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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
features
What are the popular topologies other than basic Topologies? Apart from basic topologies some other topologies worth considering are: mesh topology (each device linked to all o
An industry standard suite of protocols for the use of point-to-point links to transport multiprotocol datagrams.
Can you describe Application layer in OSI model?
802.11a OFDM a) Orthogonal frequency-division multiplexing utilizing a 5-GHz band b) Same as FDM except all sub bands are used by only one source at a given time c) Secu
The Physical layer deals with the definite physical medium and the method of transporting 1s and 0s.
Recognize the mode reflected by the following prompt 'Router '? Ans) RXBoot
Addressing Complicated addressing scheme because there may be intermediate stations (APs), identified by flags
TCP Connections TCP is an end to end point to point transport used in internet. being a point to point protocols means that there is always s single sender a single
Question 1 Discuss the following Evolution of Data Communication Elements of Data Communication System Question 2 Explain the following
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