Answer : B
Explain :The term 'Internet of Things' was coined in 1999 by the computer scientist Kevin Ashton.
The size of MAC address is ___________ bits
16
32
48
64
Answer : C
Explain :The MAC address is a unique 12-digit hexadecimal numbers (48 bits in length) is also known as hardware address.
The LPWAN :
Low Power Wide Area Network
Low bit rate
Both (A) and (B)
Short range wireless communication.
Answer : A
Explain :LPWAN stands for Low-Power Wide-Area Network. It suits all IoT applications where small amounts of data are transmitted infrequently.
ISM stand for :
Information, Scientific and Medical
Industrial, Scientific and Medical
Industrial, Science and Medical
Industrial, Scientific and Medicine
Answer : B
Explain : Industrial, scientific and medical networks (ISM networks) are multi-use, international radio frequency networks that support connectivity between objects.
The size of bits in IPv4 addressing is
16
32
64
128
Answer : B
Explain :An IPv4 address is divided into four octets (bytes). Each byte contains eight bits, so 4 x 8 = 32 bits.
Which of the transmission media contains central conductor and shield ?
coaxial cable
twisted pair cable
fiber-optic cable
none of these
Answer : A
Explain :Coaxial cables have a central conductor, an insulating layer, a conducting shield, and an outer plastic sheath. The central conductor is made of solid copper.
Which of the transmission media uses light as medium of data transfer
coaxial cable
twisted pair cable
fiber-optic cable
none of these
Answer : C
Explain :Optical fiber is a transmission medium that uses light to transmit data, voice, and images.
Which of the transmission media highest data transmission rate ?
coaxiable
twisted pair cable
fiber-optic cable
none of these
Answer :
Explain :Fiber optics has the highest transmission speed of any transmission media. It runs at 1000Mb/s, which is called 1000Base-Lx
IIoT targets applications related to
Health and fitness.
Entertainment
Both of these
None of these
Answer : C
Explain : IIoT application are used in robotics, medical devices, and software-defined production processes.
Device used to convert light energy into electrical energy is
Turbine
Windmill
Solar cell
None of these
Answer : A
Explain :
API stands for :
Application Programming Interface
Address Programming Interface
Accessing peripheral through the interface
none of the above
Answer : A
Explain :API stands for Application Programming Interface. It's a set of protocols, routines, and tools for building software and applications.
Which of the following is not an application of IoT?
Wearables
Smart Grid
Arduino
Smart City
Answer : C
Explain : Arduino is not an application of IoT but rather a platform used for building IoT devices. Wearables - means wearables bands ( digital watches), A smart grid is an electricity network that uses digital and other advanced technologies to monitor and manage the transport of electricity.
What is the standard length of MAC and IPV6 addresses ?
48 and 128
48 and 32
48 and 64
52 and 128
Answer : A
Explain : MAC lenght- 48 and IPv6- 128 bits.
A huge amount of data is generated in IoT system that must be :
Analyzed
Visualized
Stored
All of the above
Answer : C
Explain : The huge amount of data in IOT must be stored.
What are the effective stages of IoT architecture ?
Internet gateway, Edge information
Sensors and Actuators
Data center and cloud analysis
All of these
Answer : D
Explain :The four stages of IoT architecture are:
Stage 1: Sensors and actuators
Stage 2: Gateways and data acquisition systems
Stage 3: Edge IT data processing
Stage 4: Datacenter and cloud