KNX Basic exam questions — easy level

KNX Basic mock exam questions selected at easy level. Ideal for warming up before the exam or revisiting the fundamentals.

85 questions~ 77 minEasy

Easy level questions

Q01
What does the "backward compatibility" of KNX mean in practice?
- A.Even the earliest installations can still be expanded using the latest products (30+ years of compatibility)
- B.New devices only work with devices of the same generation
- C.Old ETS projects must be rebuilt from scratch in a new ETS
- D.KNX devices must be replaced every few years
KNX System Arguments· KNX advantages & ETS editions· Easy
▸
Correct answer
A — Even the earliest installations can still be expanded using the latest products (30+ years of compatibility)
Learning tip
Correct: the earliest installations can still be expanded with the latest products.
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Q02
In which year was the KNX Association established, and what was it initially called?
- A.1990 — initially the "EIB Association" (EIBA)
- B.1999 — initially the "Konnex Association"
- C.2006 — initially "Batibus International"
- D.1985 — initially the "EHS Association"
KNX System Arguments· KNX history & standardization· Easy
▸
Correct answer
A — 1990 — initially the "EIB Association" (EIBA)
Learning tip
Correct: founded in 1990 in Brussels as the EIB Association (EIBA).
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Q03
In which year was it decided to promote a single system "KNX", with the association renamed "KNX Association"?
- A.1999
- B.2003
- C.2006
- D.2013
KNX System Arguments· KNX history & standardization· Easy
▸
Correct answer
C — 2006
Learning tip
Correct: 2006 — single KNX system adopted and association renamed.
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Q04
Twisted Pair (TP) is the most widely used KNX medium.
TrueFalse
KNX System Arguments· KNX media & configuration modes· Easy
Correct answer
True
Learning tip
Correct — TP is the most widely used medium; the control cable runs parallel to the 230 V cable.
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Q05
When two different media are connected (e.g. TP and RF), a media coupler must be used.
TrueFalse
KNX System Arguments· KNX media & configuration modes· Easy
Correct answer
True
Learning tip
Correct — media couplers are used to connect different media.
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Q06
What is required to become a KNX Partner?
- A.Purchase an ETS Professional licence
- B.Register a company on the KNX website
- C.Attend any online webinar
- D.Complete a full KNX Basic course (or Condensed Practical Basic course) at a certified centre and pass both the theoretical and practical exams
KNX System Arguments· KNX partnership & commercial· Easy
▸
Correct answer
D — Complete a full KNX Basic course (or Condensed Practical Basic course) at a certified centre and pass both the theoretical and practical exams
Learning tip
Correct: full Basic (or Condensed Practical Basic) course + both exams.
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Q07
In KNX there are two types of addressing: individual addressing and group addressing.
TrueFalse
System Overview· Individual & group addresses· Easy
Correct answer
True
Learning tip
The source opens the Addressing chapter by stating there are two types: individual addressing and group addressing.
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Q08
An individual address shall be unique within a KNX installation.
TrueFalse
System Overview· Individual & group addresses· Easy
Correct answer
True
Learning tip
The source states an individual address shall be unique within a KNX installation.
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Q09
Normal communication between devices in a KNX installation is carried out via group addresses.
TrueFalse
System Overview· Individual & group addresses· Easy
Correct answer
True
Learning tip
The source states normal communication between devices is carried out via group addresses.
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Q10
Which group address representation is the default in ETS?
- A.The 2-level structure
- B.The free structure
- C.There is no default; one must always choose manually
- D.The 3-level structure
System Overview· Individual & group addresses· Easy
▸
Correct answer
D — The 3-level structure
Learning tip
Correct: The default level structure in ETS is the 3-level structure.
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Q11
In the ETS configuration steps, group addresses are assigned in order to logically connect sensors and actuators and thereby realise the desired functions.
TrueFalse
System Overview· Configuration modes & group objects· Easy
Correct answer
True
Learning tip
The source lists 'assigning group addresses in order to logically connect sensors and actuators and by doing so realize the desired functions' as an ETS configuration step.
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Q12
What is the output voltage of the KNX power supply unit in a minimal TP installation?
