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Physical Configurations
Transport signal multiplexer de multiplexer. It either signal from multiple sources into a STS singles or de multiplexes and STS signal into different signals .
Regenerator it is a repeater that takes a received optical signal and regenerates it functions in the data link layer. A SONET regenerator replace some of the existing overhead information with new information.
Add drop multiplexer can add signals coming from different sources into a given path or remove a desired signals from a path redirect it without de multiplexing the entire signal .
There are two dominant forms of building distributed systems: client-server systems, i.e. systems in which one machine acts as a server and act as clients; and peer-to-peer systems
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
Can you describe IP protocol?
Q. TCP-IP and OSI Differences - TCP/IP combines the Presentation and Application Layers - TCP/IP combines the OSI Data Link and Physical Layers into 1 Layer - TCP/IP app
what is parity checking
Hosts are generally, individual machines at a specific location. Normally Resources of host machine are shared and can be used by any user on Internet. Hosts & local networks are g
DNS spoofing This process is generally refers to the process of responding a DNS request that was supposed to implement for another server. This can be in the case where the s
Explain about the Intranet hardware and software Intranets not only provide a secure environment for companies but also provide an excellent working environment that is full of
Define the analog audio and video conferencing systems When analog audio and video conferencing systems were used, the procurement and installation was complex, less reliable a
DLCI stands for Data Link Connection Identifier. It identifies the local PVC.
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