OSI: Layer 4 – Transport
The transport layer is the fourth layer (layer 4) of the seven-layer OSI model. The transport layer provides end-to-end communication services for applications. Layer 4 takes care of assembling and …
TCP/IP Network Model
The TCP/IP Network Model is based on a four-layer reference model. All protocols that belong to the TCP/IP protocol suite, such as TCP, UDP, HTTP, FTP, etc., are located in …
Introduction to Ethernet
Prior to 1973, we had a network known as “sneakernet”. To get files transferred between computers, you would typically have to save the file in some form of a disk …
Increasing IP Lease Availability in DHCP
After a DHCP scope is established changes in the number of nodes that require DHCP leases may change over time. There are basically three methods to change the number of …
ADO Connection Object
The ADO Connection object provides a way to open a connection to a data source. Once the connection is established, you can then access and manipulate data from your data …
ADO Command Object
The ADO Command object has the functionality of executing commands against the data source, typically a database. In general, the Command object is created implicitly when executing an operation against …
ADO Recordset Object
After opening a connection with your data source, typically a database, your next step is to read from the data source and load the data into a recordset. To perform …
ADO Updating Records in a Database
Updating database records is a very common process that any typical ASP web application would include. In this tutorial, we will take a look at some sample ADO/ASP codes that …
ADO Inserting Records in a Database
In this tutorial, we will take a look at an example of how to insert new records in a database table using ASP and ADO. We need to understand how …
Using the #include Directive in ASP
For most websites, the pages that make up the site all share a common layout and set of elements. ASP allows you include external files within ASP pages, by using …
Formatting the Date in ASP
Working with Date and Time data is very common in any ASP web application. In this tutorial, we will cover how to properly use the various ASP Date related functions. …
Introduction to Active Server Pages (ASP)
What is ASP Active Server Pages, or ASP, was introduced in 1996 by Microsoft. Back then, ASP would be downloaded and installed as a feature of Internet Information Server (IIS) …