- A.24 V DC
- B.230 V AC
- C.12 V DC
- D.30 V DC
System Overview· Definition & minimal TP installation· Easy
▸
Correct answer
D — 30 V DC
Learning tip
Correct: The KNX power supply unit outputs 30 V DC onto the TP bus.
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Q13
How many wires of the KNX bus cable are required to transmit telegrams and (in most cases) power the bus device?
- A.Two
- B.Four
- C.One
- D.Three
System Overview· Definition & minimal TP installation· Easy
▸
Correct answer
A — Two
Learning tip
Correct: Only two wires are required for telegram transmission and, in most cases, for supplying the device.
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Q14
What does the TP power supply unit constantly deliver?
- A.30 V DC
- B.24 V DC
- C.30 V AC
- D.12 V DC
System Overview· Power supply & cable lengths· Easy
▸
Correct answer
A — 30 V DC
Learning tip
Correct: The power supply delivers constantly 30 V DC.
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Q15
The individual address serves to clearly identify a bus device and describes its location within the topology.
TrueFalse
KNX Topology· Individual address structure in the topology· Easy
Correct answer
True
Learning tip
Correct. The individual address serves to clearly identify the bus device and describes its location within the topology.
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Q16
The individual address is structured in the order Line.Area.Device (for example 1.1.5).
TrueFalse
KNX Topology· Individual address structure in the topology· Easy
Correct answer
False
Learning tip
False. The individual address is structured Area.Line.Device (A.L.B), e.g. 1.1.5 = area 1, line 1, device 5 - not Line.Area.Device.
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Q17
In the individual address, the area field A can address the areas 1 to 16.
TrueFalse
KNX Topology· Individual address structure in the topology· Easy
Correct answer
False
Learning tip
False. A = 1...15 addresses the areas 1 to 15 (at most 15 areas). A = 0 addresses the bus devices on the backbone line.
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Q18
The device field B can address bus devices numbered 1 to 256 on a line.
TrueFalse
KNX Topology· Individual address structure in the topology· Easy
Correct answer
False
Learning tip
False. B = 1...255 addresses the bus devices on a line; the maximum device number is 255, not 256. B = 0 addresses the line coupler.
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Q19
The individual address of an unloaded bus device is 15.15.254.
TrueFalse
KNX Topology· Individual address structure in the topology· Easy
Correct answer
False
Learning tip
False. The individual address of an unloaded bus device is 15.15.255 (the maximum address). New devices are typically delivered ex-factory with 15.15.255.
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Q20
Which coupler role(s) can a KNXnet/IP router take on in a KNX installation?
- A.Only a line repeater inside a single line
- B.Only a backbone coupler
- C.Both a line coupler and a backbone coupler
- D.Only a line coupler
KNX Topology· KNXnet/IP routers & segment coupler· Easy
▸
Correct answer
C — Both a line coupler and a backbone coupler
Learning tip
Correct: the source states the KNXnet/IP router can be used as a line coupler as well as a backbone coupler.
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Q21
From which ETS version was the concept of segment couplers introduced?
- A.ETS4
- B.ETS5
- C.ETS6
- D.ETS3
KNX Topology· KNXnet/IP routers & segment coupler· Easy
▸
Correct answer
C — ETS6
Learning tip
Correct: the concept of segment couplers was introduced in ETS6.
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Q22
What characterises an internal line telegram?
- A.It is always forwarded onto the main line by the line coupler.
- B.It is a telegram sent with routing counter 7 by a service device.
- C.Sender and destination devices are on the same line, so the telegram is not routed to another line.
- D.It travels via the backbone line to reach devices in other areas.
KNX Topology· Telegram routing & routing counter· Easy
▸
Correct answer
C — Sender and destination devices are on the same line, so the telegram is not routed to another line.
Learning tip
Correct: For an internal line telegram both devices belong to the same line, so the line coupler has no reason to forward it.
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Q23
What is the initial value of the routing counter in a telegram sent by a normal bus device?
- A.5
- B.7
- C.6
- D.0
KNX Topology· Telegram routing & routing counter· Easy
▸
Correct answer
C — 6
Learning tip
Correct: A telegram starts with a routing counter of 6.
