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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 (DNS) was created to divide mapping information to be stored on multiple computers to be accessed when needed
Question 1 Discuss the benefits and requirements of VOIP Question 2 Define the following Multicast routing protocol explain in detail with diagram Multicast backbone
explain benz network?
discuss the interdependence of workstation hardware with relevant software
One of the most popular models for designing parallel algorithms is PRAM (Parallel Random Access Machine). A PRAM consists of unbounded number of processors interrelating with each
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
What is Stop-and-Wait Automatic Repeat Request? Error correction in Stop-and-Wait ARQ is implemented by keeping a copy of the sent frame and retransmitting of the frame when th
Computer Networks A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models
(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
A method used to standardize and categorize fault-tolerant disk systems. RAID levels give lot of mixes of performance, reliability, and cost. Some servers give three of the RAID le
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
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