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Pregunta 1
Pregunta
How do you document a VI so that the description appears in the Show Context Help popup window?
Respuesta
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Use the VI Properties Documentation window
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Type in the Show Context Help window
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Create a free label on the front panel
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Edit the LabVIEW help files
Pregunta 2
Pregunta
Can a wire be used to pass data between loops that are intended to run in parallel?
Respuesta
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YES
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NO
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MAY BE
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NOT SURE
Pregunta 3
Pregunta
Which of the following describes a Tab Control?
Respuesta
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A control that outputs ASCII values equal to the selected tab label
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A type of enumerated control
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A control that outputs a cluster of the controls / indicators on the tabs
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A controls that outputs the tab order of the controls on the front panel
Pregunta 4
Pregunta
What is an advantage of using a Strictly Typed VI refnum?
Respuesta
-
The data types of the target VI are known at compile time
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The data types passed to the VI can change programmatically
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You can flatten the data to a string to improve code performance
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Causes dynamically loaded VIs to be loaded at the start of execution
Pregunta 5
Pregunta
A coercion dot indicates that:
Respuesta
-
The data types are consistent
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A polymorphic operation will be performed on the data
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A data buffer is created to handle data conversion
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Data values are being coerced because they are out of range
Pregunta 6
Pregunta
Which of the following cannot be used to transfer data?
Respuesta
-
Queues
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Semaphores
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Notifiers
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Local variables
Pregunta 7
Pregunta
You have a control on the front panel of a VI and you need to modify one of its properties at run time. Which of the following is the best approach you would take?
Respuesta
-
Create an implicit property node and select the property to modify
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Create a control reference, pass the reference to a property node and select the property to modify
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Create a linked shared variable and select the property to modify the property
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Create a local variable and select the property to modify
Pregunta 8
Pregunta
For implementing state diagrams that allow future application scalability, the best choice for a base
structure is?
Respuesta
-
Sequence structure
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Object-Oriented structure
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Formula node
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Case structure
Pregunta 9
Pregunta
Clicking on the _________ button allows you to bypass a node in the Block Diagram without
single-stepping through the node.
Respuesta
-
Step Into
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Step Over
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Step Out
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Step through
Pregunta 10
Pregunta
Which chart update mode should be used to show running data continuously scrolling from
left to right across the chart?
Respuesta
-
Strip Chart
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Scope Chart
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Sweep Chart
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Step Chart
Pregunta 11
Pregunta
Which of the following does not conform to the Dataflow programming paradigm?
Respuesta
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Shift Registers
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Tunnels
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Local variables
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SubVIs
Pregunta 12
Pregunta
If possible, a Sequence structure should be replaced with an
Respuesta
-
Event structure
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For loop
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While loop
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State machine
Pregunta 13
Pregunta
A VI has Automatic Error Handling enabled. It calls a SubVI that has Automatic Error
Handling disabled. The Error Out terminal of the SubVI is unwired in the calling VI. The SubVI
returns an error to the calling VI. Will an error dialog be posted because of Automatic Error
Handling?
Respuesta
-
Yes, since the Error Out terminal from the subVI is not wired in the calling VI.
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No, since the Error Out terminal from the subVI is not wired in the calling VI.
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Yes, since he SubVI has Automatic Error Handling disabled
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No, since the SubVI has Automatic Error Handling disabled
Pregunta 14
Pregunta
Auto-indexing at loop boundary is a feature that allows: (More than one answer may
apply.)
Respuesta
-
Arrays to be automatically accumulated at loop boundaries
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Arrays to be automatically traversed from one iteration to the next
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Array functions to automatically index array elements
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Functions that use arrays to automatically index them
Pregunta 15
Pregunta
Which variable is commonly used to eliminate race conditions by preventing simultaneous
access to code or data?
Respuesta
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Functional global variable
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Local variable
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Global variable
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Shared variable
Pregunta 16
Pregunta
Which Server must be started before running Data Scoket VIs
Respuesta
-
HTTP Server
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Data Socket Server
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FTP Server
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OPC Server
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