Describe an ownership factor as an authentication factor.
What will be an ideal response?
An ownership factor is something a user has, such as an ID card, security token, or smart device.
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If Circle is a structure, what does the following statement do?
``` Circle *pcirc = nullptr; ``` a. It declares an empty structure variable named *pcirc. b. It declares a structure pointer called pcirc initialized with a null pointer. c. The statement is illegal in C++. d. It initializes a null pointer with the value of the Circle pointer. e. None of these
Methods that process String arguments as if they were numbers could possibly throw a/an _________ exception.
a. NumberFormatException b. NullPointerException c. both a and b d. none of the above
Which of the following is true about asymmetric encryption algorithms?
A. they use a secret key B. the same key is used to encrypt and encrypt data C. the performance is slower than with symmetric algorithms D. it is the most commonly used form of encryption
What is the shortest path in a graph?
a. The shortest path is the minimum sum of weights for the edges in the path between the vertices b. The shortest path is the smallest weight for an edge c. The shortest path is the path in a graph with the fewest vertices d. The shortest path is the path of edges that connects all nodes in the graph