ETS6 Professional: KNX Basic exam questions with worked answers

Practice questions from the ETS6 Professional block of the KNX Basic certification. Detailed corrections, public sources, free to read without sign-up.

55 questions~ 50 minFree · no sign-up

Questions for the "ETS6 Professional" topic

Q01
The ETS6 Menu bar can be temporarily shown by pressing the CTRL key.
TrueFalse
ETS6 Professional· Bars, views, columns, search & filter· Easy
Correct answer
False
Learning tip
The Menu bar is temporarily shown by pressing the ALT key, not CTRL.
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Q02
When the Download button in the main toolbar is clicked, how does ETS decide what to download?
- A.It always downloads the full application and address
- B.It selects the best download option for the device based on the device's flags
- C.It selects based on the device's bus current
- D.It asks the user to choose every time via a wizard
ETS6 Professional· Bars, views, columns, search & filter· Medium
▸
Correct answer
B — It selects the best download option for the device based on the device's flags
Learning tip
Correct: When the Download button is clicked, ETS selects the best download option for this device based on the device's flags.
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Q03
Which statement about the main toolbar's appearance is correct?
- A.Buttons can be freely added and removed by the user
- B.The toolbar can be dragged to the bottom of the window
- C.Its colour scheme is user-configurable
- D.It is not possible to change the appearance of the main toolbar
ETS6 Professional· Bars, views, columns, search & filter· Easy
▸
Correct answer
D — It is not possible to change the appearance of the main toolbar
Learning tip
Correct: The source states it is not possible to change the appearance of the main toolbar.
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Q04
What is the default selection of the connection manager opened from the main toolbar?
- A.Automatic
- B.Manual
- C.USB
- D.IP Tunnelling
ETS6 Professional· Bars, views, columns, search & filter· Easy
▸
Correct answer
A — Automatic
Learning tip
Correct: The connection manager opens with the default selection 'Automatic'.
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Q05
Which numeric keys collapse and expand tree branches in the Tree view?
- A.'+' expands and '-' collapses
- B.F2 expands and ENTER collapses
- C.'/' collapses and '*' expands
- D.'*' collapses and '/' expands
ETS6 Professional· Bars, views, columns, search & filter· Medium
▸
Correct answer
C — '/' collapses and '*' expands
Learning tip
Correct: The numeric key '/' collapses a branch and '*' expands it.
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Q06
How many search items will be saved?
- A.Up to 15
- B.Up to 5
- C.Up to 10
- D.Up to 20
ETS6 Professional· Bars, views, columns, search & filter· Medium
▸
Correct answer
A — Up to 15
Learning tip
Correct: Up to 15 search items will be saved, sorted chronologically with the most recent on top.
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Q07
Before you can download the individual address and/or application program from the commissioning PC to the KNX installation, the bus interface settings must have been set correctly.
TrueFalse
ETS6 Professional· Commissioning, download, unload & restart· Easy
Correct answer
True
Learning tip
The source states that to configure the connection between a computer and a KNX installation (e.g. to download the individual address and/or application program), it is indispensable that the bus interface settings have been set correctly.
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Q08
ETS distinguishes four download parts of a KNX device: the individual address, the application program(s), the group addresses (with their links/tables), and the parameters.
TrueFalse
ETS6 Professional· Commissioning, download, unload & restart· Easy
Correct answer
True
Learning tip
The source lists exactly these download parts: Individual address, Application program(s), Group addresses (group addresses and the links between group objects, the tables), and Parameters.
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Q09
Which download-status flag indicates that the application program(s) have been loaded into the device?
- A.Adr
- B.Par
- C.Grp
- D.Prg
ETS6 Professional· Commissioning, download, unload & restart· Easy
▸
Correct answer
D — Prg
Learning tip
Correct: Prg indicates the application program(s) are loaded.
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Q10
Which download flags are involved in the 'Download All' option?
- A.Par and Grp only
- B.Adr, Prg, Par and Grp
- C.Adr only
- D.Prg only
ETS6 Professional· Commissioning, download, unload & restart· Medium
▸
Correct answer
B — Adr, Prg, Par and Grp
Learning tip
Correct: Download All transfers all project data and involves the Adr, Prg, Par and Grp flags.
