Two system administrators who work in two different buildings for the same company want to open a communication channel between the two buildings without spending a large amount of money for equipment and for telecommunication circuits. the buildings are about 30 meters apart, but there is significant foliage between them. the system administrators decide to use wireless technology to connect the two buildings. which wireless technology do they use?

Technician a says that a dry sump system uses no oil storage sump under the engine. technician b says that a wet sump system uses no oil storage sump under the engine. who is correct?

One of your customers wants you to build a personal server that he can use in his home. one of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. you have decided to back up his data using raid. since this server is for personal use only, the customer wants to keep costs down. therefore, he would like to keep the number of drives to a minimum. which of the following raid systems would best meet the customer's specifications? a. raid 0 b. raid 1 c. raid 5 d. raid 10

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