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CTFL_SYLL_4.0 · Question #168
CTFL_SYLL_4.0 Question #168: Real Exam Question with Answer & Explanation
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Question
You are testing a system that is used in motor vehicles to warn the driver of an obstacle when re- versing. Output is provided by a series of LED lights (green, yellow, and red), each illuminated based on clearly defined conditions. The following summary describes the functionality: - Object within 10 metres, green LED lit. - Object within 5 metres, yellow LED lit. - Object within 1 metre, red LED lit. - Setting sensitivity mode to "ON" will result in only the red LED being lit when the object is within 1 metre. The following decision table describes the rules associated with the functioning of this proximity warning system: Which intended functionality is tested by Rule 5 in the decision table?
Exhibit
Options
- AObject is within 5 metres of the vehicle and the sensitivity mode is switched "off", resulting in the
- BObject is within 5 metres of the vehicle and the sensitivity mode is switched "on", resulting in the
- CObject is within 5 metres of the vehicle and the sensitivity mode is switched "off", resulting in no
- DObject is within 5 metres of the vehicle and the sensitivity mode is switched "on", resulting in no
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