1) The main function of an IoT Gateway can be summarized as:
a. Forwarding packets between LAN and WAN on the IP layer.
b. Performing application layer functions between IoT nodes and other entities.
c. Enabling local, short-range communication between IoT devices.
d. All of these
2) Which of the following is true?
a. IoT is a subset of M2M
b. M2M is a subset of IoT
c. IoT is a subset of CPS
d. CPS is a subset of Web of Things (WoT)
3) M2M is a term introduced by
a. IoT service provides
b. Fog computing service providers
c. Telecommunication service providers
d. None of these
4) The number of possible addresses can be achieved with IPv6 addressing
a. 2^6
b. 2^26
c. 2^32
d. 2^128
5) Which of these is NOT a part of the Service Layer of the IoT Service Oriented Architecture?
a. Service integration
b. Service repository
c. Business logic
d. Data sensing and actuation protocols.
6) Which of these statements regarding sensors is TRUE?
a. Sensors are input devices.
b. Sensors can be analog as well as digital
c. Sensors respond to some external stimuli.
d. All of these.
7) Which of these is NOT related to IoT scalability?
a. Flexibility within Internet.
b. Large scale deployment.
c. Real-time connectivity of billions of devices.
d. Range of each sensor node.
8) Which statement is NOT TRUE:
a. IoT WAN connects various network segments.
b. IoT WAN is geographically wide.
c. IoT WAN is organizationally wide.
d. None of these.
9) Based on the data type, sensor can be classified in which of the two categories?
a. Analog and Digital
b. Isomorphic and Homomorphic
c. Scalar and Vector
d. Solid and Liquid
10) Temperature, Speed, Pressure, Displacement, and Strain are
a. Analog quantity
b. Digital quantity
c. Sometime analog, sometime digital
d. None of these
Physical quantities such as Temperature, Speed, Pressure, Displacement, Strain etc. are all analog quantities as they tend to be continuous in nature.
11) Which of these is NOT a feature of Shape Memory Alloys (SMA)?
a. Low density
b. Low strain recovery
c. Biocompatibility
d. Biodegradability
Shape Memory Alloy is an alloy that can be deformed when cold but returns to its pre-deformed ("remembered") shape when heated.
12) A mechanical actuator converts
a. rotary motion in to electrical power
b. electrical power in to rotary motion
c. rotary motion in to linear motion
d. Linear motion in to rotary motion
13) The approximation of the measured property sensed by a digital sensor induces:
a. Quantization error
b. Hysteresis error
c. Aliasing error
d. All of these
If the sensor has a digital output, the output is essentially an approximation of the measured property. This error is also called quantization error.
14) Rack and pinion are an example of
a. Electrical actuator
b. Hydraulic actuator
c. Mechanical actuator
d. None of these
15) The phenomenon of the output signal slowly changing independent of the measured property is called:
a. Aliasing
b. Drift
c. Hysteresis
d. None of these
16) Brokers in MQTT
a. Connects publishers and subscribers
b. Classify the sensor data into topics
c. Both of the above
d. None of the above
17) In AMQP, new link initiation in order to send and receive messages is done by which frame type?
a. OPEN
b. ATTACH
c. BEGIN
d. FLOW
18) In the network layer, Zigbee follows which routing scheme?
a. AODV
b. DSDV
c. RIPv2
d. OSPF
19) Which of the following standards is known as low data-rate WPAN?
a. IEEE 802.15.2
b. IEEE 802.15.4
c. IEEE 802.15e
d. IEEE 802.15c
20) MQTT topics are
a. Simple floating point
b. Simple integer
c. Simple symbol
d. Simple string
21) CoAP stands for
a. Contention Application Protocol
b. Constrained Application Protocol
c. Cluster Application Protocol
d. Continuous Application Protocol
22) Collision prevention in 802.15.4 standard is provided by means of:
a. CSMA-CA
b. CSMA-CD
c. ALOHA
d. None of these
23) RPL supports:
a. Message confidentiality
b. Loop detection in the routes
c. Data path validation
d. All of these
24) XMPP protocol is
a. Service-oriented middleware based on Hyper Text Markup Language (HTML)
b. Message-oriented middleware based on Extensible Markup Language (XML)
c. Message-oriented middleware based on Hyper Text Markup Language (HTML)
d. Service-oriented middleware based on Extensible Markup Language (XML)
25) Which statement is TRUE with respect to the IEEE 802.15.4 standard?
