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virtual functions function templates

Configuring OSPF Virtual Link

Configuring OSPF Virtual Link

Quản trị mạng

... 192.168.3.1 [110/65] via 192.168.240.1, 00 Ngoài ra để xem " ;virtual link" bạCode: #sh ip ospf virtual- links Tóm lại : == virtual links phải được cấu hvùng trung chuyển (transit area)== ... " ;virtual link" trên Singapore và SanJose1 thông qua area 51 như một "vùng trung chuyển" (transit area) Code: SanJose1: ! router ospf 1 log-adjacency-changes area 51 virtual- link ... configuration : 1790 bytes ! Code: Singapore: ! router ospf 1 log-adjacency-changes area 51 virtual- link 192.168.1.3network 192.168.3.0 0.0.0.255 area 51network 192.168.224.0 0.0.0.255 area...
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Tổng quan về Functions

Tổng quan về Functions

Kỹ thuật lập trình

... http://www.w3.org/TR/xquery/ XQuery 1.0 & XPath 2.0 Functions & Operators: http://www.w3.org/TR/xpath -functions/ XSLT-Only Functions current() as item() current-group() as item()* ... Date/Time Functions adjust-date-to-timezone(xs:date?) as xs:date? adjust-date-to-timezone(xs:date?, xs:dayTimeDuration?) ... xs:string?) as xs:string? format-time(xs:time?, xs:string) as xs:string? function- available(xs:string) as xs:boolean function- available(xs:string, xs:integer) as xs:boolean generate-id() as...
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Procedural Abstraction and Functions That Return a Value

Procedural Abstraction and Functions That Return a Value

Kỹ thuật lập trình

... Publishing as Pearson Addison-Wesley Function Libraries Predefined functions are found in librariesThe library must be “included” in a programto make the functions availableAn include directive ... Education, Inc. Publishing as Pearson Addison-WesleyPredefined Functions C++ comes with libraries of predefined functions Example: sqrt function the_root = sqrt(9.0); returns, or computes, ... that accompanies a function declaration?Describe what it means to say a programmer should be able to treat a function as a black box?Describe what it means for two functions to be black...
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C++ Basics - Functions for All Subtasks

C++ Basics - Functions for All Subtasks

Kỹ thuật lập trình

... Functions Each function should be tested as a separate unitTesting individual functions facilitates finding mistakes Driver programs allow testing of individual functions Once a function ... as Pearson Addison-WesleyRule for Testing Functions Fundamental Rule for Testing Functions Test every function in a program in which every other function in that program has already been ... Publishing as Pearson Addison-WesleyDisplay 5.1void -Function DefinitionTwo main differences between void -function definitions and the definitions of functions that return one valueKeyword void...
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Templates

Templates

Kỹ thuật lập trình

... Addison-WesleyDefining the Member Functions Member functions of a template class are definedthe same way as member functions of ordinaryclassesThe only difference is that the member function definitions ... functions index_of_smallest also uses a general algorithm andcould be defined with a template swap_values has already been adapted as a templateAll three functions, defined with templates, ... able to separate declaration and definitions of template functions just as you do with regular functions To be safe, place template function definitions in the same file where they are used…with...
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Virtual Private Network (VPN)

Virtual Private Network (VPN)

Kỹ thuật lập trình

... SUMMARYVPNs do not make use of dedicated leased linesVPNs send data through a secure tunnel that leads from one endpoint to another VPNs keep critical business communications private and secureVPN componentsVPN serversVPN clientsProtocols39TUNNELING PROTOCOLSLayer 2 Tunneling Protocol (L2TP)Provides better security through IPSecIPSec enables L2TP to performAuthenticationEncapsulationEncryption18TUNNELING PROTOCOLSSecure Shell (SSH)Provides authentication and encryptionWorks with UNIX­based systemsVersions for Windows are also availableUses public­key cryptographySocks V. 5Provides proxy services for applications That do not usually support proxyingSocks version 5 adds encrypted authentication and support for UDP2016ENCRYPTION SCHEMES USED BY VPNS (CONTINUED)Secure Sockets Layer (SSL) (continued)StepsServer uses its private key to decode pre­master codeGenerates a master secret keyClient and server use it to generate session keysServer and client exchange messages saying handshake is completedSSL session begins34SUMMARY (CONTINUED)VPN typesSite­to­siteClient­to­siteEncapsulation encloses one packet within another Conceals the original informationVPN protocolsSecure Shell (SSH)Socks version 5Point­to­Point Tunneling Protocol (PPTP)Layer 2 Tunneling Protocol (L2TP)40 Virtual Private Network (VPN) 29BIếN ĐổI ĐÓNG GÓI TRONG VPN (ENCAPSULATION)Các buớc trong tiến trình VPN Đóng gói (Encapsulation)Mã hoá (Encryption)Xác thực (Authentication)EncapsulationĐóng gói dữ liệu và các thông số khác nhauVí dụ như IP headerBảo vệ tính nguyên vẹn dữ liệu153127VPN CORE ACTIVITY 2: ENCRYPTIONEncryptionProcess of rendering information unreadable by all but the intended recipientComponentsKeyDigital certificateCertification Authority (CA)Key exchange methodsSymmetric cryptographyAsymmetric cryptographyInternet Key ExchangeFWZ2812SUMMARY (CONTINUED)IPSec/IKEEncryption makes the contents of the packet unreadableAuthentication ensures participating computers are authorized usersKerberos: strong authentication systemVPN advantagesHigh level of security at low costVPN disadvantagesCan introduce serious security risks412410255ENCRYPTION SCHEMES USED BY VPNSTriple Data Encryption Standard (3DES)Used by many VPN hardware and software3DES is a variation on Data Encryption Standard (DES)DES is not secure3DES is more secureThree separate 64­bit keys to process data3DES requires more computer resources than DES30WHY ESTABLISH A VPN?VPN combinationsCombining VPN hardware with software adds layers of network securityOne useful combination is a VPN bundled with a firewallVPNs do not eliminate the need for firewallsProvide flexibility and versatility13FIREWALL CONFIGURATION FOR VPNS37Protocol...
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 Báo cáo y học:

