osi network layer pdf
Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
Ngày tải lên :
22/12/2013, 13:17
... 39
Network Layer Protocols and Internet Protocol (IP)
Học viện mạng Bách khoa - Website: www.bkacad.com 3
• Define the basic role of the Network Layer in data networks
• The protocols of the OSI ...
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: ... networks
• The protocols of the OSI model Network layer specify addressing and
processes that enable Transport layer data to be packaged and
transported. The Network layer encapsulation allows its contents...
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Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf
Ngày tải lên :
22/12/2013, 13:17
... 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, optical, ... context to give them
meaning to the upper layers of the networking model. This
framing method can be provided by the Data Link layer, the
Physical layer, or by both.
• Signal patterns can indicate: ... as network adapters (NICs),
interfaces and connectors, cable materials, and cable
designs are all specified in standards associated with the
Physical layer.
Characteristics & Uses of Network...
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Network Layer
Ngày tải lên :
12/09/2012, 15:06
... link
Network Layer 4-11
Network layer connection and
connection-less service
❒
datagram network provides network- layer
connectionless service
❒
VC network provides network- layer
connection service
❒
analogous ... conventions
ICMP protocol
•error reporting
•
router “signaling”
Transport layer: TCP, UDP
Link layer
physical layer
Network
layer
Network Layer 4-41
IP addressing: CIDR
CIDR: Classless InterDomain Routing
❍
subnet ... loss)
no
congestion
no
congestion
yes
no
Guarantees ?
Network Layer 4-31
The Internet Network layer
forwarding
table
Host, router network layer functions:
Routing protocols
•path selection
•
RIP,...
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The network layer Addressing and routing
Ngày tải lên :
17/09/2012, 09:13
... supposed that 2 IP sub -network share physically the same LAN. The stations on each
sub -network then will see circulating all the packets diffused on the physic network.
1
The network layer
Addressing ... rental
lease)
7
- Engineers network link: 2B-14-62-91-C9-B1
- Engineers network link towards the external router: 2B-14-62-3F-39-21
- Commercial network link: 1C-96-AA-F4-C2-91
- Commercial network link towards ... 194.12.230.140.
1. Propose a mask of sub -network for the network of company.
194.12.230.0 is a Class C address, the last byte must be used to encode the numbers of
sub -network and the numbers of hosts...
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Tài liệu Activity 6.3: Determining a Preliminary Activity 6.3: Determining a Preliminary Network Topology pdf
Ngày tải lên :
10/12/2013, 16:16
... Preliminary
Distribution of Services Across a
Network Topology
In this activity, you will create a preliminary plan for distributing services
across a network topology.
Objectives
After completing ... activity, you will be able to:
!
Create a service topology by distributing services across the network
topology.
Before You Begin
This activity includes both small group tasks and class ... complete this activity, you will need:
!
The Ferguson and Bardell, Inc. case study.
!
The future network topology provided.
!
The business object model created in activities 5.2, 5.3, and 5.4....
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Tài liệu ADC PROFESSIONAL SERVICES ADC Preconfigured Equipment Solutions for Successful Network Deployments pdf
Ngày tải lên :
10/12/2013, 18:15
... efficient network
possible is essential. For most operators, new network technologies hold the promise of
improving service delivery and reducing costs. Deploying new technologies and massive
network ... require an in-depth, hands-on understanding of simple to
complex network environments.
Planning Services
•
Program and Project Management
•
Network and Inventory Audit
•
Engineering
Deployment Services
•
Program ... Professional Services offers comprehensive
solutions for network operators delivering voice,
video and data services over wireless, wireline
and cable networks. Learn more at
www.adc.com/professionalservices
...
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Tài liệu Configuring Network Settings pdf
Ngày tải lên :
11/12/2013, 15:15
... intact.
Step 7: Network Scripts
You can also modify the IP configuration script files manually using a text editor such as
vi.