a. It is a low data-rate standard.
b. Used for architecting wireless PANs
c. Operates in the ISM band
d. All of these
26) Which of the following is/are the feature(s) of AMQP?
a. Targeted QoS
b. Persistence
c. High speed protocol
d. All of these
27) IEEE 802.15.4 uses which of the following for accessing the channel?
a. Carrier sense multiple access (CSMA)
b. Carrier sense multiple access with collision detection (CSMA‐CD)
c. Carrier sense multiple access with collision avoidance (CSMA‐CA)
d. None of these
28) LOADing routing uses:
a. AODV
b. DSDV
c. RIPv2
d. OSPF
29) Which of the following is true for ZigBee Router (ZR)?
a. It contains just enough functionality to talk to the parent node, and it cannot relay data from other devices.
b. This allows the node to be asleep a significant amount of the time thereby enhancing battery life.
c. Capable of running applications, as well as relaying information between nodes connected to it.
d. Memory requirements and cost of ZEDs are quite high, as compared to ZR or ZC.
30) 6LoWPAN Dispatch header is used to
33) Near Field Communication (NFC) is based on the principle of
34) Inquiry is run by one Bluetooth device to a. Form a connection with another device
b. Discover other devices near it
c. Participate in the network
d. Isolate from the network
35) The sniff mode in Bluetooth is use fora. Actively transmitting or receiving data
b. Sleeping and only listening for transmissions at a set interval
c. Switching in power-saving mode where a device sleeps for a defined period and then returns back to active mode
d. Deactivating the slave
36) WASN stands for:a. Wireless and Sensor networks
b. Wired and Sensor networks
c. Wireless Ad-hoc Sensor Networks
d. None of these
37) This process of bypassing radio dead spots in Z wave is doing using a message called a. Healing
b. Beacon
c. Probe
d. None of these
38) Which channel encoding is used in Z-wave:a. RZ
b. NRZ
c. Manchester
d. None of these
39) Event aware topology management in WSNs include:a. Timely detection of an event of interest
b. Monitoring the event
c. Adapting with the changes of event state
d. All of these
40) The WSN nodes are prone to :a. Malicious attacks
b. Eavesdropping
c. Interference
d. All of these
41) In a wireless sensor network, a node which are unable to perform an operation, because of power failure and environmental effects in known as
a.normal node
b. selfish node
c. failed node
d. badly failed node
42) Bluetooth is a technology with:
a. Full duplex links
b. Half duplex links
c. Both the above
d.None of the above
43) Which of the following is a scheme for re-establishing the connectivity in the presence of dumb nodes in a wireless sensor networks?
a. INTSEM
b. CoRD
c. SMAC
d. DutyCon
44)The Hart protocol was designed for:
a. Home automation networking
b. Networked Smart Field devices
c. Vehicular networking
d. All of these
45) In Near Field Communication, the active devices are able to
a. only collect information
b. only transmit information
c. collect and transmit information
d. only receive information
46)In which of the following frequency range does nano networks work?
a. radio waves
b. micro waves
c. terahertz waves
d. infrared
Nano networks utilizes electromagnetic communication among nano-devices in the terahertz band (0.1-10 THz).
47) MANETs are:
a. Infrastructure oriented
b. Infrastructure less
c. Partially infrastructure oriented
d. Partially infrastructure less
48) In Human-centric sensing, which of these is NOT a constraint?
a. Energy of sensing devices
b. Privacy of users
c. Participant selection
d. Network size
49) UAV-VANETS link-up may be used for:
a. Data relay
b. Navigation
c. Sensing
d. All of these
50) A PIR Sensor stands for:
a. Proximity Infra-Red
b. Passive Infra-Red
c. Picture Infra-Red
d. None of these
51) Which of the following is true for UAV networks?
a. Communication links break frequently
b. It is very complex
c. It has huge power requirements
d. All of the above
52) Which of these topologies cannot be a reliable UAV network topology?
a. Star
b. Flat mesh
c. Hierarchical mesh
d. Tree
if the root node of the star topology goes down, the whole network goes down. A tree can be much denser than a star, however, if a node goes down, the branch under it survives and the other branches of the tree remain unaffected.