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Q11
What does the 'Download Partial' option transfer to the device(s)?
- A.All project data, exactly like Download All
- B.Only the individual address
- C.Only the parts changed in ETS and not downloaded before (Parameters/Addresses and Application programs)
- D.Nothing until the device is restarted
ETS6 Professional· Commissioning, download, unload & restart· Medium
▸
Correct answer
C — Only the parts changed in ETS and not downloaded before (Parameters/Addresses and Application programs)
Learning tip
Correct: Download Partial sends only the changed, not-yet-downloaded parts, split into Parameters/Addresses and Application programs.
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Q12
Under what condition can ETS assign an individual address without you physically pressing the device's download button?
- A.When the device supports the KNX Serial Number feature and its serial number is entered in ETS
- B.Whenever the device is powered on the bus
- C.Only after the application program has been downloaded
- D.Never; the download button must always be pressed
ETS6 Professional· Commissioning, download, unload & restart· Medium
▸
Correct answer
A — When the device supports the KNX Serial Number feature and its serial number is entered in ETS
Learning tip
Correct: With the KNX Serial Number entered, ETS can address the device without a button press.
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Q13
For a device that does not support the KNX Serial Number feature, what does ETS ask you to do to download the individual address?
- A.Enter the device's IP address manually
- B.Physically press the download button on the device, as prompted in the Pending Operations Sidebar
- C.Nothing; ETS assigns it automatically anyway
- D.Restart the device first
ETS6 Professional· Commissioning, download, unload & restart· Easy
▸
Correct answer
B — Physically press the download button on the device, as prompted in the Pending Operations Sidebar
Learning tip
Correct: ETS asks, in the Pending Operations Sidebar, to physically press the download button.
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Q14
Which Unload variant requires the device to be in Programming Mode?
- A.Unload Application (only)
- B.Both variants require Programming Mode
- C.Unload Application and Address
- D.Neither variant requires Programming Mode
ETS6 Professional· Commissioning, download, unload & restart· Medium
▸
Correct answer
C — Unload Application and Address
Learning tip
Correct: Unload Application and Address requires the device to be in Programming Mode.
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Q15
The ETS diagnostics function requires direct bus access, so the computer must be connected to the KNX installation via a USB interface (KNX TP or RF USB) or an IP interface (KNX TP/IP).
TrueFalse
ETS6 Professional· Diagnostics, monitors & project check· Easy
Correct answer
True
Learning tip
The source states the diagnostics function of ETS requires direct bus access via a USB interface (TP or RF USB) or an IP interface (TP/IP).
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Q16
For a KNX RF S-Mode device whose programming mode is not switched off manually, what happens?
- A.The device automatically switches off programming mode after 40 minutes
- B.Programming mode stays on until the next download
- C.The device automatically switches off programming mode after 4 minutes
- D.The device is damaged after 4 minutes in programming mode
ETS6 Professional· Diagnostics, monitors & project check· Medium
▸
Correct answer
C — The device automatically switches off programming mode after 4 minutes
Learning tip
Correct: The source states RF S-Mode devices auto switch off programming mode after 4 minutes.
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Q17
The three ETS telegram-monitoring tools are the Bus Monitor, the Group Monitor and the Project Check.
TrueFalse
ETS6 Professional· Diagnostics, monitors & project check· Easy
Correct answer
False
Learning tip
False: the three monitors are the Bus Monitor, the ETS Bus Activity Monitor and the Group Monitor; the Project Check is an offline project test, not a monitor.
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Q18
While the Bus Monitor is recording, which statement is true about other bus diagnostics?
- A.All other diagnostics remain fully available
- B.You cannot check an individual address, do a line scan or search for programming-mode devices, because the Bus Monitor needs exclusive bus access
- C.Only downloads are blocked, everything else works
- D.Another Bus Monitor can run in parallel on the same interface
ETS6 Professional· Diagnostics, monitors & project check· Medium
▸
Correct answer
B — You cannot check an individual address, do a line scan or search for programming-mode devices, because the Bus Monitor needs exclusive bus access
Learning tip
Correct: The Bus Monitor requires exclusive bus access, so those functions are unavailable during its recording.
