37 solutions available
Question 1Internet is a network of networks. How did it come into existence ? How does it function ?
Question 2Discuss various types of networks. Can you imagine the relationship of a LAN with a WAN ? What is it ? Discuss.
Question 3What is switching ? Discuss various switching technologies.
Question 4What is communication media ? Discuss different types of communication media used in networks.
Question 5Discuss various Guided media.
Question 6Discuss various Unguided media.
Question 7What are different types of networks based on roles of computers ?
Question 8What are different types of networks based on geographical spread ?
Question 9What are topologies ? Why are they important ? Discuss different topologies and advantages/disadvantages they offer.
Question 10Write a note on the functioning of the Internet.
Question 16A local telephone network is an example of a ............... network.Packet switchedCircuit switchedMessage switchedAll of these
Question 17Which transmission media is capable of having a much higher bandwidth (data capacity) ?CoaxialTwisted pair cableUntwisted cableFibre optic
Question 24Which of the following is not a guided medium ?twisted-pair cablecoaxial cablefiber-optic cableRadio-waves
Question 25Radio-waves, microwaves and infrared waves are types ofwireless transmissionguided transmissionwired transmissionunguided transmission
Question 26Twisted-pair, Coaxial and Fiber optic are types ofwireless transmissionguided transmissionwired transmissionunguided transmission
Question 32Which of the following devices can be used at the centre of a star topology?RouterRepeaterModemHub
Question 33If a computer connected to a star topology fails, the entire network will ...............also failwork unaffectedlyonly server will...
Question 34A combination of bus and star topologies is called a ............... topology.CombinationHybridMeshTree
Question 35Internet is an example of ............... topology.StarBusBustarBus
Question 36Which type of network needs 'terminators' to function correctly ?BusRingStarMesh
Question 37............... topology uses hubs or switches as a central point of connection :BusStarRingMesh
Question 10(ii)Write some advantages and disadvantages of coaxial cables.
Question 10(iii)Write some advantages and disadvantages of twisted pair cables.
Question 10(iv)Write some advantages and disadvantages of radio waves.
Question 10(v)Write some advantages and disadvantages of micro waves.
Question 10(vi)Write some advantages and disadvantages of satellites.
Question 14What is bandwidth ? How is it measured ?
Question 15What do you understand by data transfer rates ?
Question 16In initial years, a modem providing a data rates of 56 kbps for downloading and 14.4 kbps for uploading was considered a good modem. How...
Question 17Discuss and compare various types of networks.
Question 22Explain various mostly used topologies.
Question 23Discuss the factors that govern the selection of a topology for a network.
Question 24(i)Compare and contrast Star and Bus topologies.
Question 24(ii)Compare and contrast Star and Tree topologies.
Question 24(iii)Compare and contrast Bus and Ring topologies.
Question 18Initially the Internet was formed by interconnecting ARPANET, NSFNet and other university networks.
Question 23UTP and STP are twisted pair cables.