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A communications channel is pathways over which information can be communicate. It may be described by a physical wire that connects communicating devices, or by a radio, laser, or other radiated energy source that has no clear physical presence. Information sent by a communications channel has a source from which the information originates, and a destination to which the information is delivered. Although information originates from a one source, there may be more than single destination, depending upon how many receive stations are related to the channel and how much energy the transmitted signal possesses.
Q. Show the Distribution of Name Space? Distribution of Name Space --Information for domain name space must be stored on multiple servers (DNS servers) to be efficient
can we correct errors using crc?
Operating System - Server and Client Various operating systems that support Intranets are all variants of Windows and Unix. In addition to these, certain other software releva
Sole Access Protocol The atomic operations, which have conflicts, are handled using sole access protocol. The process used for synchronization in this protocol is given below:
What do you mean by OSI? The Open System Interconnection (OSI) reference model explains how information from a software application in one computer moves by a network medium to
Verify VLANs and trunking. Use the show ip interface trunk command on S1 and the show vlan command on S2 to determine that the switches are trunking correctly and the proper VL
Q. Show the steps used at sender end by check sum? The sender follows these steps: The data unit is divided into "k" sections, each off "n" bits All sections ar
(i) Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. a) Calculate the efficiency of stop-and-wait ARQ in
TCP creates a reliable data transfer service, in addition to IP''s unreliable best-effort service. Study the related sections of the text, and in your own words, summarize how TCP
The Common method for writing a program with PVM is as follows: A user writes one or more sequential programs in C, C++, or Fortran 77 having embedded PVM function (or subroutin
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