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Q19
Which monitor lets you continue to check individual addresses, do a line scan or search for programming-mode devices while it is recording?
- A.The Bus Monitor, because it records everything
- B.Neither monitor allows any other diagnostics during recording
- C.The Group Monitor, because it does not require exclusive bus access
- D.Both monitors always allow all other diagnostics
ETS6 Professional· Diagnostics, monitors & project check· Medium
▸
Correct answer
C — The Group Monitor, because it does not require exclusive bus access
Learning tip
Correct: The Group Monitor shares the bus, so those functions remain available during its session.
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Q20
How many levels/checks does the Project Check perform, and which are they?
- A.Three: Device, Group address and Topology checks only
- B.Four: Device, Group address, Topology and Bus Traffic checks
- C.Five: Device, Group address, Topology, Security and Licensing checks
- D.Five: Device check, Group address check, Topology check, Product Information check, and Checks for projects imported from earlier ETS versions
ETS6 Professional· Diagnostics, monitors & project check· Medium
▸
Correct answer
D — Five: Device check, Group address check, Topology check, Product Information check, and Checks for projects imported from earlier ETS versions
Learning tip
Correct: The source lists these five levels of the Project Check.
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Q21
In the Topology Check, which default averages are used when the current properties are not available?
- A.320 mA per device, 10 mA per power supply
- B.20 mA per device, 640 mA per power supply
- C.10 mA assumed per device, 320 mA assumed per power supply
- D.10 mA per device, 160 mA per power supply
ETS6 Professional· Diagnostics, monitors & project check· Medium
▸
Correct answer
C — 10 mA assumed per device, 320 mA assumed per power supply
Learning tip
Correct: The source specifies 10 mA per device and 320 mA per power supply as the assumed averages.
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Q22
At what level does the Online Error Diagnostics wizard check for installation errors, and what does it require?
- A.At the functionality level, i.e. group address level, and it requires an online connection to the bus
- B.At the topology level, and it works offline
- C.At the individual-address level only, with no bus needed
- D.At the licensing level, requiring a dongle
ETS6 Professional· Diagnostics, monitors & project check· Medium
▸
Correct answer
A — At the functionality level, i.e. group address level, and it requires an online connection to the bus
Learning tip
Correct: The source states it checks at group-address (functionality) level and needs an online bus connection.
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Q23
What is the window that appears when ETS opens called?
- A.The dashboard
- B.The panel selector
- C.The project workspace
- D.The catalog
ETS6 Professional· Dashboard, local projects & restore points· Easy
▸
Correct answer
A — The dashboard
Learning tip
Correct: the window that appears when ETS opens is the dashboard.
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Q24
How can you access the dashboard again at any time while ETS is running?
- A.By restarting ETS each time
- B.By clicking the '+' button to open a new ETS (Overview) tab
- C.By pressing the SHIFT key
- D.It cannot be reopened during a session
ETS6 Professional· Dashboard, local projects & restore points· Easy
▸
Correct answer
B — By clicking the '+' button to open a new ETS (Overview) tab
Learning tip
Correct: the '+' button opens a new Overview tab, giving access to the dashboard.
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Q25
What can the dashboard's search bar do?
- A.Search only projects in the local list
- B.Search only archived projects
- C.Quickly search for projects regardless of location - the local list or anywhere in the archive
- D.Search the online product catalog only
ETS6 Professional· Dashboard, local projects & restore points· Medium
▸
Correct answer
C — Quickly search for projects regardless of location - the local list or anywhere in the archive
Learning tip
Correct: the search bar spans the local list and the archive.
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Q26
Which buttons does the dashboard's main toolbar contain?
- A.Settings, Help and New Project
- B.New Project and Import Project
- C.Start Project Wizard and Export
- D.Settings and Help
ETS6 Professional· Dashboard, local projects & restore points· Medium
▸
Correct answer
D — Settings and Help
Learning tip
Correct: the main toolbar contains the Settings and Help buttons.
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Q27
Where are locally stored ETS projects kept?
