One of the nicest features of a relational DBMS, such as MySQL, is the ease with which you can change table structures.

Which of the following is NOT a way that surge protectors prevent damage from severe surges?

A) Prevent electricity from exiting to your plugged in electronics B) Burn out the backup fuse C) Trip an alarm D) Pass excess current to a ground wire

What three basic components are needed when connecting sites through the WAN? (Choose three.)

a. A device to convert signals and to provide coding and line clocking b. A device to convert information into signals c. A device to convert signals into information d. A transmission circuit