What tab should a CentOS 7 administrator use in System Monitor to view the usage history of their system's swap memory?
A. Resources tab
B. Processes tab
C. Memory tab
D. File System tab
Answer: A
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If a query includes columns from multiple tables that have the same name, the statement must precede those column names with _________.
a. their database names. b. their database names and a dot. c. their table names and a dot. d. their table names.
When you declare a variable in the For clause, the variable stays in the computer's internal memory when the loop ends.
Answer the following statement true (T) or false (F)
Which of the following statements is false?
a. A generator expression is similar to a list comprehension, but creates an iter-able generator object that produces values on demand—this is an example of lazy evaluation. b. The generator expression in the following for statement squares and returns only the odd values in numbers: numbers = [10, 3, 7, 1, 9, 4, 2, 8, 5, 6] for value in (x ** 2 for x in numbers if x % 2 != 0): print(value, end=' ') c. A generator expression does not create a list. d. All of the above are true.
Write a declaration for a String variable called change and initialize it to the characters stored in another String object called original with all 'e' characters changed to 'j'.
What will be an ideal response?