transport network data link and physical layers
nghiên cứu về tầng vật lý (physical) và tầng liên kết dữ liệu (Data Link) của mô hình OSI
Ngày tải lên :
23/08/2013, 10:37
... Session Transport Network Data Link Physical 802.10 802.3 802.4 802.5 802.6 802 802.9 802.11 802.12 Mối quan hệ tiêu chủân IEEE 802 mô hình OSI IEEE 802.1(High Level Interface):Tiêu chuẩn với tầng Data ... tầng Trình diễn SESSION Giao thức tầng Phiên TRANSPORT Giao thức tầng Giao vận NETWORK Giao thức tầng Mạng DATA LINK Giao thức tầng Liên kết Liệu PHYSICAL Giao thức tầng Vật lí Đờng truyền vật ... Microsoft hỗ trợ SLIP PPP máy trạm nhng server hỗ trợ PPP Aplication Preentation Sesion Transport Network PPP Data Link Physical SLIP Mối quan hệ SLIP , PPP mô hình OSI _SLIP đợc sử dụng hệ thống cũ,...
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Báo cáo y học: "ranscription Network Project, Institute for Data Analysis and Visualization, University of California, Davis" potx
Ngày tải lên :
14/08/2014, 17:22
... relative levels of expression Fifth, a BioImaging database (BID) was employed to track and manage the raw images and PointCloud data files and extensive metadata for each step of the pipeline Sixth, ... patterns Data for both wild-type embryos and embryos mutant for three maternal regulators of the early network (bicoid, gastrulation defective, and Toll) are available We have released more data ... DNA sequence), all the way to the PointCloud data files (with associated metadata such as a quality score, thumbnails and links to the raw image data) For each step in the experimental process,...
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Distributed data reconciliation and bias estimation with non gaussian noise for sensor network
Ngày tải lên :
14/09/2015, 08:38
... N-node network For a particular network, for example, the 3-node network in Example 2, by implementing the algorithm in Appendix 2A on each Nodes 1, and with p = , p = and p = , respectively, and ... complete the data reconciliation Table 2.1 (which can be found at the end of this chapter) shows the details Node and each computes and holds its own measurement average and variance, and keeps ... sensors to send their data to a dedicated application controller/SCADA In sensor networks, a base station located in the network can be equipped with more energy and computational and communication...
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Data storage and retrieval for social network services
Ngày tải lên :
04/10/2015, 10:24
... the following contributions: Data Model and Storage Investigate a novel graph data model and storage for nonblob data in social network services Data Partition Social network graphs are extremely ... querying and analyzing social network data 1.1 Motivation Data of social network services have several differences with conventional data which are usually stored as tables in relational databases ... storage and index design for both nonblob data and blob data Finally, we makes a conclusion and a sketch of future work in Chapter 7 Chapter Related Work 2.1 Relational Database Relational data...
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Data Integrity and Advanced Query Technique
Ngày tải lên :
25/08/2012, 09:00
... Constraint để kiểm soát data chứa table có Foreign key (tức table con) thực chất kiểm soát data table chứa Primary key (tức table cha) Ví dụ ta delete data table cha data table trở nên "mồ côi" ... Constraint trường hợp: Insert hay Update: Nếu data insert vào vi phạm ràng buộc có sẵn (violate constraint) hay constraint ta muốn áp dụng cho data thời mà data insert Tiến hành trình replicate Nếu ... CHECK (Col2 BETWEEN AND 1000) ) Tương tự Foreign Key Constraint ta cần disable Check Constraint trường hợp Insert hay Update mà việc kiểm soát tính hợp lệ data không áp dụng cho data Trường hợp thứ...
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Chapter 9: Working with Selections and Selection Layers
Ngày tải lên :
27/08/2012, 14:31
... box until all dirt and rough lines that may have scanned in disappear and the line art looks how you’d like it to be Click the Move and Transform tab and resize, reposition, and rotate your image ... is above all the other Image Layers (if it isn’t already), click the layer in the Layers palette and drag it to the top of the Image Layers list (just before the Layers header) You now have a ... Filling a section with All Layers off and on Unfilled shapes Shapes filled with the All Layers check box deselected Shapes filled with the All Layers check box selected (8-bit layers only) To change...
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MAC and Physical.ppt
Ngày tải lên :
13/09/2012, 11:16
... Xerox Corp Standardized in 1980 as IEEE 802.3 CSMA/CD algorithm is same for both Ethernet and 802.3 Frame format differs between Ethernet and 802.3 Frame format differs between Ethernet and 802.11 ... delivery of data frames, administer access to the medium and to provide MAC layer reliability Management frames perform supervisory functions such as joining/ leaving a wireless network and move ... of the transmitted data February 2005 Coypright 2005 All Rights Reserved 802.11 Frames/Protocols q Three major 802.11 frame types exist Data frames carry higher level protocol data in the Frame...
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ứng dụng của vhf data link mode 4 trong môi trường cns atm
Ngày tải lên :
22/11/2012, 09:13
... hành Data link FIS - Liên kết liệu dành cho dịch vụ thông tin bay Differential GNSS - Dẫn đường vệ tinh vi sai Data Link Initiation Capability - Tính khởi tạo liên kết liệu VDL Mode Data Link ... Assurance - Bảo đảm phân cách Search and Rescue - Tìm kiếm cứu nguy Standards and Recommended Practices - Chuẩn khuyến nghị thực thi Satellite Voice and Data Communications - Thông tin liệu thoại ... FARAWAY Fusion of Radar & ADS data through two WAY data link - Sự kết hợp Radar ADS liên kết liệu chiều FAS Final Approach Segment - Đoạn tiếp cận cuối FDPS Flight Data Processing System - Hệ thống...