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Q24
In a modern (post-2019, TP-256) installation, what is the maximum number of bus devices that can be mounted in one line segment?
- A.256
- B.64
- C.255
- D.16
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
A — 256
Learning tip
Correct: the Line segment section states a maximum of 256 devices per line segment.
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Q25
In installations planned and commissioned up to and including 2018, how many TP devices could be mounted in one line segment?
- A.256
- B.64
- C.255
- D.4
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
B — 64
Learning tip
Correct: up to 2018 only 64 TP devices could be mounted in one line segment.
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Q26
What is the smallest unit in the KNX TP topology?
- A.The line
- B.The single bus device
- C.The line segment
- D.The area
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
C — The line segment
Learning tip
Correct: the source states the smallest unit in the TP topology is the line segment.
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Q27
At most how many line segments can form a single line?
- A.4
- B.3
- C.15
- D.256
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
A — 4
Learning tip
Correct: up to 4 line segments form a line.
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Q28
What is the maximum number of line repeaters that may be used to extend one line?
- A.15
- B.3
- C.4
- D.16
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
B — 3
Learning tip
Correct: a maximum of 3 line repeaters may be used to extend a line.
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Q29
How many lines can be connected to a main line via line couplers within one area?
- A.16
- B.255
- C.15
- D.4
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
C — 15
Learning tip
Correct: up to 15 lines can be connected to a main line via line couplers to form an area.
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Q30
How many areas can be connected to the backbone line via backbone couplers?
- A.61
- B.16
- C.15
- D.255
KNX Topology· Line segment, line, area & network structure· Easy
▸
Correct answer
C — 15
Learning tip
Correct: up to 15 areas (BC 1 to BC 15) can be connected to the backbone line.
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Q31
The maximum total cable length of a line segment using certified KNX TP cable is 1000 m.
TrueFalse
KNX Installation· Bus cable types, installation & distribution boards· Easy
Correct answer
True
Learning tip
Only the standardized green KNX TP cable guarantees reliable transmission over the total cable length of the line segment, up to a maximum of 1000 m.
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Q32
What is the maximum number of bus devices per line guaranteed by the certified KNX TP cable?
- A.256 devices
- B.128 devices
- C.64 devices
- D.1000 devices
KNX Installation· Bus cable types, installation & distribution boards· Easy
▸
Correct answer
A — 256 devices
Learning tip
Correct: The standardized cable guarantees a maximum of 256 bus devices per line.
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Q33
In the used wire pair of the KNX bus cable, red is plus and black is minus.
TrueFalse
KNX Installation· Bus cable types, installation & distribution boards· Easy
Correct answer
True
Learning tip
The text states the used wire pair is red for plus and black for minus.
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Q34
A terminating resistor is not required in a KNX TP installation.
TrueFalse
KNX Installation· Bus cable types, installation & distribution boards· Easy
Correct answer
True
Learning tip
The documentation states plainly that a terminating resistor is not required.
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Q35
In a KNX TP installation, the maximum permitted length of a single line segment is 1000 m.
TrueFalse
KNX Installation· Checking the installation· Easy
Correct answer
True
Learning tip
Correct. The physical limits of a KNX TP installation set the maximum length of a line segment at 1000 m.
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Q36
During the installation check, how should the ends of the bus cables be marked?
- A.'KNX TP' or 'BUS'
- B.With '230 V' to warn of the operating voltage
- C.No marking is required at the cable ends
- D.With the manufacturer's serial number only
KNX Installation· Checking the installation· Easy
▸
Correct answer
A — 'KNX TP' or 'BUS'
Learning tip
Correct: Bus cable ends should be clearly identified as KNX TP by marking them 'KNX TP' or 'BUS'.
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Q37
Which statement about connecting the bus cables of different lines is correct?
- A.Bus cables from different lines may be connected at the line coupler.
- B.Bus cables from different lines may never be connected together.
- C.Bus cables from different lines may be connected if the total length stays under 1000 m.
- D.Bus cables from different lines must be connected to form a single segment.
KNX Installation· Checking the installation· Easy
▸
Correct answer
B — Bus cables from different lines may never be connected together.
