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    • DHCP (Dynamic Host Configuration Protocol)

      DHCP (Dynamic Host Configuration Protocol)

      An IP address can be defined as a unique numeric identifier (address) that is assigned to each computer operating in a TCP/IP based network. Manually configuring computers with IP addresses and other TCP/IP configuration parameters is not an intricate task. However, manually configuring thousands of workstations with unique IP addresses would be a time consuming,

    • Access Point

      Access Point

      As technology has advanced, devices have become more complex and integrated. Access points make a good example of such devices. These can be described as hardware that includes a modem, router, and other optional functions that are all compiled into one device. Access points are becoming more popular than modems or routers and they are

    • Understanding Cisco IOS

      Understanding Cisco IOS

      Cisco IOS As you know that Cisco is the worldwide leader in providing the hardware solutions as well as the software solutions of LAN and WAN. The hardware solutions mean that the hardware devices such as switches and routers etc but what is the meaning of software solution? The software solution actually means that Cisco

    • ARP (Address Resolution Protocol)

      ARP (Address Resolution Protocol)

      ARP is the Address Resolution Protocol. The ARP protocol maps addresses between the Data Link Layer and the Network Layer of the OSI Model. The Data Link layer of TCP/IP networks utilizes MAC addresses; the Network Layer of TCP/IP networks utilizes IP addresses. ARP and RARP The ARP protocol is used to map IP addresses

    • ISDN (Integrated Services Digital Network)

      ISDN (Integrated Services Digital Network)

      ISDN (Integrated Services Digital Network) is a system of digital phone connections that has been designed for sending voice, video, and data simultaneously over digital or ordinary phone lines, with a much faster speed and higher quality than an analog system can provide. ISDN is basically a set of protocol for making and breaking circuit

    • What is the SMB Protocol?

      What is the SMB Protocol?

      The Server Message Block (SMB) protocol is designed to support file sharing, serial ports, printers, and other communications interfaces such as mail slots and named pipes established between two or more computers. The protocol can be used on top of the TCP/IP or other network protocols such as NetBEUI on the Internet. SMB primarily allows

    • Cisco VPN Error 412

      Cisco VPN Error 412

      The CISCO VPN Client is a popular software application that allows end-users to connect a computer to a VPN (virtual private network). Once connected, the client computer can leverage the resources of the remote network in a secure environment as if connected directly to the local network. Unfortunately, a common error that can arise for

    • Understanding the Cisco Three-Layer Hierarchical Model

      Understanding the Cisco Three-Layer Hierarchical Model

      Understanding the Cisco Three-Layer Hierarchical Model Hierachical network design helps us to make networks more reliable and predictable. Level by level design help to understand networking factions easily like, we can use tools like access lists at specific level and can avoid them from others. Cisco layer model consist of the following three layers. The

    • Presentation Layer

      Presentation Layer

      The presentation layer is one of seven layers of the OSI (Open Systems Interconnections) Model and is found between the application layer and the session layer. The presentation layer is commonly used for encryption and decryption as well as the conversion of file formats. The presentation layer is considered the last layer in which data

    • How to Set a Static IP

      How to Set a Static IP

      An IP (Internet Protocol) address is a unique identifier for any device that connects to the Internet. All computers, modems, routers, mobile devices, and even accessory items such as printers, scanners, and fax machines have an IP address. IP addresses are extremely common in the web design industry because every website must be associated with

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