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Data warehuose and data mining
Ngày tải lên :
18/01/2013, 16:15
... Environment • Subject = Customer • Data Warehouse Biến thời gian • Time • Data • 01/97 Data for January • • 02/97 Data for February • • 03/97 Data for March • • Data • Warehouse Ổn Định • Là lưu ... quan trong qui trình KDD Pattern Evaluation Data mining Task relevant data Data warehouse Data cleaning Knowledge Data integration selection Mục đích KTDL Data Mining Descriptive Predictive Classification ... Traditional Database • Data ware house • • • • • • • • Tích hợp Hiện hành – lịch sử Hướng chủ thể Bất biến Không chuẩn hóa Rõ ràng Tổng quát / chi tiết Người dùng : quản lý • Traditional Database...
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DATA ANALYSIS AND DISCUSSION
Ngày tải lên :
12/04/2013, 16:19
... the study, the data collection method, instruments as well as process of data collection and data analysis IV Data analysis and discussion This focuses on presenting, analyzing and discussing ... to convey my deepest gratitude to my husband, my children, and my parents for their constant support and thorough understanding.Their great encouragement and love have helped me to overcome the ... only meets the demands of communication but also supports students’ needs as well 2.2 The role of attitudes in language learning Attitudes and learning go hand in hand Garder and Lamber (1972)...
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Data mining and medical knowledge management cases and applications
Ngày tải lên :
16/08/2013, 16:24
... drive data gathering and experimental planning, and to structure the databases and data warehouses BK is used to properly select the data, choose the data mining strategies, improve the data mining ... prohibited Data, Information and Knowledge and communication technologies These new technologies are speeding an exchange and use of data, information and knowledge and are eliminating geographical and ... abundance of data in bioinformatics, in health care insurance and administration, and in the clinics, is forcing the emergence of clinical data warehouses and data banks The use of such data banks...
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Data Access and Networking
Ngày tải lên :
05/10/2013, 03:20
... hand and two text columns containing the nickname and notes about the hand 146 CHAPTER ■ DATA ACCESS AND NETWORKING ... /> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn>
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Data Binding and Silverlight List Controls
Ngày tải lên :
05/10/2013, 03:20
... ObservableCollection GetHands() { 126 CHAPTER ■ DATA BINDING AND SILVERLIGHT LIST CONTROLS ObservableCollection hands = new ObservableCollection(); hands.Add( new StartingHands() ... DataGrid.Columns collection, as follows: < /data: DataGrid.Columns> < /data: DataGrid> Referring back to Figure ... the Card1 and Card2 properties from the data source Enter the following code:
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Data Types and Values
Ngày tải lên :
05/10/2013, 12:20
... ECMAScript v3 standard, is not portable, and should be avoided When we discuss the object data type, you'll see that object properties and methods are used in the same way that string properties and methods ... this chapter 3.3 Boolean Values The number and string data types have a large or infinite number of possible values The boolean data type, on the other hand, has only two The two legal boolean values ... as true and false, it is sometimes convenient to think of them as on (true) and off (false) or yes (true) and no (false) Sometimes it is even useful to consider them equivalent to (true) and (false)...
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Data Integrity and Advanced Query Technique
Ngày tải lên :
06/10/2013, 17:20
... Constraint để kiểm soát data chứa table có Foreign key (tức table con) thực chất kiểm soát data table chứa Primary key (tức table cha) Ví dụ ta delete data table cha data table trở nên "mồ côi" ... Constraint trường hợp: • Insert hay Update: Nếu data insert vào vi phạm ràng buộc có sẵn (violate constraint) hay constraint ta muốn áp dụng cho data thời mà data insert • Tiến hành trình replicate Nếu ... CHECK (Col2 BETWEEN AND 1000) ) Tương tự Foreign Key Constraint ta cần disable Check Constraint trường hợp Insert hay Update mà việc kiểm soát tính hợp lệ data không áp dụng cho data Trường hợp thứ...
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Hacking from a network: SYN flood and TCP Sequence number prediction attacks
Ngày tải lên :
26/10/2013, 23:15
... non-reliable network service for computer communications on over wide area In 1973 and 1974, a standard networking protocol, a communications protocol for exchanging data between computers on a network, ... layer will encapsulate part of the message in an ICMP packet and return it TCP Header - SYN Flag Frame Header Data Data IP Datagram Header Data TCP Header Source Destination Sequence Port Port No ... servers and ftp bounce this is as true for TCP as it is for UDP and ICMP We had an entire class of over 200 hundred students in intrusion detection evaluate a series of network traces and calculate...
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Introducing Data Types and Operators
Ngày tải lên :
27/10/2013, 08:15
... stored C++ defines several types of data, and each type has unique characteristics Because data types differ, all variables must be declared prior to their use, and a variable declaration always ... stands for unsigned and the L for long (Both the U and the L must be used to specify an unsigned long.) Some examples are shown here: 12 C++ A Beginner’s Guide by Herbert Schildt Hexadecimal and ... its operand, C++ will perform the operation prior to obtaining the operand’s value for use by the rest of the expression If the operator follows its operand, then C++ will obtain the operand’s...
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