Communicating over the Network. Network Fundamentals. ITE PC v4.0 Chapter Cisco Systems, Inc. All rights reserved.
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1 Communicating over the Network Network Fundamentals 1
2 Network Structure Define e the components of a network Network components hardware software 2
3 Network Structure End Devices and their Role in the Network End devices form interface with human network & communications network Role of end devices: client server both client and server 3
4 Network Structure Define enetwork media edaand dcriteria for making ga network media choice Network media this is the channel over which a message travels 4
5 Network Types Define e Local Area Networks (LANs) - A network serving a home, building or campus is considered a Local Area Network (LAN) 5
6 Network Types Define e Wide Area Networks (WANs) - LANs separated by geographic distance are connected by a network known as a Wide Area Network (WAN) 6
7 Network Types Define e the Internet e The internet is defined as a global mesh of interconnected networks 7
8 Network Types Describe network representations ese s 8
9 Function of Protocol in Network Communication Define different protocols and how they interact t 9
10 10
11 Function of Protocol in Network Communication Technology independent Protocols -Many diverse types of devices can communicate using the same sets of protocols. This is because protocols specify network functionality, not the underlying technology to support this functionality. 11
12 Layers with TCP/IP and OSI Model Describe TCP/IP Mode 12
13 Layers with TCP/IP and OSI Model Describe the Communication o Process 13
14 Layers with TCP/IP and OSI Model Explain protocol oco data a units (PDU) and encapsulation a 14
15 Layers with TCP/IP and OSI Model Describe the process of sending and receiving messages 15
16 Layers with TCP/IP and OSI Model Explain protocol and reference models A protocol model provides a model that closely matches the structure of a particular protocol suite. A reference model provides a common reference for maintaining consistency within all types of network protocols and services. 16
17 Layers with TCP/IP and OSI Model Define e OSI 17
18 Layers with TCP/IP and OSI Model Compare OSI and TCP/IP model 18
19 Addressing and Naming Schemes Explain how labels in encapsulation a headers are used to manage communication in data networks 19
20 Addressing and Naming Schemes Describe examples es of Ethernet e MAC Addresses, IP Addresses, and TCP/UDP Port numbers 20
21 Addressing and Naming Schemes Explain how labels in encapsulation a headers are used to manage communication in data networks 21
22 Application Layer Functionality and Protocols Network Fundamentals 22
23 Applications The Interface Between een 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 23
24 Applications The Interface Between Human and Data Networks Define the separate roles applications, services and protocols play in transporting data through networks 24
25 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 25
26 The Role of Protocols in Supporting Communication Describe the roles of client and server processes in data networks 26
27 The Role of Protocols in Supporting Communication List common Application Layers services and protocols 27
28 The Role of Protocols in Supporting Communication Compare and contrast client server networking with peer-to-peer networking and peer-to-peer applications 28
29 Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the DNS protocol and how this protocol supports DNS services 29
30 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 30
31 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 31
32 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 32
33 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 33
34 OSI Transport Layer Network Fundamentals 34
35 Transport Layer Role and Services Explain the purpose pose of the Transport layer 35
36 Transport Layer Role and Services Major functions of the transport layer and the role it plays in data networks 36
37 Transport Layer Role and Services Supporting Reliable e Communication o 37
38 Transport Layer Role and Services Identify the basic characteristics ac cs of the UDP and TCP protocols 38
39 Transport Layer Role and Services Identify how a port number is represented ese ed and describe the role port numbers play in the TCP and UDP protocols. 39
40 Transport Layer Role and Services Describe the role of segments e s in the transport layer and the two principle ways segments can be marked for reassembly. 40
41 Application and Operation of TCP Mechanisms Trace the steps that show how the TCP reliability mechanism works as part of a session 41
42 Application and Operation of TCP Mechanisms Describe the role of port numbers in establishing s TCP sessions and directing segments to server process 42
43 Application and Operation of TCP Mechanisms Trace the steps in the handshake a in the establishment s e of TCP sessions 43
44 Application and Operation of TCP Mechanisms Trace the steps in the handshake a in the termination of TCP sessions 44
45 Managing TCP Sessions Describe how TCP sequence numbers are used to reconstruct the data stream with segments placed in the correct order 45
46 Managing TCP Sessions Trace the steps used by the TCP protocol oco in which sequence numbers and acknowledgement numbers are used to manage exchanges in a conversation 46
47 Managing TCP Sessions Describe the mechanisms s in TCP that manage age the interrelationship between window size, data loss and congestion during a session 47
48 UDP Protocol Describe the characteristics ac cs of the UDP protocol oco and the types of communication for which it is best suited 48
49 UDP Protocol Describe in detail the process specified ed by the UDP protocol to reassemble PDUs at the destination device 49
50 UDP Protocol Describe how servers e s use port numbers to identify a specified application layer process and direct segments to the proper service or application 50
51 UDP Protocol Trace the steps as the UDP protocol oco and port numbers are utilized in client-server communication. 51
52 52
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