Internet Of Things _Iot — Part 2 MCQs with Explanations
Practice high-yield Computer Science & IT MCQs on Internet Of Things _Iot — Part 2 with worked academic solutions for PPSC, FPSC, CSS, PMS, NTS.
Questions
40
Difficulty Level
Exam-Level
Target Exams
PPSC, FPSC, CSS...
Estimated Time
48 mins
Exam-Level PPSC FPSC CSS PMS NTS
Verified for Commission Syllabus • Oct 14, 2026
40
Verified Practice Questions
Interactive test mode with detailed academic worked solutions
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🎉 Set complete! All 40 questions answered.
Question 1 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . . and . . . . . . . . saves the publish and subscribe keys that we have generated with the PubNub Admin portal.
Correct Answer: Option A — public_key and subscribe_key
Detailed Academic Explanation:
public_key and subscribe_key is the correct answer to “. . . . . . . . and . . . . . . . . saves the publish and subscribe keys that we have generated with the PubNub Admin portal.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 2 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which category is used for business to consumer process?
Correct Answer: Option D — industrial iot
Detailed Academic Explanation:
industrial iot is the correct answer to “Which category is used for business to consumer process”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 3 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
SLA stands for
Correct Answer: Option A — service level agreement
Detailed Academic Explanation:
service level agreement is the correct answer to “SLA stands for”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 4 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
IEEE standards for Institute of Electrical and Electronics Engineers.
Correct Answer: Option A — TRUE
Detailed Academic Explanation:
TRUE is the correct answer to “IEEE standards for Institute of Electrical and Electronics Engineers.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 5 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . . method saves the received arguments in three attributes.
Correct Answer: Option C — __init__
Detailed Academic Explanation:
__init__ is the correct answer to “. . . . . . . . method saves the received arguments in three attributes.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 6 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
How many analog pins are used in Arduino Mega board?
Correct Answer: Option A — 16
Detailed Academic Explanation:
16 is the correct answer to “How many analog pins are used in Arduino Mega board”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 7 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which protocol interacts asynchronously over UDP?
Correct Answer: Option B — coap
Detailed Academic Explanation:
coap is the correct answer to “Which protocol interacts asynchronously over UDP”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 8 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which challenge comes when we use many devices on the same network?
Correct Answer: Option D — power consumption
Detailed Academic Explanation:
power consumption is the correct answer to “Which challenge comes when we use many devices on the same network”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 9 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . .enables seamless integration of LoWPAN devices with internet leveraging.
Correct Answer: Option A — ietf 6lowpan
Detailed Academic Explanation:
ietf 6lowpan is the correct answer to “. . . . . . . .enables seamless integration of LoWPAN devices with internet leveraging.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 10 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In . . . . . . . . an object of type Thread in the namespace System.Threading represents and controls one thread.
Correct Answer: Option C — .net
Detailed Academic Explanation:
.net is the correct answer to “In . . . . . . . . an object of type Thread in the namespace System.Threading represents and controls one thread.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 11 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
dweet.io is similar as
Correct Answer: Option D — twitter
Detailed Academic Explanation:
twitter is the correct answer to “dweet.io is similar as”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 12 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
MAC addresses are very useful in diagnosing network issues.
Correct Answer: Option A — TRUE
Detailed Academic Explanation:
TRUE is the correct answer to “MAC addresses are very useful in diagnosing network issues.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 13 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The anthropomorphic device may aim its gaze at the source of
Correct Answer: Option C — social cue
Detailed Academic Explanation:
social cue is the correct answer to “The anthropomorphic device may aim its gaze at the source of”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 14 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Gateway software should be smart enough to handle . . . . . . . .
Correct Answer: Option C — logging
Detailed Academic Explanation:
logging is the correct answer to “Gateway software should be smart enough to handle . . . . . . . .”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 15 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Communication between . . . . . . . . and . . . . . . . . is encrypted for security.
Correct Answer: Option B — end user and data center
Detailed Academic Explanation:
end user and data center is the correct answer to “Communication between . . . . . . . . and . . . . . . . . is encrypted for security.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 16 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which command displays messages published to a topic?
Correct Answer: Option C — rostopic echo
Detailed Academic Explanation:
rostopic echo is the correct answer to “Which command displays messages published to a topic”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 17 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Drawback of Factory Bootstrap?
Correct Answer: Option A — it should not have many gateways
Detailed Academic Explanation:
it should not have many gateways is the correct answer to “Drawback of Factory Bootstrap”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 18 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
CoAP messages are short.
Correct Answer: Option A — TRUE
Detailed Academic Explanation:
TRUE is the correct answer to “CoAP messages are short.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 19 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Function of huge light bulb?
