A+ Guide to IT Technical Support (Hardware and Software) (MindTap Course List)
9th Edition
ISBN: 9781305266438
Author: Jean Andrews
Publisher: Cengage Learning
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Chapter 18, Problem 4TC
You sign in to your personal computer with your Microsoft account and then you want to set up your computer as a trusted device to make changes to the account settings. Microsoft sends a code to your cell phone in a text message. You enter the code on a Windows screen. This type of authentication is called:
a. Multifactor authentication
b. Mutual authentication
c. Biometric authentication
d. None of the above
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Refer to page 80 for problems on white-box testing.
Instructions:
•
Perform control flow testing for the given program, drawing the control flow graph (CFG).
• Design test cases to achieve statement, branch, and path coverage.
• Justify the adequacy of your test cases using the CFG.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440 AZF/view?usp=sharing]
Refer to page 10 for problems on parsing.
Instructions:
•
Design a top-down parser for the given grammar (e.g., recursive descent or LL(1)).
• Compute the FIRST and FOLLOW sets and construct the parsing table if applicable.
• Parse a sample input string and explain the derivation step-by-step.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]
Refer to page 20 for problems related to finite automata.
Instructions:
•
Design a deterministic finite automaton (DFA) or nondeterministic finite automaton (NFA) for the
given language.
• Minimize the DFA and show all steps, including state merging.
•
Verify that the automaton accepts the correct language by testing with sample strings.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440AZF/view?usp=sharing]
Chapter 18 Solutions
A+ Guide to IT Technical Support (Hardware and Software) (MindTap Course List)
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