Replication Topology is the route by which replication data travels throughout a network. Replication occurs between two domain controllers at a time. Over time, replication synchronizes information in Active Directory for an entire forest of domain controllers. To create a replication topology active directory must determine which domain controller's replicate data with other domain controllers. …
Rainfade refers to a phenomenon that occurs during strong rain or snowfall in which satellite signals are prevented from reaching their destination. Rainfade may also refer to extensive cloud cover, strong winds, or any other environmental effect that distorts a satellite broadcast, but is most often observed during rainfall. Rainfade may also refer to the …
DNS is the primary name registration and resolution service in Windows 2000 and Windows Server 2003. It provides a hierarchically distributed and scalable database, name registration, name resolution and service location for Windows 2000 and Windows Server 2003 clients, and locates domain controllers for logon. A DNS server is a computer running the DNS Server …
Even if you’ve only recently opened up a MySpace, there is a good chance that you are receiving emails and profile comments from your friends and others who you do not know. In order to access your MySpace inbox messages, follow these simple steps below. First, log into your MySpace account with your email address …
Prepaid cell phones are mobile phones that are not associated with a long term contract and, therefore, do not incur the overage charges and late fees associate with contract plans. Prepaid cell phones are paid before the mobile service is activated on a monthly or “pay-as-you-go” basis and are deactivated when the service term expires …
Determining Information Flow Requirements To determine the information flow of the organization, you need to include a number of factors, of which the main ones are listed below. Accessing data or information should be one of the main concerns when planning the network design: The data that needs to be accessed by users. The location …
MTBF stands for Mean Time Between Failures. MTBF numbers represent a statistical approximation of how long a set of devices should last before failure. MTBF numbers are not valuable at determining when a specific device will fail. MTBF numbers are usually stated in terms of hours. MTBF is often erroneously described as Mean Time Before …
A high-frequency alternator is an electrical device used for radio communications. It yields high-frequency, periodically alternating current that can go as high as 100,000 Hz for the purpose of producing stable radio waves. The History of High-Frequency Alternators By the first decade of the 20th century, wireless telegraphy was already in place and was no …
A wireless modem is a network device which connects to a wireless network. Modems are frequently associated with telephone systems, but wireless modems are used with computers to connect to the Internet. Connecting a wireless modem to the computer will directly connect to your wireless ISP (Internet Service Provider). Wireless modems operate at speeds comparable …
Automatic gain control is a technique implemented in many consumer electronics that automatically adjusts the input levels of a system by inducing a portion of the output levels in the input terminals. Automatic gain control is used in a wide variety of technologies, including telecommunications, navigation, audio/video recordings, and radio systems. Automatic gain control can …