- A.In the Project Archive only
- B.In the KNX Help Center
- C.In the 'Local Project Store', opened via the 'Local Projects' button
- D.In the online product catalog
ETS6 Professional· Dashboard, local projects & restore points· Easy
▸
Correct answer
C — In the 'Local Project Store', opened via the 'Local Projects' button
Learning tip
Correct: locally stored projects are kept in the Local Project Store.
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Q28
What is the purpose of project restore points?
- A.To open an ETS project in one of its earlier stages
- B.To permanently delete old project versions
- C.To export a project to knxproj format
- D.To lock a project against editing
ETS6 Professional· Dashboard, local projects & restore points· Medium
▸
Correct answer
A — To open an ETS project in one of its earlier stages
Learning tip
Correct: restore points open a project in an earlier stage.
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Q29
What does the abbreviation ETS stand for?
- A.Engineering Tool Software
- B.Electrical Testing System
- C.European Telecom Standard
- D.Engineering Technical Setup
ETS6 Professional· ETS concept & requirements· Easy
▸
Correct answer
A — Engineering Tool Software
Learning tip
Correct: ETS stands for Engineering Tool Software, a registered trademark of the KNX Association.
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Q30
What is the minimum CPU requirement for installing ETS6?
- A.A processor of at least 1 GHz
- B.A processor of at least 3 GHz
- C.A processor of at least 2.5 GHz
- D.A processor of at least 2 GHz
ETS6 Professional· ETS concept & requirements· Medium
▸
Correct answer
D — A processor of at least 2 GHz
Learning tip
Correct: the minimum CPU is at least 2 GHz.
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Q31
What is the minimum RAM requirement for ETS6?
- A.At least 4 GB
- B.At least 2 GB
- C.At least 8 GB
- D.At least 1 GB
ETS6 Professional· ETS concept & requirements· Easy
▸
Correct answer
A — At least 4 GB
Learning tip
Correct: the minimum RAM is 4 GB.
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Q32
What is the minimum storage (disk space) requirement for ETS6?
- A.At least 10 GB
- B.At least 20 GB
- C.At least 40 GB
- D.At least 2 GB
ETS6 Professional· ETS concept & requirements· Medium
▸
Correct answer
B — At least 20 GB
Learning tip
Correct: the minimum storage is 20 GB.
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Q33
What is the minimum screen resolution required by ETS6?
- A.800 x 600
- B.1280 x 1024
- C.1024 x 768
- D.1920 x 1080
ETS6 Professional· ETS concept & requirements· Medium
▸
Correct answer
C — 1024 x 768
Learning tip
Correct: the minimum screen resolution is 1024 x 768.
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Q34
Which operating systems are exclusively supported for an ETS6 installation?
- A.Windows 10 (Version 20H2 or higher) and Windows 11
- B.Windows 10, Windows 11 and macOS
- C.Any Windows version plus Linux
- D.Windows 7 and Windows 8
ETS6 Professional· ETS concept & requirements· Medium
▸
Correct answer
A — Windows 10 (Version 20H2 or higher) and Windows 11
Learning tip
Correct: these are the only supported operating systems.
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Q35
In which file format does ETS6 export a project?
- A..knxprod product file
- B..knxprojarchive
- C..vd5 file
- D..knxproj (the ETS6 project format)
ETS6 Professional· Import/export, product import & project design· Easy
▸
Correct answer
D — .knxproj (the ETS6 project format)
Learning tip
Correct: ETS6 exports projects only in the ETS6 project format, i.e. as a .knxproj file.
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Q36
With an ETS Demo license, what is the maximum number of devices a project may contain in order to be exported?
- A.5 devices
- B.20 devices
- C.10 devices
- D.Unlimited
ETS6 Professional· Import/export, product import & project design· Medium
▸
Correct answer
A — 5 devices
Learning tip
Correct: a Demo license can export projects with a maximum of 5 devices.
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Q37
How many devices can a project contain, at most, to be exported with an ETS Lite license?
- A.5 devices
- B.20 devices
- C.50 devices
- D.Unlimited
ETS6 Professional· Import/export, product import & project design· Medium
▸
Correct answer
B — 20 devices
Learning tip
Correct: a Lite license can export a project with a maximum of 20 devices.
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Q38
What do files with the .knxprod extension contain?
