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The role of the network layer

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  • This chapter explains the operations of the different types of firewall technologies and the role they play in network access control and security architectures. It also describes guidelines for firewall rule set creation. The chapter then describes the function and building blocks of Network Address Translation.

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  • In this chapter, you learned to: Explain the role of Transport Layer protocols and services in supporting communications across data networks, analyze the application and operation of TCP mechanisms that support reliability, analyze the application and operation of TCP mechanisms that support reassembly and manage data loss,...

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  • OSI Transport Layer. In this chapter, we examine the role of the Transport layer. The Transport layer also encompasses these functions: Enables multiple applications to communicate over the network at the same time on a single device. Ensures that, if required, all the data is received reliably and in order by the correct application. Employs error handling mechanisms. Learning Objectives–Upon completion of this chapter, you will be able to: Explain the need for the Transport layer.

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  • Data Link Layer. Learning Objectives Upon completion of this chapter, you will be able to: Explain the role of Data Link layer protocols in data transmission. Describe how the Data Link layer prepares data for transmission on network media. Describe the different types of media access control methods. Identify several common logical network topologies and describe how the logical topology determines the media access control method for that network. Explain the purpose of encapsulating packets into frames to facilitate media access. ...

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  • Describe the structure of a network, including the devices and media that are necessary for successful communications. Explain the function of protocols in network communications. Explain the advantages of using a layered model to describe network functionality. Describe the role of each layer in two recognized network models: The TCP/IP model and the OSI model. Describe the importance of addressing and naming schemes in network communications.

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  • Identify the role of the Network Layer, as it describes communication from one end device to another end device; Examine the most common Network Layer protocol, Internet Protocol (IP), and its features for providing connectionless and best-effort service;... Inviting you to refer.

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  • Upon completion of this chapter, you will be able to: Explain the role of Data Link layer protocols in data transmission, describe how the Data Link layer prepares data for transmission on network media, describe the different types of media access control methods,... Inviting you to refer.

    pdf96p youcanletgo_01 04-01-2016 36 2   Download

  • After studying this chapter you will be able to: Identify the role of the Network Layer, as it describes communication from one end device to another end device; Examine the most common Network Layer protocol, Internet Protocol (IP), and its features for providing connectionless and best-effort service;...

    ppt27p youcanletgo_01 30-12-2015 31 1   Download

  • In this chapter, you learned to: Explain the role of Data Link layer protocols in data transmission, describe how the Data Link layer prepares data for transmission on network media, describe the different types of media access control methods,... Inviting you to refer.

    ppt21p youcanletgo_01 30-12-2015 41 1   Download

  • Explain the role of Transport Layer protocols and services in supporting communications across data networks Analyze the application and operation of TCP mechanisms that support reliability Analyze the application and operation of TCP mechanisms that support reassembly and manage data loss. Analyze the operation of UDP to support communicate between two processes on end devices

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  • Explain the role of Physical layer protocols and services in supporting communication across data networks. – Describe the role of signals used to represent bits as a frame as the frame is transported across the local media Describe the purpose of Physical layer signaling and encoding as they are used in networks Identify the basic characteristics of copper, fiber and wireless network media Describe common uses of copper, fiber and wireless network media

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  • Physical Layer. In this chapter, you will learn to: Explain the role of Physical layer protocols and services in supporting communication across data networks. Describe the purpose of Physical layer signaling and encoding as they are used in networks. Describe the role of signals used to represent bits as a frame is transported across the local media. Identify the basic characteristics of copper, fiber, and wireless network media.

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  • This document provides design and configuration guidance for site and server load balancing, Secure Sockets Layer (SSL)- offload and WAN optimization in a Microsoft Exchange Server 2007 environment when it is deployed into a Cisco multisite data center architecture. An overview of the various Microsoft Exchange Server 2007 roles and operations will be given to provide the reader some context as to how the application environment is impacted in a multisite data center design.

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  • This chapter explain the role of Transport Layer protocols and services in supporting communications across data networks, analyze the application and operation of TCP mechanisms that support reliability, analyze the application and operation of TCP mechanisms that support reassembly and manage data loss, analyze the operation of UDP to support communicate between two processes on end devices.

    pdf74p youcanletgo_01 04-01-2016 26 2   Download

  • After completing this chapter, students will be able to: Explain the role of Physical layer protocols and services in supporting communication across data networks, describe the role of signals used to represent bits as a frame as the frame is transported across the local media, describe the purpose of Physical layer signaling and encoding as they are used in networks.

    pdf87p youcanletgo_01 04-01-2016 31 2   Download

  • This chapter explain the role of Physical layer protocols and services in supporting communication across data networks, describe the role of signals used to represent bits as a frame as the frame is transported across the local media, describe the purpose of Physical layer signaling and encoding as they are used in networks. For more information, inviting you refer lecture.

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  • Objectives: Explain the role of redundancy in a converged network. Summarize how STP works to eliminate Layer 2 loops in a converged network. Explain how the STP algorithm uses three steps to converge on a loop-free topology. Implement rapid per VLAN spanning tree (rapid PVST+) in a LAN to prevent loops between redundant switches.

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  • Identify the role of the Network Layer, as it describes communication from one end device to another end device Examine the most common Network Layer protocol, Internet Protocol (IP), and its features for providing connectionless and best-effort service Understand the principles used to guide the division or grouping of devices into networks Understand the hierarchical addressing of devices and how this allows communication between networks Understand the fundamentals of routes, next hop addresses and packet forwarding to a destination network ...

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  • OSI Network Layer. Learning Objectives; Upon completion of this chapter, you will be able to: Identify the role of the Network layer as it describes communication from one end device to another end device. Examine the most common Network layer protocol, Internet Protocol (IP), and its features for providing connectionless and best-effort service. Understand the principles used to guide the division, or grouping, of devices into networks. Understand the hierarchical addressing of devices and how this allows communication between networks....

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  • Offers hierarchy—each layer has specific role • Modular topology—building blocks • Easy to grow, understand, and troubleshoot • Creates small fault domains—clear demarcations and isolation • Promotes load balancing and redundancy • Promotes deterministic traffic patterns • Incorporates balance of both Layer 2 and Layer 3 technology, leveraging the strength of both • Can be applied to all campus designs; multilayer L2/L3 and routed access designs

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