KNX System Arguments KNX Basic: exam questions with worked answers

Questions for the "KNX System Arguments" topic

1. Q01

   ETS is available in four versions. Which statement is correct?

   • A.ETS Lite allows an unlimited number of devices
   • B.ETS Professional is limited to 20 products
   • C.ETS Home allows one project with a maximum of 64 KNX devices
   • D.ETS Home allows an unlimited number of projects

   1. KNX System Arguments· advantages-and-ets· Medium

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   Correct answer

   C — ETS Home allows one project with a maximum of 64 KNX devices

   Learning tip

   Correct: ETS Home = 1 project, max 64 devices.

   Source: KNX Basic Course Documentation — 6.2 — p. 16

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2. Q02

   ETS Lite is limited to projects with how many products, and is primarily intended for whom?

   • A.Up to 64 products — for homeowners
   • B.Unlimited products — for professional integrators
   • C.Up to 100 products — for manufacturers
   • D.Up to 20 products — primarily for certified training centres

   1. KNX System Arguments· advantages-and-ets· Medium

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   Correct answer

   D — Up to 20 products — primarily for certified training centres

   Learning tip

   Correct: up to 20 products, mainly for certified training centres.

   Source: KNX Basic Course Documentation — 6.2 — p. 17

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3. Q03

   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

   1. KNX System Arguments· advantages-and-ets· Easy

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   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.

   Source: KNX Basic Course Documentation — 6.4 — p. 17

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4. Q04

   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"

   1. KNX System Arguments· history-and-standardization· Easy

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   Correct answer

   A — 1990 — initially the "EIB Association" (EIBA)

   Learning tip

   Correct: founded in 1990 in Brussels as the EIB Association (EIBA).

   Source: KNX Basic Course Documentation — 1 — p. 7

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5. Q05

   In 1999 the EIBA merged with two other European associations. Which ones?

   • A.CENELEC (Belgium) and CEN (France)
   • B.BCI (France, Batibus) and the European Home Systems Association / EHSA (Netherlands, EHS)
   • C.LonMark (USA) and BACnet (Germany)
   • D.DALI (Germany) and Batibus (Netherlands)

   1. KNX System Arguments· history-and-standardization· Medium

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   Correct answer

   B — BCI (France, Batibus) and the European Home Systems Association / EHSA (Netherlands, EHS)

   Learning tip

   Correct: BCI (France, Batibus) and EHSA (Netherlands, EHS).

   Source: KNX Basic Course Documentation — 2 — p. 7

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6. Q06

   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

   1. KNX System Arguments· history-and-standardization· Easy

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   Correct answer

   C — 2006

   Learning tip

   Correct: 2006 — single KNX system adopted and association renamed.

   Source: KNX Basic Course Documentation — 1 — p. 7

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7. Q07

   The KNX Association started with how many members, and roughly how many does it have today?

   • A.Started with 3 members, now over 100
   • B.Started with 15 members, now over 1000
   • C.Started with 50 members, now over 5000
   • D.Started with 9 members, now over 500

   1. KNX System Arguments· history-and-standardization· Medium

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   Correct answer

   D — Started with 9 members, now over 500

   Learning tip

   Correct: started with 9 members, now over 500.

   Source: KNX Basic Course Documentation — 2 — p. 8

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8. Q08

   Which statement about S-Mode (System Mode) is correct?

   • A.It is configured without a PC using push buttons
   • B.It is limited to small installations only
   • C.It requires a different software tool for each manufacturer
   • D.It uses the manufacturer-independent ETS software on a PC and suits installations of any size

   1. KNX System Arguments· media-and-configuration· Medium

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   Correct answer

   D — It uses the manufacturer-independent ETS software on a PC and suits installations of any size

   Learning tip

   Correct: ETS on a PC, manufacturer-independent, any installation size.