53) With respect to stationary sensor networks, which of the following options apply?
a. Easy deployment
b. Node can be placed at an optimized distance
c. Easy topology maintenance
d. All of these
54) Which of these can be regarded as the salient feature(s) of a 3D UWSN architecture?
a. Silent & energy-efficient scheme for mobile UWSNs
b. Iterative approach with less initiators nodes (anchors) required
c. Mobility prediction
d. All of these
55) Machine-to-Machine (M2M) is designed for
a. isolated systems using proprietary solutions
b. cross platform integration
c. home automation only
d. none of the above
56) In M2M communications, which of the following nodes is/are typically used for general environmental monitoring?
a. Low-end sensor nodes
b. Mid-end sensor nodes
c. High-end sensor nodes
d. All the above
57) In M2M, which of the following is true?
a. Low-end sensor nodes are mobile
b. Both mid-end and high-end sensor nodes are always static
c. Both low-end and high-end sensor nodes are mobile
d. High-end sensor nodes are mobile
58) Which of the following is/are the challenge(s) of human-centric sensing?
a. Energy of devices
b. Participant selection
c. Privacy of users
d. All the above
59) High-end M2M nodes have:
a. Mobility
b. QoS guarantees
c. Low density deployment
d. All of these
60) Which of these is to be considered for topology management in Wireless Multimedia Sensor Network (WMSN)?
a. Energy of sensing devices
b. Coverage area
c. Connectivity
d. All of these
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a. Forwarding packets between LAN and WAN on the IP layer.
b. Performing application layer functions between IoT nodes and other entities.
c. Enabling local, short-range communication between IoT devices.
d. All of these
2) Which of the following is true?
a. IoT is a subset of M2M
b. M2M is a subset of IoT
c. IoT is a subset of CPS
d. CPS is a subset of Web of Things (WoT)
3) M2M is a term introduced by
a. IoT service provides
b. Fog computing service providers
c. Telecommunication service providers
d. None of these
4) The number of possible addresses can be achieved with IPv6 addressing
a. 2^6
b. 2^26
c. 2^32
d. 2^128
5) Which of these is NOT a part of the Service Layer of the IoT Service Oriented Architecture?
a. Service integration
b. Service repository
c. Business logic
d. Data sensing and actuation protocols.
6) Which of these statements regarding sensors is TRUE?
a. Sensors are input devices.
b. Sensors can be analog as well as digital
c. Sensors respond to some external stimuli.
d. All of these.
7) Which of these is NOT related to IoT scalability?
a. Flexibility within Internet.
b. Large scale deployment.
c. Real-time connectivity of billions of devices.
d. Range of each sensor node.
8) Which statement is NOT TRUE:
a. IoT WAN connects various network segments.
b. IoT WAN is geographically wide.
c. IoT WAN is organizationally wide.
d. None of these.
9) Based on the data type, sensor can be classified in which of the two categories?
a. Analog and Digital
b. Isomorphic and Homomorphic
c. Scalar and Vector
d. Solid and Liquid
10) Temperature, Speed, Pressure, Displacement, and Strain are
a. Analog quantity
b. Digital quantity
c. Sometime analog, sometime digital
d. None of these
Physical quantities such as Temperature, Speed, Pressure, Displacement, Strain etc. are all analog quantities as they tend to be continuous in nature.
11) Which of these is NOT a feature of Shape Memory Alloys (SMA)?
a. Low density
b. Low strain recovery
c. Biocompatibility
d. Biodegradability
Shape Memory Alloy is an alloy that can be deformed when cold but returns to its pre-deformed ("remembered") shape when heated.
12) A mechanical actuator converts
a. rotary motion in to electrical power
b. electrical power in to rotary motion
c. rotary motion in to linear motion
d. Linear motion in to rotary motion
13) The approximation of the measured property sensed by a digital sensor induces:
a. Quantization error
b. Hysteresis error
c. Aliasing error
d. All of these
If the sensor has a digital output, the output is essentially an approximation of the measured property. This error is also called quantization error.
