Discuss the issues associated with mobile DBMSs.
What will be an ideal response?
discusses issues with mobile DBMSs. Of particular interest are issues relating to:
? Security
? Transactions
? Query processing
? Query optimization
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Why is a gateway address needed?
a. This is connecting to other networking devices in your LAN. b. This is needed when a device needs to communicate to other devices that are not on the same network or on the Internet c. This is used to eliminate the need for a router. The PC will just forward a packet to the gateway which is then delivered by TCP/IP d. This is used to eliminate the need for a router. The PC will just forward a packet to the gateway which is then delivered by DNS/DHCP
How can you create a file named –i? Which techniques do not work, and why do they not work? How can you remove the file named –i?
What will be an ideal response?