A network operations manager has added a second row of server racks in the datacenter. These racks face the opposite direction of the first row of racks.Which of the following is the reason the manager installed the racks this way?
A. To lower energy consumption by sharing power outlets
B. To create environmental hot and cold isles
C. To eliminate the potential for electromagnetic interference
D. To maximize fire suppression capabilities
Answer: B. To create environmental hot and cold isles
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Suppose we have a WashingMachine class and we have a function called raisePrice, which passes in an amount to raise the price by. After the class has been in use by a number of clients, we wish to add more to the raisePrice function, passing in two parameters, the amount to raise the price by and the date the price is being raised. We should:
A. make a new function, perhaps calling it raisePriceAndDate, which passes in these two parameters, while keeping the old raisePrice function in the class. B. change the raisePrice function to pass in the two parameters. C. change the amount parameter from a float type to a struct object type that has data members for amount and date. D. turn the class into a class template and use DataType for the function name
In a binary tree,
A) there must be at most one node with no predecessor B) there may be at most two nodes with no predecessor C) there may be any number of nodes with no predecessor D) there must be exactly one node with no predecessor
The open attribute of the tag defines where a link will open
Indicate whether the statement is true or false
The window where a user can move the mouse pointer, type text, or perform other tasks is called the ________ window
Fill in the blank(s) with correct word