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    • HSCSD (High Speed Circuit Switched Data)

      HSCSD (High Speed Circuit Switched Data)

      Fixed/Mobile Mobile Circuit/Packet Circuit Max Bandwidth 57.6Kb Range Coverage area of host network Frequency Frequency of host network Host Network GSM Definer ETSI (European Telecommunications Standards Institute) URL http://www.etsi.org/ HSCSD (High Speed Circuit Switched Data) is a specification for data transfer over GSM networks. HSCSD utilizes up to four 9.6Kb or 14.4Kb time slots, for

    • ARP Cache

      ARP Cache

      The ARP cache is a table that stores mappings between Data Link Layer addresses and Network Layer addresses. The Data Link Layer addresses are usually MAC addresses and the Network Layer addresses are most frequently IP addresses. The Operating System stores the ARP cache in RAM. Displaying the ARP Cache Under most Unix and Microsoft

    • How to Flush DNS

      How to Flush DNS

      When surfing the Internet, a problem that can arise for consumers is getting a number of DNS errors or 404 errors in the web browser despite a working Internet connection. If this is the case, then learning how to flush DNS for your computer’s operating system (OS) is key to restoring the proper quality of

    • Unable to Resolve Anything Error

      Unable to Resolve Anything Error

      There are a number of problems that can cause your computer to be unable to resolve anything: The DNS settings in your computer could be misconfigured The network settings in your computer could be misconfigured Your DNS servers could all be broken The network between your computer and your DNS servers could be down A

    • Subnet Masks

      Subnet Masks

      A subnet mask allows users to identify which part of an IP address is reserved for the network and which part is available for host use. By looking at the IP address alone, especially now with classless inter-domain routing, users cannot tell which part of the address is which. Adding the subnet mask or netmask

    • How to Use PuTTY

      How to Use PuTTY

      PuTTY is an open source terminal emulation program that accesses Telnet, SSH, and other TCP protocols and acts as a serial client for computers. The letters “TTY” in the name PuTTY represent the terminal application in the Unix and Linux Operating Systems (OSs) and is also short for teletype. The PuTTY application was first written

    • How to Access a Linksys Router

      How to Access a Linksys Router

      Users can connect to a Linksys router manually by attaching an Ethernet cable from the router to a computer and typing 192.168.1.1 (the default IP address)  in the web browser. This kind of connection is used to setup a router for the first time or troubleshoot problems when a wireless connection is not available. By

    • How to Set Up Skype

      How to Set Up Skype

      Voice over Internet Protocol or VoIP is now recognized as one of the most popular methods of communicating over the Internet. Skype is one of the most popular programs for PC to PC calling with VoIP. Skype allows users to talk to anyone around the world for free. However, there are a few requirements that

    • MAC Address Filtering

      MAC Address Filtering

      MAC Address filtering is a technique that is implemented on many wireless networks to filter which devices are able to connect to the wireless network. MAC Address filtering allows an administrator to allow specific devices to connect to the network while blocking all other devices. MAC Address filtering is a free service provided by most

    • ISDN PRI

      ISDN PRI

      A PRI (Primary Rate Interface) is a telecommunication standard used in the Integrated Services Digital Network or ISDN for carrying multiple DS0 voice and data transmissions between two physical locations. PRI was developed specifically for industrial or large quantity users. It is an industrial ISDN line, while the Basic Rate Interface, or BRI, caters to

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