To work with a file when you’re using Python, you must do all but one of the following. Which one is it?
A. open the file
B. close the file
C. write data to or read data from the file
D. decode the data in the file
Answer: D. decode the data in the file
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A function can return a value of type T in one of several different ways. Which of these is correct? If correct, give a short declaration of a function that returns its value by these mechanism. Comment on the const methods of function return value. Comment on when there is danger involved in returning a reference of any kind from a function. Finally, which one of these returns an l-value and which an r-value?
a) By value b) By lazy evaluation. c) By reference d) By const value e) By const reference
Which operating system is a version of Linux?
A. UNIX B. Ubuntu C. Multics D. MINIX
Why is it important to document existing wired and wireless networks?
A. to examine possible sources of interference B. to ensure that the new or expanded wireless LAN will "dovetail" into what is already in place C. to avoid providing overlapping network coverage D. to better understand the basic networking needs of the organization
Which of the following describes all of the categories of data pertaining to one person, place, thing, event or idea within a table row?
A) Database B) Record C) Field D) Query