In Red Hat Linux, the relevant file is:
/etc/sysconfig /network- scripts/ifcfg-eth0 ... reply from another host means that your
IP configuration is working and that you are “live” on the network.
Step 5: The router command
In order for the server to communicate with TCP/IP hosts beyond ... “gateway” was commonly used
in the past to refer to a router because a router acts a gateway to other networks. When
configuring a host for IP, you may also have to configure its default gateway, which...
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Tài liệu Why We Recommend Network Marketing pdf
Ngày tải lên :
13/12/2013, 04:15
... trừ khi nó đưa mọi người lên
đến đỉnh.
Những điểm khác đáng đề cập
Sách "Why We Recommend Network Marketing"
Tại sao anh đề nghị kinh doanh theo mạng?
"Có nhiều lợi ích từ nghành...
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Tài liệu Module 5: The Facade Layer pdf
Ngày tải lên :
21/12/2013, 06:17
... Facade Layer
Review
!
Describe the differences between the two types of
facade layers: the Web services facade layer and the
business facade layer.
!
Describe the role of the facade layers ... facade layer. The facade layer provides a unified
interface to a set of interfaces in the business logic layer and the data access
layer (DAL). This module presents the two types of facade layers: ... Module 5: The Facade Layer 1
#
##
#
Overview
!
Introduction to the Facade Layer
!
Technologies
!
Logical Design of the Facade Layer
!
Physical Design of the Facade Layer
!
Market Purchasing
!
Best...
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Tài liệu Chapter 6 - Addressing the Network – IPv4 pdf
Ngày tải lên :
22/12/2013, 13:17
... diagram of a multi-layered network, address
range, number of hosts in each network and the
ranges for each network, create a network scheme
that assigns addressing ranges to each network.
• Refer ...
used in the network
• Explain how addresses are assigned to networks by ISPs and
within networks by administrators
•
Học viện mạng Bách khoa - Website: www.bkacad.com 2
• Determine the network portion ... khoa - Website: www.bkacad.com 14
Testing the Network Layer
• Use ping to verify that a local host can communicate
with a gateway across a local area network
Học viện mạng Bách khoa - Website:...
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Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx
Ngày tải lên :
22/12/2013, 13:17
... numbers
– FIN: No more data from sender
Transport Layer Role and Services
• Major functions of the transport layer and the role it plays in data
networks
– Tracking the individual communication ... viện mạng Bách khoa - Website: www.bkacad.com 29
Transport Layer Role and Services
• 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
• At the Transport layer the three basic operations of reliability...
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Tài liệu Module 11: Designing the Presentation Layer pdf
Ngày tải lên :
17/01/2014, 09:20
... Presentation Layer
!
!!
!
Application Presentation Layer
"
Purpose of the Presentation Layer
"
Duality of the Presentation Layer
"
Benefits of Presentation Layer Duality
"
Inputs ... application’s presentation
layer.
In this module, you will learn about designing the presentation layer of an
application. You will also learn about the two pieces of the presentation layer —
the user ... presentation layer of an application,
what is consists of, and how it enables a separation of form from function.
Slide Objective
To introduce the section.
Module 11: Designing the Presentation Layer...
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Tài liệu cisco migration_Network Virtualization—Network Admission pdf
Ngày tải lên :
24/01/2014, 10:20
... Data
10.1.40.0/24
Campus
Core
Layer 3
Layer 3
VLAN 220 Guest
172.16.1.0/24
VLAN 120 Data
10.1.120.0/24
VLAN 20 Data
10.1.20.0/24
Distribution
Layer
Access
Layer
7
Network Virtualization Network Admission ... 10
Network Admission Control—Option B 11
Access Control 11
14
Network Virtualization Network Admission Control Deployment Guide
OL-13636-01
Network Virtualization Deployment Scenarios
3
Network ...
5
Network Virtualization Network Admission Control Deployment Guide
OL-13636-01
End-to-End Network Virtualization Solution
because an attacker could disconnect the device and gain network...
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