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SCADA systemsdevops~20 mins

Navigation and screen hierarchy in SCADA systems - Practice Problems & Coding Challenges

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Challenge - 5 Problems
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🧠 Conceptual
intermediate
2:00remaining
Understanding Screen Hierarchy in SCADA

In a SCADA system, screens are organized in a hierarchy to allow easy navigation. Which statement best describes the purpose of a parent screen?

AA parent screen is the last screen in the navigation path with no children.
BA parent screen acts as a container that groups related child screens for organized navigation.
CA parent screen is a temporary screen used only for alerts and notifications.
DA parent screen is a screen that cannot be accessed directly by the user.
Attempts:
2 left
💡 Hint

Think about how grouping screens helps users find information easily.

💻 Command Output
intermediate
1:30remaining
Output of Navigation Command

Given the SCADA navigation command navigate_to('Main/Alarms/Active'), what is the expected screen path shown to the user?

SCADA systems
navigate_to('Main/Alarms/Active')
AMain > Alarms > Active
BAlarms > Main > Active
CActive > Alarms > Main
DMain > Active > Alarms
Attempts:
2 left
💡 Hint

Consider the order of screens in the path string separated by slashes.

❓ Configuration
advanced
2:30remaining
Configuring Screen Hierarchy in SCADA XML

Which XML snippet correctly defines a screen hierarchy where 'Dashboard' is the parent of 'Temperature' and 'Pressure' screens?

SCADA systems
<screens>
  <screen id="Dashboard">
    <!-- child screens here -->
  </screen>
</screens>
A
&lt;screens&gt;
  &lt;screen id="Dashboard"&gt;
    &lt;child id="Temperature" /&gt;
    &lt;child id="Pressure" /&gt;
  &lt;/screen&gt;
&lt;/screens&gt;
B
&lt;screens&gt;
  &lt;screen id="Temperature"&gt;
    &lt;screen id="Dashboard" /&gt;
    &lt;screen id="Pressure" /&gt;
  &lt;/screen&gt;
&lt;/screens&gt;
C
&lt;screens&gt;
  &lt;screen id="Dashboard" /&gt;
  &lt;screen id="Temperature" /&gt;
  &lt;screen id="Pressure" /&gt;
&lt;/screens&gt;
D
&lt;screens&gt;
  &lt;screen id="Dashboard"&gt;
    &lt;screen id="Temperature" /&gt;
    &lt;screen id="Pressure" /&gt;
  &lt;/screen&gt;
&lt;/screens&gt;
Attempts:
2 left
💡 Hint

Look for correct nesting of child screens inside the parent screen element.

❓ Troubleshoot
advanced
2:00remaining
Troubleshooting Navigation Failure

A user tries to navigate to the screen path Main/Settings/Network but receives an error 'Screen not found'. Which is the most likely cause?

AThe 'Network' screen is not defined as a child of 'Settings' in the hierarchy.
BThe 'Main' screen is missing from the SCADA system configuration.
CThe navigation command syntax is incorrect and missing quotes.
DThe user does not have permission to access the 'Settings' screen.
Attempts:
2 left
💡 Hint

Check if the screen path matches the defined hierarchy exactly.

🔀 Workflow
expert
3:00remaining
Designing a Navigation Workflow

You need to design a navigation workflow where users start at 'Home', can go to 'Reports', then to 'Daily' or 'Monthly' reports, and return back to 'Home'. Which sequence of navigation commands correctly implements this workflow?

Anavigate_to('Reports') → navigate_to('Home') → navigate_to('Reports/Daily') → navigate_to('Reports/Monthly')
Bnavigate_to('Home') → navigate_to('Daily') → navigate_to('Monthly') → navigate_to('Reports')
Cnavigate_to('Home') → navigate_to('Reports') → navigate_to('Reports/Daily') → navigate_to('Home')
Dnavigate_to('Home') → navigate_to('Reports/Monthly') → navigate_to('Reports/Daily') → navigate_to('Home')
Attempts:
2 left
💡 Hint

Think about the logical order of screens and returning to the start.