Báo cáo y học: " High blood pressure, antihypertensive medication and lung function in a general adult population"

Y học thưởng thức

... antihypertensive medicationand lung function. Cigarette smoking is a common riskfactor for both impaired lung function and high bloodpressure and BMI might have an effect on lung function. However, adjustment ... lung function. Nevertheless, this study hassome possible limitation. Methodological bias mightlead to insufficient lung function measurements. Thusin patients with high blood pressure lung function ... bloodpressure, its treatment and lung function. Several pro-spective studies indicated that high blood pressure is arisk factor for reduced lung function as well as impairedlung function increases the risk...
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 ứng dụng hàm tách biệt (discriminant function) để phân loại cấp sinh trưởng cây rừng

ứng dụng hàm tách biệt (discriminant function) để phân loại cấp sinh trưởng cây rừng

Nông - Lâm - Ngư

... ép (Overtopped). 7 ỨNG DỤNG HÀM TÁCH BIỆT (DISCRIMINANT FUNCTION) ĐỂ PHÂN LOẠI CẤP SINH TRƯỞNG CÂY RỪNG THE USE OF DISCRIMINANT FUNCTION IN TREE GROWTH GRADING Nguyễn Văn Thêm Khoa Lâm ... nhiều nhà lâm học quan tâm. Bài báo này giới thiệu kết quả ứng dụng hàm tách biệt (Discriminant Function) để phân cấp sinh trưởng cây rừng dựa trên ba nhân tố định lượng là đường kính thân cây, ... Bảng 4. Các hệ số của hàm phân loại hợp quy chuẩn hoá (Standardized Canonical Discriminant Function Coefficients) Hàm hợp quy chuẩn hoá Biến dự đoán 1 2 3 D1.3, cm 0,961 - 0,387 - 0,238...
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Lỗi Virtual Memory

Lỗi Virtual Memory

Hệ điều hành

... hành bằng cách nhấn chuột phải vào My Computer > Properties > Advanced > Advanced > Virtual memory > Change.Có thể trò choi đó chiếm quá nhiều bộ nhớ RAM. Hiện nay, với WinXP,...
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Significant substitutive figures of speech – linguistic functions and pedagogical implications part 2

Significant substitutive figures of speech – linguistic functions and pedagogical implications part 2

Thạc sĩ - Cao học

... or the old yet useful odd-man-out activity.34SailsBoatGunwaleII. METONYMYII.1. Linguistic functions of metonymy Among the substitutive figures of speech, metonymy is probably the most frequently ... language teaching, should contain recognizable examples illustrating these figures’ linguistic functions. They should be creative figures so as to highlight stylistic differences between uses ... better.32FOODmeaCHAPTER II SOME SIGNIFICANT SUBSTITUTIVE FIGURES OF SPEECH IN POETRYI. SYNECDOCHEI.1. Linguistic functions of synecdocheAn adult native speaker of English may not remember how many times in his/her...
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Basic Function

Basic Function

Tài liệu khác

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Virtual Network private (VPN)

Virtual Network private (VPN)

Tài liệu khác

... quản trịISAS name: Virtual Network Private (VPN)Page 8Class name – NIIT Hai PhongISAS name: Virtual Network Private (VPN)Page 23Class name – NIIT Hai PhongISAS name: Virtual Network Private ... sách an toàn mạng1.6.3. Chính sách an toàn Mạng riêng ảoISAS name: Virtual Network Private (VPN)Page 2ISAS ReportIsas name: Virtual Network private (VPN)Coordinator: Mr. Nguyen VAN A2011Student ... có thể mở rộng và phát triển khi công việc kinh ISAS name: Virtual Network Private (VPN)Page 5Class name – NIIT Hai PhongISAS name: Virtual Network Private (VPN)Page 24Class name – NIIT Hai...
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