osi model physical layer ppt
Tài liệu Lab 2.3.7 OSI Model Characteristics and Devices pptx
Ngày tải lên :
21/12/2013, 19:15
... seven layers of the OSI model and the encapsulation unit used to describe the data
grouping at each layer. Also list the networking devices that operate at each layer, if applicable.
Layer ...
Layer # Name Encapsulation Unit
or Logical Grouping
Devices or
Components that
Operate at this Layer
7
6
5
4
3
2
1
...
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Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf
Ngày tải lên :
22/12/2013, 13:17
... Improper cable termination can impact transmission
performance
Physical Layer Protocols & Services
• 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
• Four areas of the Physical layer standards:
1. Physical and electrical properties of the media
2....
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Tài liệu The OSI Model: Understanding the Seven Layers of Computer Networks ppt
Ngày tải lên :
24/01/2014, 09:20
... developed standards for this layer.
Note: The Physical Layer of the OSI model is only part of a LAN (Local Area Network).
Layer 2 – The Data Link Layer
Layer 2 of the OSI model provides the following ... 9
T
he TCP/IP model uses four layers to perform the functions of the seven -layer OSI model.
The network access layer is functionally equal to a combination of OSI physical and data link layers (1 ... CTP
The OSI Model: Understanding the
Seven Layers of Computer Networks
Copyright ©2006 Global Knowledge T
raining LLC. All rights reserved.
Page 2
Layer 5 – The Session Layer
Layer 5, the session layer, ...
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Tài liệu Stuff - The OSI Model pptx
Ngày tải lên :
24/01/2014, 09:20
... Network Layer and MAC sub -layer, providing flexibility between
the two layers.
Media Access Control (MAC)
Responsible for framing. Builds frames from the 1’s and 0’s that the Physical Layer ... upper
layer messages as a bit stream
• Provides flow control to the layer 2
• Also carries a Frame Check Sequence to make sure the frame received is identical to the one
transmitted.
Sub-layers: ...
Responsible for physically passing data from one node to another.
• Ensures hardware addressing of the device and delivery to the correct device
• Translates data messages from upper layers to...
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Hình ảnh Protocols in relation to the OSI model.doc
Ngày tải lên :
24/08/2012, 21:11
... Session
Network
Data link
Physical
zone 1
zone 2
H2:H.323 Protocols in relation to the OSI model
G.711
G.722
G.728
G.729
G.723.1.1
Presentation
H.261 H.263
T.127
T.126
T.124
T.125/T.1222
RICP
RAS ... I/O
Equipment
Audio I/O
Equipment
User Data
Applications
System
Control
User
Interface
H.225.0
Layer
Locall
Area
Network
Intererface
recovery
Path
Delay
Video
codec
H261,
H263
Audio
condec
G711,...
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Datasheet - FO - ODF with Physical Layer Mgmt
Ngày tải lên :
18/10/2013, 13:15
... TrueNet
®
Physical Layer Management
24 Port LC-LC Duplex Metal Split Patch Panel
The TrueNet
®
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
®
PLM offers complete end-to-end,...
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Tài liệu Active Directory Physical Structure pptx
Ngày tải lên :
10/12/2013, 16:15
... 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 ... structures you have.
Windows 2000 and Active Directory allow you to map your logical network model to
the physical network with domain controllers (DC), global catalogs (GC), and sites.
And Windows ... 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...
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Tài liệu Activity 6.1: Risks of Skipping Physical Design ppt
Ngày tải lên :
10/12/2013, 16:16
...
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....
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Tài liệu Module 5: Managing the Business Logic Layer pptx
Ngày tải lên :
10/12/2013, 16:16
... implicit.
Module 5: Managing the Business Logic Layer 41
The Predictor offers two types of analysis models:
Predictor model
The Predictor model is used to provide real-time purchase recommendations ... targeting
content
Use the Predictor resource to build analysis models that
predict users’ shopping interests
Segment model
Predictor model
*****************************I
LLEGAL FOR
N
ON
-T
RAINER ... unknown profile properties about users.
A Predictor model summarizes the relationships in the data in the form of
rules.
For example, a Predictor model may predict that if a visitor of a site is...
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