NPTEL Introduction To Internet Of Things Week 9 Assignment Answers 2025
1. Which of the following is/are the advantages of cloud computing?
A) Elasticity
B) Pay-per-use
C) Self Service
D) All of the above
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2. Fill in the blanks. Fog computing is an intermediate layer between ___________ and _____________ .
A) Dew and devices
B) Cloud and devices
C) Cloud and server
D) None of these
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3. The managerial role is played by ____________ in sensor-cloud architecture.
A) End-users
B) Sensor-Cloud Service Provider
C) Neither a nor b
D) Both a and b
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4. Which of the following is not a component of OpenStack?
A) Suse
B) Nova
C) Swift
D) All of these
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5. Who coined the term Fog computing?
A) IBM
B) CISCO
C) All of these
D) None of these
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6. Fill in the blank. The concept of __ enables physical hardware to be shared among multiple entities.
A) Hardware virtualization
B) Software virtualization
C) Module virtualization
D) All of these
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7. Openstack is a free open source software for cloud framework simulation and experimentation with various cloud applications.
A) True
B) False
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8. In IoT, temporal sensitivity of data DOES NOT play an important role
A) True
B) False
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9. Which among the following is NOT a component of OpenStack.
A) Horizon
B) Heat
C) Stellar
D) Neutron
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10. Which among the following is the principal feature of sensor clouds, with respect to sensor nodes?
A) Sensor monitoring
B) Sensor instantiation
C) Sensor virtualization
D) Sensor collection
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11. The optimal composition of _____________ is a management issue in sensor-cloud.
A) Logistics
B) Pricing
C) Caching
D) Virtual sensor nodes
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12. How many different types of caching mechanism are there in sensor cloud?
A) 1
B) 4
C) 2
D) 3
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13. Data from an IoT device is transferred to cloud via a network, which is then processed at the cloud and then a response is sent back to the IoT device from the cloud after processing. The time it takes for one- way data transfer between the node and cloud is 10s and the data processing time at the cloud is ‘x’ seconds. It takes a total of 25s for the entire to and fro transfer of data between the sensor and cloud along with processing at the cloud. What is the value of x?
A) 10s
B) 5s
C) 15s
D) 20s
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14. Which among the following is true?
A) Fog computing acts as a complement to cloud computing.
B) Fog computing is a replacement for cloud computing.
C) Fog computing and cloud computing are the same.
D) Fog computing is more powerful than cloud computing (with respect to resources).
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15. Which component of OpenStack do you use to access all the other components?
A) Horizon
B) Glance
C) Neutron
D) None of these
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