Learning tip
Correct: Bus cables from different lines may never be connected together; the check looks for such inadmissible connections.
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Q38
The insulation resistance of the bus cable shall be at least 500 kΩ.
TrueFalse
KNX Installation· Checking the installation· Easy
Correct answer
True
Learning tip
Correct. The insulation resistance of the bus cable shall be at least 500 kΩ.
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Q39
How should flush-mounted bus devices be fixed in the wall box?
- A.By clamp mounting, which is the normal method for bus devices.
- B.Screw or clamp mounting; either works equally well.
- C.By gluing the device into any available box.
- D.In wall boxes suitable for screw mounting; clamp mounting is usually not possible.
KNX Installation· Wall boxes, flush-mounted devices & TP bus connector· Easy
▸
Correct answer
D — In wall boxes suitable for screw mounting; clamp mounting is usually not possible.
Learning tip
Correct: only wall boxes suitable for screw mounting may be used.
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Q40
Where may a KNX bus cable legitimately end?
- A.Only inside the power supply unit.
- B.Anywhere convenient, as bare stripped cores.
- C.Only at a bus device or at a bus connector.
- D.At any 230 V mains terminal block.
KNX Installation· Wall boxes, flush-mounted devices & TP bus connector· Easy
▸
Correct answer
C — Only at a bus device or at a bus connector.
Learning tip
Correct: the bus cable shall only end either at the device itself or at a bus connector.
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Q41
For which task is the standardized TP bus connector used?
- A.Branching or extending the bus cable and connecting/protecting its ends.
- B.Coupling two lines together (line-coupler function).
- C.Discharging surges to earth (overvoltage protection).
- D.Supplying the 30 V DC bus power.
KNX Installation· Wall boxes, flush-mounted devices & TP bus connector· Easy
▸
Correct answer
A — Branching or extending the bus cable and connecting/protecting its ends.
Learning tip
Correct: the connector is used for branching, extending, protecting the bus cable ends and connecting the cable to bus devices.
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Q42
What nominal system voltage does a KNX TP power supply unit produce and monitor?
- A.30 V DC
- B.30 V AC
- C.230 V AC
- D.21 V DC
KNX Installation· Power supply units, two-line & distributed supply· Easy
▸
Correct answer
A — 30 V DC
Learning tip
Correct: The PSU produces and monitors the 30 V DC system voltage needed for a KNX TP installation.
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Q43
What is the minimum voltage a KNX TP bus device needs for safe operation?
- A.12 V DC
- B.21 V DC
- C.30 V DC
- D.24 V DC
KNX Installation· Power supply units, two-line & distributed supply· Easy
▸
Correct answer
B — 21 V DC
Learning tip
Correct: Bus devices require a minimum of 21 V DC for safe operation.
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Q44
How is a KNX TP line supplied with bus voltage?
- A.One PSU in the installation supplies every line through the couplers
- B.Bus devices are powered directly from the 230 V mains
- C.No PSU is needed if fewer than 21 devices are used
- D.Each line needs its own power supply unit
KNX Installation· Power supply units, two-line & distributed supply· Easy
▸
Correct answer
D — Each line needs its own power supply unit
Learning tip
Correct: The source states each line needs its own PSU to supply its bus devices.
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Q45
What is the maximum number of centralized power supply units allowed in one line?
- A.One
- B.Two
- C.Three
- D.Unlimited, as long as spacing is kept
KNX Installation· Power supply units, two-line & distributed supply· Easy
▸
Correct answer
B — Two
Learning tip
Correct: It is not allowed to have more than two centralized PSUs in one line.
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Q46
Which voltage is used for the KNX TP bus?
- A.30 V DC
- B.24 V DC
- C.30 V AC
- D.230 V AC
KNX Installation· SELV networks & insulation· Easy
▸
Correct answer
A — 30 V DC
Learning tip
Correct: The documentation states the voltage used for the KNX TP bus is 30 V DC.
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Q47
What does the abbreviation SELV mean, and what is its key property?
