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Q.Role of Host System?
Hosts on OSI implementations don't handle network operations (simple terminal) but TCP/IP hosts participate in most network protocols. TCP/IP hosts do such functions as routing, end-to-end verification and network control. The TCP/IP internet is able to be viewed as a data stream delivery system involving intelligent hosts.
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
QUESTION 1 (a) Draw a use-case model for the above system. You must identify all possible actors and use-cases. (b) Assume you are using the Rational Unified Process a
Router# reload is the command to reload the router
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
Describe the term - stateful implies The term stateful implies that the firewall is wakeful and is capable of remembering the state of each session of packet exchange across it
What is route summarization
Why Routine security audits are essential It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
Define Character Stuffing? In byte stuffing (or character stuffing), a particular byte is added to the data section of the frame when there is a character with the same pattern
Parallel Construct The syntax of the parallel construct is as follows: #pragma omp parallel [set of clauses] where clause is one of the following: structured-block if(sca
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