Discussion Post I
After reading this materials, respond to one or more of the following questions.
i. Describe the differences between bus, ring, star and mesh topologies.
ii. Explain the TCP/IP Model in terms of functions at each layer. How do the layers map to the OSI Model layers?
iii. The Transport layer provides two service protocols: UDP and TCP. Explain the differences between the two protocols in terms of guaranteed vs. non-guaranteed service and connection-oriented versus connection-less communication.
iv. Describe the different WLAN standards within the 802.11 family. What is a rogue access point?
Discussion Post II
After reading this materials, respond to one or more of the following questions.
i. Describe the functions of hubs/repeaters, bridges, switches, routers, and gateways. At what layers of the OSI model does each device operate?
ii. Describe the following types of network attacks: denial of service (and DDoS), malformed packet attacks, flooding, sniffing, Ransomware, DNS hijacking, and drive-by download. Give an example of a DoS or DDoS attack and describe how it overwhelms a target system.
iii. Depending on their needs and budget, companies can choose from a variety of perimeter security options. Discuss the differences between packet-filtering, stateful inspection, proxy, dynamic packet filtering, kernel proxy, and next generation firewalls and how they provide security filtering to protect the perimeter.
The response should include a reference list. Using one-inch margins, Times New Roman 12 pnt font, double-space and APA style of writing and citations.