- A.Standard Electrical Low Voltage: a circuit that must be bonded to protective earth
- B.Safety Extra Low Voltage: a low-voltage circuit electrically separated from higher voltages and isolated from earth
- C.Secure Ethernet Line Voltage: a data-only supply
- D.Single Ended Low Voltage: a voltage referenced to one mains phase
KNX Installation· SELV networks & insulation· Easy
▸
Correct answer
B — Safety Extra Low Voltage: a low-voltage circuit electrically separated from higher voltages and isolated from earth
Learning tip
Correct: This matches the definition given for SELV.
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Q48
May a cable intended for mains installation be used to wire the KNX TP network?
- A.Yes, any cable rated for 230 V is suitable for the bus
- B.No, cables intended for mains networks may not be used for TP networks
- C.Yes, provided the cable is green
- D.Yes, but only in dry rooms
KNX Installation· SELV networks & insulation· Easy
▸
Correct answer
B — No, cables intended for mains networks may not be used for TP networks
Learning tip
Correct: The documentation prohibits reusing mains cable for TP installation.
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Q49
A functioning KNX bus device principally consists of three interconnecting parts: a bus coupling unit (BCU), an application module (AM) and an application program (AP).
TrueFalse
KNX Bus Devices· Bus device components & function· Easy
Correct answer
True
Learning tip
The source states a functioning bus device principally consists of these three interconnecting parts.
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Q50
Depending on their main function, bus devices are basically divided into just two classes: sensors and actuators.
TrueFalse
KNX Bus Devices· Bus device components & function· Easy
Correct answer
False
Learning tip
The text lists three classes: sensors, actuators and controllers, not two.
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Q51
In this KNX chapter, what does the abbreviation 'PEI' stand for?
- A.Programmable Electronic Interface
- B.Physical External Interface
- C.Peripheral Equipment Input
- D.Power Extension Interface
KNX Bus Devices· Bus device components & function· Easy
▸
Correct answer
B — Physical External Interface
Learning tip
Correct: The chapter's abbreviation list defines PEI as Physical External Interface.
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Q52
In start/stop dimming, operating the rocker longer than the parameterized time transmits a 'start dimming' telegram.
TrueFalse
KNX Bus Devices· Classical application functions: dimming· Easy
Correct answer
True
Learning tip
True. A press longer than the parameterized time is interpreted as the beginning of a dimming action ('start dimming').
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Q53
In the KNX dimming application, what is the counterpart to the dimming sensor (push button) function?
- A.The dimming actuator.
- B.The line coupler.
- C.The bus power supply.
- D.A second push button.
KNX Bus Devices· Classical application functions: dimming· Easy
▸
Correct answer
A — The dimming actuator.
Learning tip
Correct: the dimming actuator is the receiving counterpart that controls the lamp/ballast.
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Q54
Blind and shutter control, like dimming, distinguishes between a brief and a long operation of the rocker.
TrueFalse
KNX Bus Devices· Drive control (shutter/blinds)· Easy
Correct answer
True
Learning tip
True. The course states the blind/shutter operation functions similarly to dimming, distinguishing a brief from a long rocker operation.
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Q55
The mask version stored in a KNX device consists of 4 bytes.
TrueFalse
KNX Bus Devices· Data stored in a device & system profiles· Easy
Correct answer
False
Learning tip
The mask version consists of 2 bytes, not 4.
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Q56
What is the maximum number of group objects for a System 1 device?
- A.254
- B.65536
- C.65535
- D.12
KNX Bus Devices· Data stored in a device & system profiles· Easy
▸
Correct answer
D — 12
Learning tip
Correct: System 1 supports a maximum of 12 group objects.
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Q57
KNX RF allows the wireless transmission of telegrams by means of the medium Radio Frequency, so a separate bus cable is not required.
TrueFalse
KNX RF (Radio)· RF transmission medium· Easy
Correct answer
True
Learning tip
The source defines KNX RF as wireless telegram transmission via radio frequency, removing the need for a dedicated bus cable.
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Q58
KNX RF is especially interesting when an existing TP installation has to be extended and no additional cables can be installed due to building regulations or aesthetic reasons.
TrueFalse
KNX RF (Radio)· RF transmission medium· Easy
Correct answer
True
Learning tip
The source names this as the key use case: extending a TP installation where new cables cannot be laid (e.g. museums, public buildings).