- A.An exported ETS project
- B.Manufacturer product data in the XML-Data format (from ETS4 onwards)
- C.A device plug-in package
- D.Bus monitor recordings
ETS6 Professional· Import/export, product import & project design· Easy
▸
Correct answer
B — Manufacturer product data in the XML-Data format (from ETS4 onwards)
Learning tip
Correct: .knxprod files are product data in the XML-Data format, used from ETS4 until today.
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Q39
What is the default group address style of a new ETS project?
- A.Two levels (main group / subgroup)
- B.Free style
- C.Four levels
- D.Three levels (main group / middle group / subgroup)
ETS6 Professional· Import/export, product import & project design· Easy
▸
Correct answer
D — Three levels (main group / middle group / subgroup)
Learning tip
Correct: a new project defaults to the three-level group address style.
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Q40
What size is the Domain Address that ETS automatically generates for a new RF line?
- A.3 bytes
- B.2 bytes (like a group address)
- C.16 bytes
- D.6 bytes
ETS6 Professional· Import/export, product import & project design· Medium
▸
Correct answer
D — 6 bytes
Learning tip
Correct: ETS creates a unique 6-byte Domain Address for a new RF line.
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Q41
Immediately after running the ETS6 setup on a fresh PC and starting ETS6, in what state does it run?
- A.As demo, because the setup does not add a license
- B.As ETS6 Professional by default
- C.It refuses to start until a dongle is plugged in
- D.As ETS6 Lite, the free edition
ETS6 Professional· ETS settings, licensing & troubleshooting· Medium
▸
Correct answer
A — As demo, because the setup does not add a license
Learning tip
Correct: There is only one ETS6 setup and it installs ETS6 as demo; the setup does not add a license.
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Q42
After adding a license to the ETS6 software package, ETS6 becomes one of which editions?
- A.ETS6 Professional, ETS6 Lite or ETS6 Demo
- B.ETS6 Professional, ETS6 Home or ETS6 Lite
- C.ETS6 Professional or ETS6 Bundle only
- D.ETS6 Standard, Home or Lite
ETS6 Professional· ETS settings, licensing & troubleshooting· Medium
▸
Correct answer
B — ETS6 Professional, ETS6 Home or ETS6 Lite
Learning tip
Correct: Once a license is added, ETS6 becomes ETS6 Professional, ETS6 Home or ETS6 Lite.
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Q43
Which statement correctly distinguishes the two ways to license ETS6 and its Apps?
- A.Guided licensing never needs internet; manual licensing always needs internet
- B.Both methods require a permanent internet connection
- C.Neither method uses the internet at all
- D.Guided licensing needs internet only at the time of licensing; manual licensing needs no internet at the time of licensing
ETS6 Professional· ETS settings, licensing & troubleshooting· Medium
▸
Correct answer
D — Guided licensing needs internet only at the time of licensing; manual licensing needs no internet at the time of licensing
Learning tip
Correct: Guided licensing requires an active internet connection only at the time of licensing, while manual licensing does not require internet at the time of licensing.
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Q44
Which logging levels does ETS define, and which is the default?
- A.Standard and Extended, with Standard as the default
- B.Standard and Extended, with Extended as the default
- C.Basic and Full, with Full as the default
- D.Minimal, Standard and Extended, with Standard as the default
ETS6 Professional· ETS settings, licensing & troubleshooting· Medium
▸
Correct answer
A — Standard and Extended, with Standard as the default
Learning tip
Correct: Two logging levels are defined, Standard and Extended; by default the logging level is set to Standard.
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Q45
For the Standard log level, how many events (n) before the trigger event are recorded to the log file?
- A.1000
- B.500
- C.250
- D.5000
ETS6 Professional· ETS settings, licensing & troubleshooting· Medium
▸
Correct answer
B — 500
Learning tip
Correct: For the Standard log level, n = 500 (trigger event type = ERROR).
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Q46
In ETS6, where is the actual work within a project primarily carried out?
- A.In the panels (Project Design views)
- B.In the Dashboard start screen
- C.In the Settings dialog
- D.In the online KNX Help Center
ETS6 Professional· Project design panels· Medium
▸
Correct answer
A — In the panels (Project Design views)
Learning tip
Correct: The source says the actual work within an ETS project is primarily done in panels.