14) Rack and pinion are an example of
a. Electrical actuator
b. Hydraulic actuator
c. Mechanical actuator
d. None of these
15) The phenomenon of the output signal slowly changing independent of the measured property is called:
a. Aliasing
b. Drift
c. Hysteresis
d. None of these
16) Brokers in MQTT
a. Connects publishers and subscribers
b. Classify the sensor data into topics
c. Both of the above
d. None of the above
17) In AMQP, new link initiation in order to send and receive messages is done by which frame type?
a. OPEN
b. ATTACH
c. BEGIN
d. FLOW
18) In the network layer, Zigbee follows which routing scheme?
a. AODV
b. DSDV
c. RIPv2
d. OSPF
19) Which of the following standards is known as low data-rate WPAN?
a. IEEE 802.15.2
b. IEEE 802.15.4
c. IEEE 802.15e
d. IEEE 802.15c
20) MQTT topics are
a. Simple floating point
b. Simple integer
c. Simple symbol
d. Simple string
21) CoAP stands for
a. Contention Application Protocol
b. Constrained Application Protocol
c. Cluster Application Protocol
d. Continuous Application Protocol
22) Collision prevention in 802.15.4 standard is provided by means of:
a. CSMA-CA
b. CSMA-CD
c. ALOHA
d. None of these
23) RPL supports:
a. Message confidentiality
b. Loop detection in the routes
c. Data path validation
d. All of these
24) XMPP protocol is
a. Service-oriented middleware based on Hyper Text Markup Language (HTML)
b. Message-oriented middleware based on Extensible Markup Language (XML)
c. Message-oriented middleware based on Hyper Text Markup Language (HTML)
d. Service-oriented middleware based on Extensible Markup Language (XML)
25) Which statement is TRUE with respect to the IEEE 802.15.4 standard?
a. It is a low data-rate standard.
b. Used for architecting wireless PANs
c. Operates in the ISM band
d. All of these
26) Which of the following is/are the feature(s) of AMQP?
a. Targeted QoS
b. Persistence
c. High speed protocol
d. All of these
27) IEEE 802.15.4 uses which of the following for accessing the channel?
a. Carrier sense multiple access (CSMA)
b. Carrier sense multiple access with collision detection (CSMA‐CD)
c. Carrier sense multiple access with collision avoidance (CSMA‐CA)
d. None of these
28) LOADing routing uses:
a. AODV
b. DSDV
c. RIPv2
d. OSPF
29) Which of the following is true for ZigBee Router (ZR)?
a. It contains just enough functionality to talk to the parent node, and it cannot relay data from other devices.
b. This allows the node to be asleep a significant amount of the time thereby enhancing battery life.
c. Capable of running applications, as well as relaying information between nodes connected to it.
d. Memory requirements and cost of ZEDs are quite high, as compared to ZR or ZC.
30) 6LoWPAN Dispatch header is used to
a. Terminate communication
b. Initiate communication
c. Pause communication
d. None of these
b. Initiate communication
c. Pause communication
d. None of these
31) Channel hopping is performed at which layer of HART?a. Physical
b. Data link
c. Network
d. Application
b. Data link
c. Network
d. Application
32) Which of the following modulations is utilized by Zwave?a. Amplitude Phase Shift Keying(APSK)
b. Quadrature Phase Shift Keying(QPSK)
c. Frequency Shift Keying(FSK)
d. Gaussian Frequency Shift Keying(GFSK)
b. Quadrature Phase Shift Keying(QPSK)
c. Frequency Shift Keying(FSK)
d. Gaussian Frequency Shift Keying(GFSK)
33) Near Field Communication (NFC) is based on the principle of
a. Reflection
b. Refraction
c. Magnetic induction
d. Electrical Conductance
b. Refraction
c. Magnetic induction
d. Electrical Conductance
34) Inquiry is run by one Bluetooth device to a. Form a connection with another device
b. Discover other devices near it
c. Participate in the network
d. Isolate from the network
35) The sniff mode in Bluetooth is use fora. Actively transmitting or receiving data
b. Sleeping and only listening for transmissions at a set interval
c. Switching in power-saving mode where a device sleeps for a defined period and then returns back to active mode
d. Deactivating the slave
36) WASN stands for:a. Wireless and Sensor networks
b. Wired and Sensor networks
c. Wireless Ad-hoc Sensor Networks
d. None of these
37) This process of bypassing radio dead spots in Z wave is doing using a message called a. Healing
b. Beacon
c. Probe
d. None of these
38) Which channel encoding is used in Z-wave:a. RZ
b. NRZ
c. Manchester
d. None of these
39) Event aware topology management in WSNs include:a. Timely detection of an event of interest
b. Monitoring the event
c. Adapting with the changes of event state
d. All of these
40) The WSN nodes are prone to :a. Malicious attacks
b. Eavesdropping
c. Interference
d. All of these
41) In a wireless sensor network, a node which are unable to perform an operation, because of power failure and environmental effects in known as
a.normal node
b. selfish node
c. failed node
d. badly failed node
42) Bluetooth is a technology with:
a. Full duplex links
b. Half duplex links
c. Both the above
d.None of the above
43) Which of the following is a scheme for re-establishing the connectivity in the presence of dumb nodes in a wireless sensor networks?