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Q59
The free-field range of KNX RF is limited to approximately 100 m.
TrueFalse
KNX RF (Radio)· RF transmission medium· Easy
Correct answer
True
Learning tip
The source gives the free-field range as limited to approximately 100 m.
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Q60
KNX RF uses the 868 MHz frequency band.
TrueFalse
KNX RF (Radio)· RF transmission medium· Easy
Correct answer
True
Learning tip
The source states that KNX RF uses the 868 MHz frequency band.
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Q61
What must be ensured for mains-operated KNX radio devices?
- A.That the mains voltage is available at the selected mounting site
- B.That a twisted-pair bus cable reaches the device
- C.That the device is within 10 m of the receiver
- D.That the device is battery-free
KNX RF (Radio)· RF transmission medium· Easy
▸
Correct answer
A — That the mains voltage is available at the selected mounting site
Learning tip
Correct: the source requires mains voltage to be present at the chosen mounting site for mains-operated RF devices.
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Q62
In the KNX RF system, 868.30 MHz is used as the middle (centre) frequency.
TrueFalse
KNX RF (Radio)· KNX Ready, RF-Multi, bus access & telegram structure· Easy
Correct answer
True
Learning tip
The source states that 868.30 MHz is used as the middle frequency, around which the '0'/'1' states are formed by a slight frequency deviation.
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Q63
What is the maximum transmission power in the KNX RF (single-channel) system?
- A.25 W
- B.250 mW
- C.25 mW
- D.2.5 mW
KNX RF (Radio)· KNX Ready, RF-Multi, bus access & telegram structure· Easy
▸
Correct answer
C — 25 mW
Learning tip
Correct: the source states a maximum transmission power of 25 mW.
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Q64
What distinguishes KNX RF-Multi from KNX Ready?
- A.RF-Multi is single-channel while KNX Ready is multi-channel
- B.RF-Multi transmits over several fast and slow channels, while KNX Ready uses only a single channel
- C.RF-Multi removes the duty-cycle limit entirely
- D.RF-Multi uses a completely different frequency band from KNX Ready
KNX RF (Radio)· KNX Ready, RF-Multi, bus access & telegram structure· Easy
▸
Correct answer
B — RF-Multi transmits over several fast and slow channels, while KNX Ready uses only a single channel
Learning tip
Correct: KNX Ready is single-channel; RF-Multi spreads transmission over several fast and slow channels for better coexistence.
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Q65
From which ETS version are KNX RF Multi S-Mode devices supported?
- A.ETS6
- B.ETS3
- C.ETS4
- D.ETS5
KNX RF (Radio)· KNX Ready, RF-Multi, bus access & telegram structure· Easy
▸
Correct answer
A — ETS6
Learning tip
Correct: the source states RF Multi S-Mode devices are supported from ETS6 onwards.
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Q66
Which transmission media can be combined within a single KNX system?
- A.Only TP and powerline.
- B.Only RF and IP.
- C.Twisted Pair (TP), Radio Frequency (RF) and IP.
- D.Only a single medium may be used per system.
KNX RF (Radio)· RF topology & combination of media· Easy
▸
Correct answer
C — Twisted Pair (TP), Radio Frequency (RF) and IP.
Learning tip
Correct: KNX allows TP, RF and IP to be combined within one system.
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Q67
What is the function of a media coupler in a KNX installation?
- A.It converts 230 V mains into the bus voltage for RF devices.
- B.It stores telegrams and replays them after a fixed delay.
- C.It automatically assigns individual addresses to all RF devices.
- D.It transfers information and commands between devices on different transmission media (e.g. RF and TP).
KNX RF (Radio)· RF topology & combination of media· Easy
▸
Correct answer
D — It transfers information and commands between devices on different transmission media (e.g. RF and TP).
Learning tip
Correct: the media coupler passes telegrams from devices on one medium to devices on another.
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Q68
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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Q69
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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Q70
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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Q71
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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Q72
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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Q73
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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Q74
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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Q75
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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Q76
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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Q77
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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Q78
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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Q79
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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Q80
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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Q81
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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Q82
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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Q83
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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Q84
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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Q85
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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