Correct Answer: Option C — to reduce energy and to create lighting scenes based on your favourite photos and to control lightning
Detailed Academic Explanation:
to reduce energy and to create lighting scenes based on your favourite photos and to control lightning is the correct answer to “Function of huge light bulb”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 20 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which is the core wrapper of GSN?
Correct Answer: Option D — ZeroMQWrapper
Detailed Academic Explanation:
ZeroMQWrapper is the correct answer to “Which is the core wrapper of GSN”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 21 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which devices measures gases or liquid?
Correct Answer: Option B — pressure sensor
Detailed Academic Explanation:
pressure sensor is the correct answer to “Which devices measures gases or liquid”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 22 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Number of methods in CoAP?
Correct Answer: Option C — 4
Detailed Academic Explanation:
4 is the correct answer to “Number of methods in CoAP”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 23 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The anthropomorphic device may transmit the media device command to
Correct Answer: Option B — media device
Detailed Academic Explanation:
media device is the correct answer to “The anthropomorphic device may transmit the media device command to”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 24 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Dictionary here define what?
Correct Answer: Option A — key-valuepairs
Detailed Academic Explanation:
key-valuepairs is the correct answer to “Dictionary here define what”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 25 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Number of pins in 8051 microcontroller with . . . . . . . . package.
Correct Answer: Option C — 40 pin withdip
Detailed Academic Explanation:
40 pin withdip is the correct answer to “Number of pins in 8051 microcontroller with . . . . . . . . package.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 26 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . . is a community that is working together to establish an IoT architecture.
Correct Answer: Option A — eclipse iot
Detailed Academic Explanation:
eclipse iot is the correct answer to “. . . . . . . . is a community that is working together to establish an IoT architecture.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 27 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Supplementary platforms in the architecture provide support for these services.
Correct Answer: Option A — TRUE
Detailed Academic Explanation:
TRUE is the correct answer to “Supplementary platforms in the architecture provide support for these services.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 28 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
A sensor uses which network?
Correct Answer: Option D — lan, pan and han
Detailed Academic Explanation:
lan, pan and han is the correct answer to “A sensor uses which network”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 29 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
With physical security, the stakes are incredibly
Correct Answer: Option D — high
Detailed Academic Explanation:
high is the correct answer to “With physical security, the stakes are incredibly”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 30 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
How many types of arduinos do we have?
Correct Answer: Option C — 8
Detailed Academic Explanation:
8 is the correct answer to “How many types of arduinos do we have”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 31 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The message is sent to the input queue of a message flow that contains a . . . . . . . .
Correct Answer: Option D — client
Detailed Academic Explanation:
client is the correct answer to “The message is sent to the input queue of a message flow that contains a . . . . . . . .”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 32 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Using what the time can and should be used for encouraging education and imagination
Correct Answer: Option B — braindevelopment
Detailed Academic Explanation:
braindevelopment is the correct answer to “Using what the time can and should be used for encouraging education and imagination”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 33 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . . specifies the function that will be called when a successful re-connection is completed.
Correct Answer: Option D — reconnect
Detailed Academic Explanation:
reconnect is the correct answer to “. . . . . . . . specifies the function that will be called when a successful re-connection is completed.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 34 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the drawback of using Lockitron?
Correct Answer: Option B — supports in some devices only
Detailed Academic Explanation:
supports in some devices only is the correct answer to “What is the drawback of using Lockitron”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 35 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
ROSTOPIC uses . . . . . . . . at the command line for representing the content of the message.
Correct Answer: Option A — yaml_syntax
Detailed Academic Explanation:
yaml_syntax is the correct answer to “ROSTOPIC uses . . . . . . . . at the command line for representing the content of the message.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 36 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which among the following is more powerful?
Correct Answer: Option B — rasberry pi 3 model
Detailed Academic Explanation:
rasberry pi 3 model is the correct answer to “Which among the following is more powerful”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 37 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
. . . . . . . . Specifies the function that will be called when a successful connection with the PubNub cloud.
Correct Answer: Option C — connect
Detailed Academic Explanation:
connect is the correct answer to “. . . . . . . . Specifies the function that will be called when a successful connection with the PubNub cloud.”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 38 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Services are the way in
Correct Answer: Option A — cloud
Detailed Academic Explanation:
cloud is the correct answer to “Services are the way in”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 39 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Galileo Gen 2 board was developed by which company?
Correct Answer: Option B — intel
Detailed Academic Explanation:
intel is the correct answer to “Galileo Gen 2 board was developed by which company”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
Question 40 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The most likely culprit is
Correct Answer: Option D — internetconnectivity
Detailed Academic Explanation:
internetconnectivity is the correct answer to “The most likely culprit is”. This question is standard in competitive examination syllabi for Internet Of Things _Iot.
💡Key Conceptual Anchor:Internet Of Things _Iot
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In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.