Networking and OSI Model

 In a paragraph answer the following, citing relevant examples wherever possible to include writing mechanics, spelling grammar APA and information literacy  :

• Describe how error checking is handled in the data link layer. Define a check sum and describe how Transport layer protocols implement them to ensure data integrity. Define and describe sequencing.
• Describe a network address including its addressing scheme, formats, and alternate names. Define and describe the two parts of a MAC address. Compare Ethernet and Token Ring frames in terms of their operation on a network.
• Describe a drawback of analog signals. Describe two benefits of digital signaling that make it worthwhile even though extra signaling pulses are involved. Explain how half-duplex transmissions work.
• Describe what frequency division multiplexing (FDM) is and how it works.
• Describe variables that may influence the final cost of implementing a certain type of media. Explain the makeup of coaxial cable. Explain the makeup of twisted pair wire and describe the advantages of twisted pair wiring. Explain the makeup of fiber-optic cable and describe the benefits of fiber-optic cabling over copper cabling.
• Describe the advantages and disadvantages of using traditional peer-to-peer networks. Describe the advantages client/server networks offer over peer-to-peer networks. Define a network operating system (NOS) and describe the tasks it performs. Describe license tracking in networks.