Virtualization that allows an operating system kernel to run multiple isolated instances of the guest is called:
A. Process segregation
B. Software defined network
C. Containers
D. Sandboxing
Answer: C. Containers
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AssumingN, X, Y, andZare previously been declared variables withZas aStringvariable, whichvariable acts as a flag in the following pseudocode snippet:
```Set X = 0 Set Y = 0 While (X == 0) AND (X < N) If Z == “Joey” Set Y = 1 End If Set X = X + 1 End While``` a. N b. X c. Y d. Z
Which of the following statements about the definition and declaration of functions is not correct?
a. Function declaration is exactly the same as function prototype. b. Function definition is exactly the same as function prototype. c. A function header is exactly the same as function prototype except for the semicolon. d. A function definition is a function header followed by the function block. e. A function header syntax is the following: return_type function_name parenthesized_parameter_list
Which of the following statements about structures is false?
A. Fields within a structure can be accessed and manipulated individually. B. The full reference to a field is the structure variable identifier and the field identifier separated by direct selection operator. C. Any operation, including reading and writing, that can be applied to an individual variable can be applied to a structure field. D. The direct selection operator has a very high precedence (16). E. If it is unique with the current scope, only the field identifier is required.
Some people rely heavily on social networking, instant messaging, and texting to communicate with friends and business colleagues. Others find these methods distracting. Do you use social networking, instant messaging, or texting? Why or why not?
What will be an ideal response?