MQTT
Authored by Alexander Sattleder
Instructional Technology
9th - 12th Grade
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
was ist MQTT?
Ein Protokoll um Nachrichten im IoT auszutauschen
Eine Rockband
Eine Software zur Maschinensteuerung
Ein Home-Automation Produkt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie ist MQTT aufgebaut?
Peer 2 Peer
Client/Server
Mischform
Publish/Subscribe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welcher Begriff soll für die Teilnehmer im Kontext von MQTT NICHT verwendet werden?
Client
Server
Publisher
Subscriber
Broker
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wenn sich ein Teilnehmer an der zentralen Instanz anmeldet, bekommt er automatisch alle Nachrichten, die dort gespeichert sind, zugesendet
falsch
richtig
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ein Client muss zuerst ein Topic subscriben bevor er Nachrichten vom Broker erhält
Falsch
Richtig
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Welche der folgenden Nachrichten mit dem angegeben Topic erhält ein Client, der sich auf das Topic
HTL/Neufelden/2bi/#
subscribed?
Topic: HTL/Neufelden/3bi/LED
Message:
ON
Topic:
HTL/Neufelden/2bi/LED/DC
Message:
100
Topic:
HTL/Neufelden/2bi/led
Message:
ON
Topic:
HTL/Altenfelden/2bi/LED
Message:
OFF
Topic:
HTL/Neufelden/2BI/Led/DC
Message:
70
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Welche der folgenden Nachrichten mit dem angegeben Topic erhält ein Client, der sich auf das Topic
HTL/Neufelden/+/LED
subscribed?
Topic: HTL/Neufelden/3bi/LED
Message:
ON
Topic:
HTL/Neufelden/2bi/DC
Message:
90
Topic:
HTL/Neufelden/2BI/LED
Message:
ON
Topic:
HTL/Altenfelden/2bi/LED
Message:
OFF
Topic:
HTL/Neufelden/Lehrer/LED
Message:
OFF
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