osi physical layer ppt

... Improper cable termination can impact transmission performance Physical Layer Protocols & Services ã Physical layer elements: The physical media and associated connectors – A representation ... segmented by the Transport layer, placed into packets by the Network layer, and further encapsulated as frames by the Data Link layer. The purpose of the Physical layer is to create the electrical, ... signals are then sent on the media one at a time. Physical Layer Protocols & Services ã Four areas of the Physical layer standards: 1. Physical and electrical properties of the media 2....

Ngày tải lên: 22/12/2013, 13:17

Ngày tải lên: 30/07/2014, 11:20

... the control communication between the Data Link layer and the Network layer is the establishment of a maximum size for the packet. Network Layer Fields Học viện mạng Bách khoa - Website: ... ) Network Layer Fields Học viện mạng Bách khoa - Website: www.bkacad.com 14 ã 8 bits ã Specifies the level of importance that has been assigned by upper -layer protocol Routing and Layer 2 Switching Học ... Network Layer Protocols and Internet Protocol (IP) Học viện mạng Bách khoa - Website: www.bkacad.com 3 ã Define the basic role of the Network Layer in data networks ã The protocols of the OSI model...

Ngày tải lên: 22/12/2013, 13:17

... 1999 URL:http://mike.passwall.com/networking/netmodels/isoosi7layermodel.html [4] R Feig, “The OSI Reference Model”, Date Unknown, URL:http://www2.rad.com/networks/1994 /osi/ osi.htm [5] H S Ha, OSI 7 Layer , 2000 URL:http://userpages.umbc.edu/~hha1/network/protocol.html [6] ... the stack layer by layer, each layer adding information around the originally presented data until that original data plus its layers of added content are represented at the bottom- most layer as a physical ... the OSI seven -layer model to Information Security Layer Five- Session Layer The Session Layer is concerned with the organization of data communications into logical flows. It takes the higher layer...

Ngày tải lên: 05/03/2014, 21:20

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Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 22/06/2014, 19:20

Ngày tải lên: 27/06/2014, 01:21

... TrueNet đ Physical Layer Management 24 Port LC-LC Duplex Metal Split Patch Panel The TrueNet đ PLM 24 Port LC-LC ... Metal Split Patch Panel from ADC KRONE combines our leading connectivity technology with Intelligent Physical Layer Management providing a best in class solution. TrueNet đ PLM offers complete end-to-end,...

Ngày tải lên: 18/10/2013, 13:15

... chapter, we introduced you to the physical structure of Active Directory. We looked at the three concepts in this physical world that make up Active Directory’s physical structures. These are domain ... or mission-critical domain, or have an online backup that can scream to the rescue. Losing the DC means losing the GC as well, and if that happens, your users will have to log on with their ... to make sure the physical network is optimized, in terms of addressing, subnetting, and topology. 4667-8 ch08.f.qc 5/15/00 2:00 PM Page 283 277 Chapter 8 ✦ Active Directory Physical Structure The...

Ngày tải lên: 10/12/2013, 16:15

... Activity 6.1: Risks of Skipping Physical Design In this activity, you will participate in a class discussion to identify the risks of not completing a physical design in the process of designing ... completing this lab, you will be able to: ! Articulate the value of physical design and the risks of not completing a physical design. Before You Begin This activity is a class discussion....

Ngày tải lên: 10/12/2013, 16:16

... Using Business Desk 44 Review 55 Module 5: Managing the Business Logic Layer Module 5: Managing the Business Logic Layer 3 HTTP: A Stateless Protocol  State: Information or data that ... you need the following materials: Microsoft PowerPoint đ file 2260A_05 .ppt Module 5, “Managing the Business Logic Layer  Lab 5, “Using Business Desk” Preparation Tasks To prepare ... How HTTP works HTTP is a Transmission Control Protocol/Internet Protocol (TCP/IP) application layer protocol that is responsible for the communication that takes place between browser and server...

Ngày tải lên: 10/12/2013, 16:16

... Operations in design of the physical layer is a formula for higher costs and poor network performance that invites churn and reduces profits. In designing the physical layer, Network Planning ... of Operations by designing and implementing the physical layer with a foundation of connectivity. Designing for Profitability in the Physical Layer of Wireless Networks Introduction Growth in ... maintenance and troubleshooting of a steadily growing network infrastructure. Clearly, the physical layer of the wireless network is getting larger and more complex. With more wireless data...

Ngày tải lên: 21/12/2013, 08:17

... in an e-mail. Summary Học viện mạng Bách khoa - Website: www.bkacad.com 45 Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0CCNA Exploration version 4.0 Flow Control When datagrams ... viện mạng Bách khoa - Website: www.bkacad.com 29 Transport Layer Role and Services ã Describe the role of segments in the transport layer and the two principle ways segments can be marked for ... Bách khoa - Website: www.bkacad.com 25 Transport Layer Role and Services Học viện mạng Bách khoa - Website: www.bkacad.com 9 ã At the Transport layer the three basic operations of reliability...

Ngày tải lên: 22/12/2013, 13:17

... materials: ! Microsoft PowerPoint đ file P06_1608a .ppt ! Module 6, “Business Solution Physical Design” ! Activity 6.1, “Risks of Skipping Physical Design” ! Activity 6.2, “Risks in Constraints ... Business Solution Physical Design 5 Module Strategy Use the following strategy to present this module: ! Physical Design Basics This section provides an overview of the Physical Design ... itself. ! Risks of Skipping Physical Design This discussion enables you to gauge the students’ understanding of the necessity and benefits of physical design. ! Physical Design Process This...

Ngày tải lên: 17/01/2014, 09:20

... Beginning Physical Design 180 Module 6: Beginning Physical Design ! !! ! Physical Design Basics In this section In this section " Physical Design in the Design Process " Physical ... of Physical Design " Perspective of Physical Design " Perspective Captured in Component Specifications " Clarifying Physical Design " Value of Physical Design During physical ... Module 6: Beginning Physical Design 189 Module 6: Beginning Physical Design 189 ! !! ! Physical Design Process " Physical Design and the MSF Process Model " Physical Design...

Ngày tải lên: 17/01/2014, 09:20

... their layer- based, low-level services $ Package the low-level services into components by layer " Results in highly cohesive but tightly coupled components The primary focus of the physical ... Completing the Physical Design Module 11: Designing the Presentation Layer Module 12: Introduction to Functional Specifications Designing Business Solutions Now that you have finished the physical ... this section. Module 10: Completing Physical Design 381 Review Questions " Complete the rationalization step of physical design " Derive a physical design from a logical design " Describe...

Ngày tải lên: 17/01/2014, 09:20