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What is the importance of implementing a Fault Tolerance System? Are there limitations?
A fault tolerance system makes sure continuous data availability. This is done by eliminating a single point of failure. Though, this type of system would not be able to protect data in some cases, like in accidental deletions.
Q. Explain about Domain Name System? -In the past, mapping of IP addresses was static using a host file -Impossible in today's dynamic environment -Domain Name System (DN
Q. Factors effects the quality of image of monitor? Four factors effects the quality of image of monitor: 1. Phosphor coating: This affects the colour and persistence (Th
What are the value added services Many organisations are demanding higher services (also called value added services) such as faxing, minimal cost call routing, connectivity to
What is a dedicated server? A network server designated to provide one particular service is known as dedicated server. For example if a computer is assigned for database servi
Describe OSPF?
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
Along any transmission path from a given source to a given destination, a group of virtual circuits can be grouped together into what is known as path.
HEADERS AND FRAME FORMAT: LAN technology standards describe frame format for every technology. All contemporary standards use the following basic format. a) Frame header b
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What is DNS? DNS is Domain Name System. The major function of this network service is to provide host names to TCP/IP address resolution.
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