Cisco Hierarchical Internetworking Model: Cisco has defined a hierarchical model known as the hierarchical internetworking model. This model simplifies the task of building a reliable, scalable, and less expensive hierarchical internetwork because rather than focusing on packet construction, it focuses on the three functional areas, or layers, of your network: Core layer: This layer is considered the backbone of the network and includes the high-end switches and high-speed cables such as fiber cables. This layer [...]

Cisco Discovery Protocol (CDP) Cisco Discovery Protocol (CDP) is a Cisco proprietary (layer 2) protocol that provides information about directly connected Cisco routers and switches (if enabled on the switch). CDP messages are not forwarded and, of course, not routed (layer 2). The protocol operates transparently and is enabled by default on all Cisco routers. It can be useful if you are trying to troubleshoot a connectivity problem. If the Data Link layer is operating, [...]

Hi iam starting a new post on CSS Tutorial which is of total five parts and this is the first part of it and further parts will be updated soon…….. CSS Tutorial Introduction to CSS What You Should Already Know Before you continue you should have some basic understanding of the following: HTML / XHTML If you want to study this subject first, find the tutorials on our Home page. What is CSS? CSS stands [...]

XML Tutorial Part-2: Document Type Definitions Up until now, we have been creating “well-formed” XML documents. That means that we have been creating tags, elements and attributes in a correct nesting structure without really provid-ing further definitions. In order to qualify as an XML document, all documents must be at least well-formed. In addition to well-formed documents, there are “valid” XML documents. This means the docu- ments follow a more formal structure. The main difference [...]

WPF Tutorial Part-2: This  is the second part of WPF Tutorial: This is the DataTemplate I created for this example. <Style TargetType=”ListBox” x:Key=”strechedItemStyle”> <Setter Property=”ItemTemplate”> <Setter.Value> <DataTemplate> <Grid Background=”#330000FF”> <Grid.ColumnDefinitions> <ColumnDefinition Width=”Auto” /> 12 <ColumnDefinition Width=”*” /> </Grid.ColumnDefinitions> <TextBlock Text=”{Binding Name}” HorizontalAlignment=”Left” Grid.Column=”0″/> <TextBlock Text=”{Binding Age}” HorizontalAlignment=”Right” Grid.Column=”1″/> </Grid> </DataTemplate> </Setter.Value> </Setter> </Style> To make the listbox item span the whole width of the listbox you need to set the HorizontalContentAlignment property to Stretch. This is the way to [...]

This is the second Part of  SAP Tutorial.. SAP Tutorial Part-2: Generating Test Scripts: Procedure To generate a test script by recording a SAPGUI application session: 1 Click SilkPerformer’s Outline Project button to create a new project 2 Enter a Project name and Project description. 3 Select ERP/CRM\SAP\SAPGUI as the Application type. 4 Click OK. 5 Click the Model Script button on the Workflow Bar. 6 If not selected already, select the Record radio button [...]

JSP Tutorial: 10-Beans and Forms Processing Forms are a very common method of interactions in Web sites. JSP makes forms processing particularly easy. The standard way of handling forms in JSP is to define a “bean”. This is not a full Java bean. You just need to define a class that has a field corresponding to each field in the form. The class fields must have “setters” that match the names of the form fields. [...]