still work in TCP/IP applications?• Briefly describe the functions of the following layers.o Application layero Data Link layero Network layero Physical layer• Describe why switches are often described as layer 2 devices.• Interactions at data link layer are sometimes referred to as hop-to-hop communication. How are the interactions at network layer described? Explain.
Linux Lite Questions• What is the name of file manager in Linux Lite?• What is the version of our Linux Lite virtual Image?• Where is the default file system location of home directory of user named Tom in Linux Lite?• Complete the following table by writing the equivalent Linux Lite programs.
Microsoft Windows Program
Linux Lite Equivalent
Notepad
Word
Excel
PowerPoint
Windows Explorer
Calculator
This project ties together several skills you have studied in this chapter. Suppose you have decided to implement VLANs as a solution for slow network.
You are required to set up a network consisting of PCs, routers and servers. Configure routing (IP packet forwarding) on the routers
Given today's networking technology; 3-bit and 7-bit sliding window sizes seem very restrictive. What would be a more reasonable size today? Describe your reasoning.
What type of circuits are commonly used to build the Internet today? What type of circuits are commonly used to build Internet2?
HS1011 Data Communication and Networks Assignment, Holmes Institute, Australia. Explain networking and data communication technologies
fault tolerance for communicating between the floors
HS2031 - Human Computer Interaction (HCI) - HCI in-depth evaluation for websites - Identify and elaborate the main features of the websites
Develop the disaster plan for selected organization which includes how you would suggest company back up and protect network data.
Cloud computing refers to a computing environment where software and storage are provided as an Internet service and accessed with a Web browser.
Explain if private IP addressing should be used in conjunction with NAT (Network Address Translation)? Describe what IP class you would consider using.
What is the size of data in the IPv4 datagram and what type of higher-level protocol is this datagram carrying?
Find the most challenging crimes that could be based on P2P networks and write a report on how to do forensic investigations on these crimes.
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