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Applications – The Interface Between Human and Data Networks

Applications – The Interface Between Human and Data Networks. Define the separate roles applications, services and protocols play in transporting data through networks. Applications – The Interface Between Human and Data Networks.

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Applications – The Interface Between Human and Data Networks

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  1. Applications – The Interface Between Human and Data Networks • Define the separate roles applications, services and protocols play in transporting data through networks

  2. Applications – The Interface Between Human and Data Networks • Explain that applications provide the means for generating and receiving data that can be transported on the network

  3. Applications – The Interface Between Human and Data Networks • Explain the role of applications, services and protocols in converting communication to data that can be transferred across the data network

  4. Applications – The Interface Between Human and Data Networks • Describe the role protocols play in networking and be able to identify several message properties that can be defined by a protocol

  5. The Role of Protocols in Supporting Communication • Describe the roles of client and server processes in data networks

  6. The Role of Protocols in Supporting Communication • List common Application Layers services and protocols

  7. The Role of Protocols in Supporting Communication • Compare and contrast client server networking with peer-to-peer networking and peer-to-peer applications

  8. Features, Operation, and Use of TCP/IP Application Layer Services • Describe the features of the DNS protocol and how this protocol supports DNS services

  9. Features, Operation, and Use of TCP/IP Application Layer Services • Describe the features of the HTTP protocol and how this protocol supports the delivery of web pages to the client

  10. Features, Operation, and Use of TCP/IP Application Layer Services • Describe the features of the POP and SMTP protocols, and how these protocols support e-mail services

  11. Features, Operation, and Use of TCP/IP Application Layer Services • Describe the features of the Telnet protocol and identify several of its uses in examining and managing networks

  12. Features, Operation, and Use of TCP/IP Application Layer Services • Describe the features of the SMB protocol and the role it plays in supporting file sharing in Microsoft-based networks

  13. Features, Operation, and Use of TCP/IP Application Layer Services • Describe the features of the Gnutella protocol and the role it plays in supporting P2P services

  14. Transport Layer Role and Services • Explain the purpose of the Transport layer

  15. Transport Layer Role and Services • Major functions of the transport layer and the role it plays in data networks

  16. Transport Layer Role and Services • Supporting Reliable Communication

  17. Transport Layer Role and Services • Identify the basic characteristics of the UDP and TCP protocols

  18. Transport Layer Role and Services • Identify how a port number is represented and describe the role port numbers play in the TCP and UDP protocols.

  19. Transport Layer Role and Services • Describe the role of segments in the transport layer and the two principle ways segments can be marked for reassembly.

  20. Application and Operation of TCP Mechanisms • Trace the steps that show how the TCP reliability mechanism works as part of a session

  21. Application and Operation of TCP Mechanisms • Describe the role of port numbers in establishing TCP sessions and directing segments to server process

  22. Managing TCP Sessions • Describe the mechanisms in TCP that manage the interrelationship between window size, data loss and congestion during a session

  23. Application and Operation of TCP Mechanisms • Trace the steps in the handshake in the establishment of TCP sessions

  24. Application and Operation of TCP Mechanisms • Trace the steps in the handshake in the termination of TCP sessions

  25. Managing TCP Sessions • Describe how TCP sequence numbers are used to reconstruct the data stream with segments placed in the correct order

  26. UDP Protocol • Describe the characteristics of the UDP protocol and the types of communication for which it is best suited

  27. UDP Protocol • Describe in detail the process specified by the UDP protocol to reassemble PDUs at the destination device

  28. UDP Protocol • Describe how servers use port numbers to identify a specified application layer process and direct segments to the proper service or application

  29. UDP Protocol • Trace the steps as the UDP protocol and port numbers are utilized in client-server communication.

  30. IP Addressing Structure • Describe the dotted decimal structure of a binary IP address and label its parts

  31. IP Addressing Structure • Describe the general role of 8-bit binary in network addressing and convert 8-bit binary to decimal

  32. Classify and Define IPv4 Addresses • Name the three types of addresses in the network and describe the purpose of each type

  33. Classify and Define IPv4 Addresses • Name the three types of communication in the Network Layer and describe the characteristics of each type

  34. Classify and Define IPv4 Addresses • Identify the address ranges reserved for these special purposes in the IPv4 protocol

  35. Classify and Define IPv4 Addresses • Define public address and private address

  36. Classify and Define IPv4 Addresses • Describe the purpose of several special addresses

  37. Classify and Define IPv4 Addresses • Identify the historic method for assigning addresses and the issues associated with the method

  38. Assigning Addresses • Explain the importance of using a structured process to assign IP addresses to hosts and the implications for choosing private vs. public addresses

  39. Assigning Addresses • Explain how end user devices can obtain addresses either statically through an administrator or dynamically through DHCP

  40. Assigning Addresses • Explain which types of addresses should be assigned to devices other than end user devices

  41. Assigning Addresses • Describe the process for requesting IPv4 public addresses, the role ISPs play in the process, and the role of the regional agencies that manage IP address registries

  42. Calculating Addresses • Use the subnet mask to divide a network into smaller networks and describe the implications of dividing networks for network planners

  43. Calculating Addresses • Extract network addresses from host addresses using the subnet mask

  44. Calculating Addresses • Calculate the number of hosts in a network range given an address and subnet mask

  45. Testing the Network Layer • Describe the general purpose of the ping command, trace the steps of its operation in a network, and use the ping command to determine if the IP protocol is operational on a local host

  46. Testing the Network Layer • Use ping to verify that a local host can communicate with a gateway across a local area network

  47. Testing the Network Layer • Use ping to verify that a local host can communicate via a gateway to a device in remote network

  48. Testing the Network Layer • Use tracert/traceroute to observe the path between two devices as they communicate and trace the steps of tracert/traceroute's operation

  49. Testing the Network Layer • Describe the role of ICMP in the TCP/IP suite and its impact on the IP protocol

  50. Data Link Layer – Accessing the Media • Describe the service the Data Link Layer provides as it prepares communication for transmission on specific media

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