CompTIA Tech+ (FC0-U71) Practice Tests: 8 Practice Tests and 537 Questions
FC0-U71
537
Infrastructure | Computing devices; Internal components; Peripherals; Networking basics (24%)
Security | CIA triad; Authentication methods; Password best practices; Threats & vulnerabilities (19%)
Applications and software | Operating systems; Productivity software; File management; Collaboration tools (18%)
Tech concepts and terminology | Notational systems; Units of measure; Troubleshooting methodology (13%)
Software development concepts | Programming languages; Data types; Programming logic (13%)
Data and database fundamentals | Value of data; Database structures; Data backups (13%)
Software development concepts
An array named scores holds 5 elements and uses zero-based indexing. What happens if the program tries to read scores[5]?
It returns the last element in the array
It returns the first element in the array
It automatically adds a sixth element
It causes an out-of-bounds (index out of range) error
D
With zero-based indexing, a 5-element array has valid indexes 0 to 4. Index 5 is past the end, so most languages raise an out-of-bounds error or return unpredictable data.
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CompTIA Tech+ (FC0-U71) #1
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CompTIA Tech+ (FC0-U71) #2
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CompTIA Tech+ (FC0-U71) #5
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Exam Mode: CompTIA Tech+ (FC0-U71) #6
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CompTIA Tech+ (FC0-U71) #8
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