a. INTSEM
b. CoRD
c. SMAC
d. DutyCon
44)The Hart protocol was designed for:
a. Home automation networking
b. Networked Smart Field devices
c. Vehicular networking
d. All of these
a. only collect information
b. only transmit information
c. collect and transmit information
d. only receive information
46)In which of the following frequency range does nano networks work?
a. radio waves
b. micro waves
c. terahertz waves
d. infrared
Nano networks utilizes electromagnetic communication among nano-devices in the terahertz band (0.1-10 THz).
47) MANETs are:
a. Infrastructure oriented
b. Infrastructure less
c. Partially infrastructure oriented
d. Partially infrastructure less
48) In Human-centric sensing, which of these is NOT a constraint?
a. Energy of sensing devices
b. Privacy of users
c. Participant selection
d. Network size
49) UAV-VANETS link-up may be used for:
a. Data relay
b. Navigation
c. Sensing
d. All of these
50) A PIR Sensor stands for:
a. Proximity Infra-Red
b. Passive Infra-Red
c. Picture Infra-Red
d. None of these
51) Which of the following is true for UAV networks?
a. Communication links break frequently
b. It is very complex
c. It has huge power requirements
d. All of the above
52) Which of these topologies cannot be a reliable UAV network topology?
a. Star
b. Flat mesh
c. Hierarchical mesh
d. Tree
if the root node of the star topology goes down, the whole network goes down. A tree can be much denser than a star, however, if a node goes down, the branch under it survives and the other branches of the tree remain unaffected.
53) With respect to stationary sensor networks, which of the following options apply?
a. Easy deployment
b. Node can be placed at an optimized distance
c. Easy topology maintenance
d. All of these
54) Which of these can be regarded as the salient feature(s) of a 3D UWSN architecture?
a. Silent & energy-efficient scheme for mobile UWSNs
b. Iterative approach with less initiators nodes (anchors) required
c. Mobility prediction
d. All of these
55) Machine-to-Machine (M2M) is designed for
a. isolated systems using proprietary solutions
b. cross platform integration
c. home automation only
d. none of the above
56) In M2M communications, which of the following nodes is/are typically used for general environmental monitoring?
a. Low-end sensor nodes
b. Mid-end sensor nodes
c. High-end sensor nodes
d. All the above
57) In M2M, which of the following is true?
a. Low-end sensor nodes are mobile
b. Both mid-end and high-end sensor nodes are always static
c. Both low-end and high-end sensor nodes are mobile
d. High-end sensor nodes are mobile
58) Which of the following is/are the challenge(s) of human-centric sensing?
a. Energy of devices
b. Participant selection
c. Privacy of users
d. All the above
59) High-end M2M nodes have:
a. Mobility
b. QoS guarantees
c. Low density deployment
d. All of these
60) Which of these is to be considered for topology management in Wireless Multimedia Sensor Network (WMSN)?
a. Energy of sensing devices
b. Coverage area
c. Connectivity
d. All of these
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