0

the responsibilities of data link layer

Tài liệu Module 7- Data Link Layer CCNA Exploration 4.0 pptx

Tài liệu Module 7- Data Link Layer CCNA Exploration 4.0 pptx

Quản trị mạng

... consists of virtual connections between the nodes of a network independent of their physical layout. – These logical signal paths are defined by Data Link layer protocols.• The Data Link layer ... www.bkacad.comOverviewUpon 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 ... Upper Layer Services to the Media11• To support a wide variety of network functions, the Data Link layer is often divided into two sublayers: an upper sublayer and an lower sublayer. – The...
  • 64
  • 507
  • 0
Module 9: The Transactional Data Access Layer

Module 9: The Transactional Data Access Layer

Chứng chỉ quốc tế

... outcome of the transaction. Operation of CRM The first step in the operation of the CRM is the client component’s creation of the CRM Worker. The client component then begins using the CRM Worker. ... satisfy the requirements of the Create Requisition use case. In the class, include the necessary methods to obtain the next database ID. The class should also cache database IDs from the database ... that focus on the DAL: Module 8, The Nontransactional Data Access Layer and Module 9, The Transactional Data Access Layer. ” The DAL is an application’s means of access to data services....
  • 34
  • 428
  • 0
Tài liệu Introduction for the security : Networks and exchanges of data Computer security The risks ppt

Tài liệu Introduction for the security : Networks and exchanges of data Computer security The risks ppt

Tin học văn phòng

... Intranet we find a lot of data and information. For the live of the company, they're critical. If in the network, the security is bad, the information can be divulged and the system's ... The risksNetworks and exchanges of data For the exchange of the data, we've changed the technology The paper before and now the electronic support The electronic version, it's ... the global perimeter. The Intranets, the private networks inside the companies appear all over the world and grow. The benefits are important : Gain of the productivityGain of the...
  • 5
  • 569
  • 0
Tài liệu From Data to Knowledge and Back Again: Understanding the Limitations of KMS pdf

Tài liệu From Data to Knowledge and Back Again: Understanding the Limitations of KMS pdf

Tin học văn phòng

... objective. The findings of this studyillustrate that: (a) the KMS developed in the organization studied did not meet the claims of their creators, as the applications provided a poor approximation of the ... knowledge; (b) the importance of developingself-knowledge about the essence of social phenom-ena, and not just their form; (c) the role of commit-ment in learning; and (d) the selectivity of socialKnowledge ... what to do. The use of the decision tree in consul-tation mode at the distributed regional interfaces istherefore excluded, in the [initial version of the appli-cation]. If, in the longer term,...
  • 12
  • 599
  • 0
Tài liệu Module 8: The Nontransactional Data Access Layer doc

Tài liệu Module 8: The Nontransactional Data Access Layer doc

Hệ điều hành

... the database. Also, the cursor does not track changes to the underlying data. This is useful if you need an unchanging snapshot of the data. 30 Module 8: The Nontransactional Data Access Layer ... is the first of two modules that focus on the DAL: Module 8, The Nontransactional Data Access Layer and Module 9, The Transactional Data Access Layer. ” The DAL is an application’s means of ... on MDAC, see the Microsoft Universal Data Access Web site at http://www.microsoft.com /data. Module 8: The Nontransactional Data Access Layer 43 Security !Connecting to the Database!Creating...
  • 62
  • 362
  • 0
Tài liệu Data Centers Lowering the Cost of Ownership pptx

Tài liệu Data Centers Lowering the Cost of Ownership pptx

Phần cứng

... reliability of servicesCASE STUDYMANAGING CAPITAL THROUGH SPACE SAVINGSAt the heart of the EDF is ADC’s Glide Cable Management system. These cable management troughs bolt onto the side of standard ... because each panel has RJ45 connectors on the front and rear of the panel. Added benefits included the ability to quickly connect Ethernet switches to the network, improved designation labeling ... data centers. Major network elements chosen for the data centers included Cisco 7500 routers, Cisco Catalyst 6509 Ethernet switches and other data servers—each with unique connection requirements....
  • 4
  • 447
  • 2
Tài liệu Module 9: The Transactional Data Access Layer pptx

Tài liệu Module 9: The Transactional Data Access Layer pptx

Hệ điều hành

... outcome of the transaction. Operation of CRM The first step in the operation of the CRM is the client component’s creation of the CRM Worker. The client component then begins using the CRM Worker. ... satisfy the requirements of the Create Requisition use case. In the class, include the necessary methods to obtain the next database ID. The class should also cache database IDs from the database ... logic layer. The transactional DAL then processes the requests by delegating the requests to the data services layer. The transactional DAL can return to the business logic layer either success...
  • 34
  • 324
  • 0
Tài liệu The Three Principles of Data Center Infrastructure Design pptx

