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Subscriber Database
Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro functions like authentication services invocations etc.
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
Ans) The Transport Layer : Segments upper-layer applications. Establishes an end-to-end connection. Sends segments from one end host to another. Optionally, make sures
FRAME FILTERING: The very important task a bridge operates is frame filtering. If both the destination and source are on the same segment, it does not repeat the frame to the
Routing Table Each router now uses the shortest path tree to construct its routing table . each router uses the same algorithm and the same link state database its own sh
What are the key elements of protocols? The key elements of protocols are a. Syntax It refers to the structure or format of the data that is the order in which they a
Determine the command mode necessary to enter the extended ping command Ans) Router#
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
Difference between synchronous tdm and statistical tdm
What are the characteristics of Client/Server? Service Encapsulation of services Shared resources Asymmetrical protocols Mix-and-match Transparency of location
Point out the disadvantages of Ring Topology. The drawbacks of ring topologies are: a. It is considerably complex to install and reconfigure ring topology b. Media failur
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