data link layer design issues ppt
Tài liệu Module 7- Data Link Layer CCNA Exploration 4.0 pptx
Ngày tải lên :
22/12/2013, 13:17
... Data Link Layer Protocols- The Frame
31
ã Remember that although there are many different Data Link layer protocols that describe
Data Link layer frames, each frame ... logical signal paths are defined by Data Link layer
protocols.
ã The Data Link layer "sees" the logical topology of a network when
24
ã The Data Link layer "sees" the logical ... chapter, you will be able to:
ã Explain the role of Data Link layer protocols in data transmission.
ã Describe how the Data Link layer prepares data for transmission on
network media.
ã Describe...
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Tài liệu Using the Data Link Properties Dialog Box ppt
Ngày tải lên :
26/01/2014, 10:20
...
Recipe 1.13 Using the Data Link Properties Dialog Box
Problem
You want to display the Data Link Properties dialog
b
ox from an application so that users
can create their own database connections ... Reference
Dialog.
The sample code contains a single event handler:
Data Link Dialog Button.Click
Creates and displays a Data Link Properties dialog box using the Microsoft OLE
DB Service Component ... shown in Example 1-10
.
Example 1-10. File: DataLinkDialogForm.cs
// Namespaces, variables, and constants
using System;
// . . .
private void dataLinkDialogButton_Click(object sender, System.EventArgs...
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Tài liệu ADC KRONE - White Paper - Data Center - 3 principles of Data Center Infrastructure Design (with n pptx
Ngày tải lên :
10/12/2013, 03:15
... center.
The Three Principles of Data Center Infrastructure Design
Page 7
Deployment
The graphic below depicts a sample data center using ADC's comprehensive line of data center-grade
infrastructure ... Category 6
ã Category 6
Page 3
The Three Principles of Data
Center Design
When you understand the three principles of data center
design, you are able to:
ã Lower your total cost of ownership
ã ... within the data center. A substandard
performing data canter can be just as costly and
disruptive to your business as downtime.
The Three Principles of Data Center Infrastructure Design
0 2...
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Tài liệu Data Center High Availability Clusters Design Guide ppt
Ngày tải lên :
10/12/2013, 16:15
... 526-4100
Data Center High Availability Clusters
Design Guide
Customer Order Number:
Text Part Number: OL-12518-01
1-5
Data Center High Availability Clusters Design Guide
OL-12518-01
Chapter 1 Data ... public
private
private
quorum
Application
data
quorum
Application
data
switch1
1-9
Data Center High Availability Clusters Design Guide
OL-12518-01
Chapter 1 Data Center High Availability Clusters
...
RX
TX
RX
154338
ix
Data Center High Availability Clusters Design Guide
OL-12518-01
Preface
Document Purpose
Data Center High Availability Clusters Design Guide describes how to design and deploy...
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Tài liệu Enterprise Data Center Wide Area Application Services (WAAS) Design Guide pptx
Ngày tải lên :
10/12/2013, 16:16
... best design practices for the enterprise data center. This design guide is an
overlay of WAAS into the existing network design. For detailed design recommendations, see the
data center design ...
8
Technology Overview
11
Data Center Components
11
Front End Network
12
Core Layer
13
Aggregation Layer
13
Access Layer
13
Back-End Network
14
SAN Core Layer
14
SAN Edge Layer
15
WAN Edge Component ... Details
Interception at the access layer is not recommended either. Unless the data center is designed with a
routed access layer, placing the WAE at the access layer simply does not work. WCCP...
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Tài liệu Phần cứng (Lớp Physical, Data Link) : Đèn liên kết(Link ) của card mạng không sáng ppt
Ngày tải lên :
23/12/2013, 03:17
... trường hợp về sự cố mạng có thể do phần cứng hay phần mềm:
Phần cứng (Lớp Physical, Data Link) : Đèn liên kết (Link ) của card mạng không
sáng
Kiểm tra đầu nối card mạng và đầu cáp nối trên HUB/SWITCH
...
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Tài liệu Cisco Data Center Infrastructure 2.5 Design Guide pptx
Ngày tải lên :
16/01/2014, 23:20
... topics are included:
• Data Center Multi-Tier Design Overview
• Data Center Core Layer
ã Data Center Aggregation Layer
ã Data Center Access Layer
ã Data Center Services Layer
Note For a high-level ... access layer design, refer to
Chapter 6, Data Center Access Layer Design. ”
2-8
Cisco Data Center Infrastructure 2.5 Design Guide
OL-11565-01
Chapter 2 Data Center Multi-Tier Model Design
Data ... Aggregation Layer 2-19
Data Center Services Layer 2-20
2-11
Cisco Data Center Infrastructure 2.5 Design Guide
OL-11565-01
Chapter 2 Data Center Multi-Tier Model Design
Data Center Aggregation Layer
Figure...