   Source: KNX Basic Course Documentation — 4.3 — p. 13

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9. Q09

   KNX interworking (devices from different manufacturers cooperating) relies on standardisation of which elements?

   • A.The telegrams and the useful data within them (data formats for switching, dimming, shutter, HVAC)
   • B.The cable colours and connector shapes
   • C.The power supply voltage and choke design
   • D.The brand of ETS licence used

   1. KNX System Arguments· media-and-configuration· Medium

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   Correct answer

   A — The telegrams and the useful data within them (data formats for switching, dimming, shutter, HVAC)

   Learning tip

   Correct: standardised telegrams and standardised useful-data formats.

   Source: KNX Basic Course Documentation — 4.4 — p. 14

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10. Q10

    KNX Secure provides two mechanisms. Which pair is correct?

    • A.KNX RF Secure and KNX TP Secure
    • B.KNX IP Secure (secure access via IP) and KNX Data Secure (secure communication between devices)
    • C.KNX Firewall and KNX VPN
    • D.KNX Password and KNX Token

    1. KNX System Arguments· media-and-configuration· Medium

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    Correct answer

    B — KNX IP Secure (secure access via IP) and KNX Data Secure (secure communication between devices)

    Learning tip

    Correct: KNX IP Secure (secure IP access) and KNX Data Secure (device-to-device).

    Source: KNX Basic Course Documentation — 4.5 — p. 15

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11. Q11

    Twisted Pair (TP) is the most widely used KNX medium.

    TrueFalse

    1. KNX System Arguments· media-and-configuration· Easy

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    Correct answer

    True

    Learning tip

    Correct — TP is the most widely used medium; the control cable runs parallel to the 230 V cable.

    Source: KNX Basic Course Documentation — 3 — p. 10

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12. Q12

    A KNX installation requires a central control unit (such as a PC) to coordinate the bus devices.

    TrueFalse

    1. KNX System Arguments· media-and-configuration· Medium

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    Correct answer

    False

    Learning tip

    False — every KNX bus device has its own microcontroller, so no central control unit is needed.

    Source: KNX Basic Course Documentation — 3 — p. 10

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13. Q13

    When two different media are connected (e.g. TP and RF), a media coupler must be used.

    TrueFalse

    1. KNX System Arguments· media-and-configuration· Easy

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    Correct answer

    True

    Learning tip

    Correct — media couplers are used to connect different media.

    Source: KNX Basic Course Documentation — 4.1 — p. 11

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14. Q14

    The IP medium is the preferred choice when no cables can be installed.

    TrueFalse

    1. KNX System Arguments· media-and-configuration· Medium

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    Correct answer

    False

    Learning tip

    False — that is RF. IP is preferred for a fast backbone in large installations and for communication with mobile devices.

    Source: KNX Basic Course Documentation — 4.2 — p. 11

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15. Q15

    In E-Mode, the application program is pre-installed in the device and configuration is done without a PC.

    TrueFalse

    1. KNX System Arguments· media-and-configuration· Medium

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    Correct answer

    True

    Learning tip

    Correct — E-Mode uses a central controller / push buttons, no PC, and the app program is pre-installed.

    Source: KNX Basic Course Documentation — 4.3 — p. 13

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16. Q16

    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

    1. KNX System Arguments· partnership-and-commercial· Easy

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    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.

    Source: KNX Basic Course Documentation — 9 — p. 23

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17. Q17

    Which licence do students receive upon acceptance into a Basic course at a certified KNX training centre?

    • A.A time-limited, cloud-based ETS6 Lite licence
    • B.A permanent ETS6 Professional licence
    • C.An ETS Home licence
    • D.No licence until they pass the exam

    1. KNX System Arguments· partnership-and-commercial· Medium

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    Correct answer

    A — A time-limited, cloud-based ETS6 Lite licence

    Learning tip

    Correct: a time-limited, cloud-based ETS6 Lite licence.

    Source: KNX Basic Course Documentation — 9.2 — p. 23

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