Tài liệu The Three Principles of Data Center Infrastructure Design pptx

Phần cứng

... the life of your data center. The Three Principles of Data Center Infrastructure DesignPage 7Deployment The graphic below depicts a sample data center using ADC's comprehensive line of ... and Prepare for the FutureBusiness can optimize their data centers by selecting data center infrastructure solutions that work together. By recognizing the value of the data center infrastructure ... CablingWith the same percentage of terminations as copper, fiber optic cabling and connectivity is a significant part of the data center. Fiber links are also the most critical links because they...
  • 8
  • 534
  • 0
Tài liệu Using the Data Link Properties Dialog Box ppt

Tài liệu Using the Data Link Properties Dialog Box ppt

Kỹ thuật lập trình

... Using the Data Link Properties Dialog Box Problem You want to display the Data Link Properties dialog box from an application so that users can create their own database connections just as they ... and displays a Data Link Properties dialog box using the Microsoft OLE DB Service Component through COM interop. The C# code is shown in Example 1-10. Example 1-10. File: DataLinkDialogForm.cs ... reference to the Microsoft OLE DB Service Component 1.0 Type Library from the COM tab in Visual Studio .NET's Add Reference Dialog. The sample code contains a single event handler: Data Link...
  • 2
  • 377
  • 0
Tài liệu THE ESTIMATION OF THE EFFECTIVE REPRODUCTIVE NUMBER FROM DISEASE OUTBREAK DATA pdf

Tài liệu THE ESTIMATION OF THE EFFECTIVE REPRODUCTIVE NUMBER FROM DISEASE OUTBREAK DATA pdf

Sức khỏe phụ nữ

... differences between the behavior of the SIR model and the data. Potentialsources of these differences include inadequacies of the mathematical model to de-scribe the process underlying the data and issues ... final part of the outbreak data, as there is often a period lasting ten or more weeks when there arefew cases.We investigated whether the removal of the lowest-valued points from the data sets ... fell below ten at the end of the outbreak. As a notational convenience, we refer to the numbers of susceptiblesand infectives at the start of the first week of the truncated data set as S0and...
  • 22
  • 515
  • 0
Tài liệu ELECTRICAL /DATA CABLING WORKS IN THE BRANCH OF BANK OF INDIA, BHULLAR , LUDHIANA. doc

Tài liệu ELECTRICAL /DATA CABLING WORKS IN THE BRANCH OF BANK OF INDIA, BHULLAR , LUDHIANA. doc

Ngân hàng - Tín dụng

... with the consent of the contractor, shall form part of the agreement. 27. The contractor shall visit the site of the work & shall satisfy himself as to the conditions under which the ... 28. The contractor shall get the approval of the Architect regarding the route of conduits, No. of runs, diameter of conduits, No. & size of wires, location of pull boxes, route of cables ... the date of opening of the tenders. 4. The time completion of work shall be essence of the contract, and shall be completed within 60 days only from the date of award of work 5. Offers...
  • 16
  • 623
  • 0
Tài liệu HOW INTERNET PROTOCOL-ENABLED SERVICES ARE CHANGING THE FACE OF COMMUNICATIONS: A LOOK AT VIDEO AND DATA SERVICES ppt

Tài liệu HOW INTERNET PROTOCOL-ENABLED SERVICES ARE CHANGING THE FACE OF COMMUNICATIONS: A LOOK AT VIDEO AND DATA SERVICES ppt

Quản trị mạng

... more of the specific types of programming they want or how they can protecttheir families from unwanted programs or why diverse programming struggles toget on the air, then you must pull back the ... location of the device, we can make the assumption of what channels arereceived there. So instead of putting up an antenna, we are ableto broadcast using the Internet.Now in the interest of time ... homes by the end of 2005, with further expan-sion as fast as technology and the marketplace will allow.We are making all of the necessary preparations for the commer-cial launch of FiOS TV...
  • 99
  • 514
  • 0
Tài liệu Multiple Vulnerabilities qualitave data for the stydy of orpharns and vulnerable children in South Africa ppt

Tài liệu Multiple Vulnerabilities qualitave data for the stydy of orpharns and vulnerable children in South Africa ppt

Khoa học xã hội

... them. Some of them need to be taught That’s the other part. Most of them come from the farms and we teach them at the workshops. To have workshops maybe twice a month with them to teach them first. ... to the decline of the agricultural sector. The economic situation was reported to have been made worse by the fall in profitability and closure of many of the gold mines in the district. The ... and the gold reserves in the mines are running out. The collapse of the mining industry raises further problems, for example, most of the migrant labourers left the community when they lost their...
  • 118
  • 628
  • 0

Xem thêm