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Tài liệu Module 9: The Transactional Data Access Layer pptx
Ngày tải lên :
17/01/2014, 09:20
... same data
access technologies as that of the nontransactional DAL. The following data
access technologies were covered in Module 8, “The Nontransactional Data
Access Layer :
!
Microsoft Data ... the next database ID. The class
should also cache database IDs from the database so that it does not have to
use the database every time an ID is requested. Identify the behavioral
design pattern ...
_____________________________________________________________
Module 9: The Transactional Data Access Layer 13
#
##
# Physical Design of Transactional DAL
!
Transactional Physical Design
!
CRM Physical Design
!
Components
In this section,...
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Tài liệu Cisco IP Telephony- Enterprise Voice Over Data Design Test ppt
Ngày tải lên :
18/01/2014, 05:20
... B, and C
e. A and B
f. B and C
g. A and C
Cisco Design Essentials: Cisco IP Telephony
-
Enterprise Voice Ove
r Data Design Test
1)
CallManager 3.0 will support transcoding. ... D channel to support multiple voice channels
c. A marketing slogan "no Better Data& quot; for their data products
d. Another name for Nortel ISL
5)
The only standards-based signaling ... G.711 traffic to require ___ through a Cisco router (uncompressed
RTP header and excluding link
-layer header).
a. 80 kbps
b. 24 kbps
c. 17 kbps
d. 74.6 kbps
35)
Which of the following...
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Tài liệu ADC KRONE - White Paper - Data Center - 3 principles of Data Center Infrastructure Design pptx
Ngày tải lên :
24/01/2014, 03:20
... life
of your data center.
Page 3
The Three Principles of Data
Center Design
When you understand the three principles of data center
design, you are able to:
ã Lower your total cost of ownership
ã ... within the data center. A substandard
performing data canter can be just as costly and
disruptive to your business as downtime.
The Three Principles of Data Center Infrastructure Design
0 2 ... fibers
The Three Principles of Data Center Infrastructure Design
Page 7
Deployment
The graphic below depicts a sample data center using ADC's comprehensive line of data center-grade
infrastructure...
- 8
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Tài liệu cisco migration_Cisco Data Center Infrastructure Design pptx
Ngày tải lên :
24/01/2014, 10:20
... covered in v1.1 include the
following:
ã Layer 3 design with OSPF and EIGRP
ã Layer 3 security
ã Layer 2 design with STP, UDLD, LoopGuard, VTP, and BPDU Guard
ã Layer 2 securityPrivate VLANs, Port ... guide(CSCeg33278, CSCec27709).
ã FlexLinks and uplink failover convergence timeThe aggregation layer switch may take too long
to converge/resume after an uplink FlexLink failover because the MAC address ... 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Cisco Data Center Infrastructure Design
Guide 2.1 Release Notes
OL-11569-01
3
Cisco Data Center Infrastructure Design Guide 2.1 Release Notes
OL-11569-01
...
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Tài liệu The Three Principles of Data Center Infrastructure Design pptx
Ngày tải lên :
24/01/2014, 11:20
... center.
The Three Principles of Data Center Infrastructure Design
Page 7
Deployment
The graphic below depicts a sample data center using ADC's comprehensive line of data center-grade
infrastructure ... Rights Reserved
WHITE PAPER
Page 3
The Three Principles of Data
Center Design
When you understand the three principles of data center
design, you are able to:
ã Lower your total cost of ownership
ã ... within the data center. A substandard
performing data canter can be just as costly and
disruptive to your business as downtime.
The Three Principles of Data Center Infrastructure Design
0 2...
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Tài liệu Chapter 7 :Data Link Control ppt
Ngày tải lên :
16/02/2014, 08:20
...
i
Transmitter goes back to frame
i
and
retransmits
William Stallings
Data and Computer
Communications
Chapter 7
Data Link Control
Cyclic Redundancy Check
For a block of
k
bits transmitter ... Protocols
(LAPB,LAPD)
Link Access Procedure, Balanced (LAPB)
Part of X.25 (ITU-T)
Subset of HDLC - ABM
Point to point link between system and packet
switching network node
Link Access Procedure, ... frames
Three phases
Initialization
Data transfer
Disconnect
Control Field
Different for different frame type
Information - data to be transmitted to user (next
layer up)
Flow and error control...
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