IoE (Internet of Everything) Question Bank and Solution (MCQs) for Mumbai University Examination Information Technology Semester 8 - Part 2

Hello Everyone!
This article is based on the Multiple Choice Questions related to IoE.

These MCQs were given as question bank in Mumbai University-BE-Information Technology-Semester 8 Exam for the subject- Internet of Everything. 

Q 1) Match the following characteristics of IoT-

Column A	Column B
1) Heterogeneity	State of device changes
2) Enormous scale	Anything can be interconnected with the global information and communication infrastructure
3) Dynamic changes	Interaction is possible with other devices or service platforms through different networks
4) Thing related services	The number of devices that need to be managed and that communicate with each other will be atleast an order of magnitude larger than the devices connected to the current internet
5) Interconnectivity	Provides services such as privacy protection and semantic consistency between physical things and their associated virtual things.

Solution:
1) Heterogeneity -
Interaction is possible with other devices or service platforms through different networks.

2) Enormous scale -
The number of devices that need to be managed and that communicate with each other will be atleast an order of magnitude larger than the devices connected to the current internet.

3) Dynamic changes -
State of device changes.

4) Thing related services -
Provides services such as privacy protection and semantic consistency between physical things and their associated virtual things.

5) Interconnectivity -
Anything can be interconnected with the global information and communication infrastructure.

Q 2) Match the following characteristics of Big Data-

Column A	Column B
1) Velocity	Analysis of Data
2) Variety	Quality of data
3) Volume	The type and nature of data
4) Veracity	The speed at which the datais generated and processed
5) Value	The quantity of generated and stored data

Solution:
1) Velocity -
The speed at which the datais generated and processed

2) Variety -
The type and nature of data

3) Volume -
The quantity of generated and stored data

4) Veracity -
Quality of data

5) Value -
Analysis of Data

Q 3) Match the following -

Column A	Column B
1) Sequential	Data alternatively exchanged between Tag and Reader with continuous energy
2) Half Duplex	Data simultaneously exchanged between Tag and Reader with continuous energy
3) Full Duplex	Energy transfers while reader and tag transfers data

Solution:
1) Sequential -
Energy transfers while reader and tag transfers data

2) Half Duplex -
Data alternatively exchanged between Tag and Reader with continuous energy

3) Full Duplex -
Data simultaneously exchanged between Tag and Reader with continuous energy

Q 4) A sensor is a device that converts _______.

a. Electrical signal into physical quantity
b. Physical quantity into measurable signals
c. Physical quantity into electric signals
d. Physical quantity into mechanical signals

Solution: b) Physical quantity into measurable signals

Q 5) For pure ALOHA protocol, the vulnerable period is how many packet duration than that of slotted ALOHA?

a. Equal
b. Ten times
c. Not equal
d. Double

Solution: d) Double

Q 6) The vulnerable period of slotted ALOHA is how many packet duration?

a. One
b. Two
c. Three
d. Four

Solution: a) One

Q 7) Match the following characteristics of Memory-

Column A	Column B
1) ROM	Holds incoming data of Modulation and Outgoing Data of Demodulation.
2) EEPROM	Accommodate security based data.
3) Data Buffer	Temporary data storage during transponder interrogation and response.
4) RAM	It needs to ensure that the data are retained when the device in sleep state.

Solution:
1) ROM - Accommodate security based data.


2) EEPROM - It needs to ensure that the data are retained when the device in sleep state.


3) Data Buffer - Holds incoming data of Modulation and Outgoing Data of Demodulation.


4) RAM - Temporary data storage during transponder interrogation and response.

Q 8) Match the following Tree Protocols-

Column A	Column B
1) Binary search	Each tag reponds in a bit by bit manner.
2) Bitwise Arbitration	The reader transmits a query, and tags with prefix matching the query repond.
3) Tree Splitting	The reader sends a serial number to tags, and those with values less than or equal to the serial number reply.
4) Query Tree	The algorithm performs collisison resolution by splitting collided tags into b disjoint subsets.

Solution:
1) Binary search - The reader sends a serial number to tags, and those with values less than or equal to the serial number reply.


2) Bitwise Arbitration - Each tag reponds in a bit by bit manner.


3) Tree Splitting - The algorithm performs collisison resolution by splitting collided tags into b disjoint subsets.


4) Query Tree - The reader transmits a query, and tags with prefix matching the query repond.

Q 9) Which of the following antenna radiates power with unit gain uniformly in all directions?

a. Isotropic antenna
b. Dipole antenna
c. Loop antenna
d. Directional antenna

Solution: a) Isotropic antenna

Q 10) Objects in IoE

a. Sensors and actuators
b. Data
c. People and process
d. All of these

Solution: d) All of these

Q 11) Functionalities of IOT

a. Identifying
b. Automatically Deciding
c. Sensing
d. Actuating
e. None of these
f. All of these

Solution: f) All of these

Q 12) The efficiency of pure ALOHA is _____.

a. 18.5%
b. 20.4%
c. 19.5%
d. 18.4%

Solution: d) 18.4%

Q 13) The efficiency of slotted ALOHA is _____.

a. 36.8%
b. 18.5%
c. 36.6%
d. 18.4%

Solution: a) 36.8%

Q 14) Which sensor is LM35?

a. Touch sensor
b. Pressure sensor
c. Temperature sensor
d. Humidity sensor

Solution:

Q 15) Tree based protocols are able to single out and read every tag, provided each tag has a unique ID. All tree based protocols require tags to have muting capability, as tags are silenced after identification.

a. True
b. False

Solution: a) True

    

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