NWC302_CH1

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A large company has many computer resources including computers, servers, mainframes, network devices, computer development labs, computer databases, shared disk arrays, and so on. This is an example of which of the following? a. an enterprise network b. an extended client network c. a radiating network d. network concentration

a

What of the advantages of mesh topology? (choose three) a. Data can be transmitted from different devices simultaneously b. Even if one of the components fails there is always an alternative present. So data transfer doesn't get affected c. Expansion and modification in topology can be done without disrupting other node d. There are high chances of redundancy in many of the network connections

abc

which of the following have been facilitated by the OSI model? (choose three) a. The development of network hardware that uses common interfaces b. Enabling users to retain their investment in network devices by helping to ensure old equipment communicates with new equipment c. Protocol stacking so that all network protocols can use 512-bit WEP encryption d. Enabling different types of LANs and MANs to communicate

abd

A combination of the bus and star topologies is called a: a. Combo network b. Starbus network c. Tree network d. Ring network

b

What piece of hardware is usually at the centre of a star network? a. modem b. switch c. firewall d. sever

b

The two main advantages of a star network are: (choose two) a. Cheap to set up b. Easy to implement c. Requires additional hardware d. Process data very fast e. Can store more data than other networks

bd

Which of the following devices might be used to connect computers in a star topology? (Choose two) a. conjunction box b. switch c. terminator d. router

bd

Which of the following network topologies contains a backbone which runs the length of the network? a. Star b. Tree c. Bus d. Ring

c

which of the following networks will allow an Ineternet connection? a. Bus b. Star c. Ring d. Tree e. All of the above

e


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