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Q47
What is the Buildings panel primarily used for?
- A.Generating and defining group addresses
- B.Defining the bus structure and assigning individual addresses
- C.Creating the building structure and placing devices at their physical location
- D.Searching and inserting KNX products
ETS6 Professional· Project design panels· Medium
▸
Correct answer
C — Creating the building structure and placing devices at their physical location
Learning tip
Correct: The Buildings panel creates building structures (Buildings, Functions, Trades) and lets you place devices into building elements.
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Q48
What is the Group Address panel used for?
- A.Creating the physical building structure
- B.Generating and defining group addresses
- C.Defining the bus structure and assigning individual addresses
- D.Producing project documentation and reports
ETS6 Professional· Project design panels· Medium
▸
Correct answer
B — Generating and defining group addresses
Learning tip
Correct: The source says the Group Address panel is used to generate and define group addresses.
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Q49
What is the Topology panel used for?
- A.To define the actual bus structure and assign individual addresses to devices
- B.To generate and define group addresses
- C.To create the physical building structure
- D.To produce the project's parts list
ETS6 Professional· Project design panels· Medium
▸
Correct answer
A — To define the actual bus structure and assign individual addresses to devices
Learning tip
Correct: The source says the Topology panel defines the actual bus structure and the assignment of individual addresses.
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Q50
How are devices shown in the Devices panel?
- A.All devices in one list without any categorization
- B.Grouped by building and room
- C.Grouped by line and area
- D.Grouped by manufacturer
ETS6 Professional· Project design panels· Medium
▸
Correct answer
A — All devices in one list without any categorization
Learning tip
Correct: The source says all devices are displayed in one list without any categorization.
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Q51
When creating a new project, which group address style is selected by default?
- A.Two Level
- B.Three Level
- C.Free
- D.Backbone
ETS6 Professional· Project creation, wizard & details· Easy
▸
Correct answer
B — Three Level
Learning tip
Correct: the Group Address Style setting defaults to Three Level in the New Project dialog.
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Q52
A device has been locked with the project's BCU Key during download, and the key is now lost. Who can reset it?
- A.The KNX Association, via a master key
- B.Any ETS6 Professional user with the project open
- C.Only the manufacturer
- D.The device resets itself automatically after 24 hours
ETS6 Professional· Project creation, wizard & details· Medium
▸
Correct answer
C — Only the manufacturer
Learning tip
Correct: only the manufacturer is able to reset the BCU key of a password-protected device once the key is lost or forgotten.
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Q53
Under what condition can a project password be disabled (cleared)?
- A.At any time, by clicking 'Clear Password'
- B.Only after the project has been exported
- C.Only by the KNX Association
- D.Only if there are no devices in secure mode and no device certificates
ETS6 Professional· Project creation, wizard & details· Medium
▸
Correct answer
D — Only if there are no devices in secure mode and no device certificates
Learning tip
Correct: disabling a project password is only possible when there are no devices in secure mode or device certificates.
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Q54
What does assigning a project password do?
- A.Locks the project (no open/edit without it) and encrypts the exported project so its data cannot be read
- B.Only greys out the Details tab, with no effect on export
- C.Encrypts the export but still lets anyone open the project locally
- D.Prevents the project from ever being deleted
ETS6 Professional· Project creation, wizard & details· Medium
▸
Correct answer
A — Locks the project (no open/edit without it) and encrypts the exported project so its data cannot be read
Learning tip
Correct: the password locks the project and encrypts it during export, so the exported data cannot be accessed (e.g. with a ZIP program).
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Q55
What is the maximum length of a project password, and which characters are allowed?
- A.Maximum 8 characters, letters and digits only
- B.Maximum 20 characters, any ASCII characters
- C.Maximum 16 characters, any ASCII characters
- D.Maximum 64 characters, any Unicode characters
ETS6 Professional· Project creation, wizard & details· Medium
▸
Correct answer
B — Maximum 20 characters, any ASCII characters
Learning tip
Correct: a project password can be at most 20 characters long and any ASCII characters can be used (and the entry is case-sensitive).
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