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Ceh.v10 IoT Hacking | Questions And Answers Latest {} A+ Graded | 100% Verified
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Ceh.v10 IoT Hacking | Questions And Answers Latest {} A+ Graded | 100% Verified
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Ceh.v10 IoT Hacking | Questions And Answers Latest {2024- 2025} A+ Graded | 100%Verified
Internet of Things (IoT) - Refers to the network of devices with an IP address that have the capability of
sensing, collecting and sending data using embedded sensors, communication hardware and processors
Application + Network + Mobile + Cloud = ?
Components of IoT - o Sensing technology
o IoT Gateways
o Cloud Server/ Data Storage
o Remote Control using Mobile App
Components of IoT : Sensing Technology - Sensors embedded in the devices sense a wide variety of
information from their surroundings like temperature, gases, location, working of some industrial
machine as well as sensing health data of a patient.
Components of IoT : IoT Gateways - These are used to bridge the gap between the IoT device (internal
network) and the end user (external network) and thus allowing them to connect and communicate with
each other. The data collected by the sensors in IoT devices send the collected data to the concerned
user or cloud through this
Components of IoT : Remote Control using Mobile App - The end user uses remote controls such as
mobile phones, tabs, laptops, etc. installed with a mobile app to monitor, control, retrieve data, and
take a specific action on IoT devices from a remote location.
Components of IoT : Cloud Server/Data Storage: - The collected data after travelling through the
gateway arrives at the cloud, where it is stored and undergoes data analysis. The processed data is then
transmitted to the user where he/she takes certain action based on the information received by
him/her.
IoT Architecture - o Application Layer
o Middleware Layer
,o Internet Layer
o Access Gateway Layer
o Edge Technology Layer
IoT Architecture : Edge Technology Layer - This layer consists of all the hardware parts like sensors, RFID
tags, readers or other soft sensors and the device itself.
These entities are the primary part of the data sensors that are deployed in the field for monitoring or
sensing various phenomena. This layer plays an important part in data collection, connecting devices
within the network and with the server.
IoT Architecture : Access Gateway Layer - This layer helps to bridge the gap between two end points like
a device and a client. The very first data handling also takes place in this layer. It carries out message
routing, message identification and subscribing.
IoT Architecture : Internet Layer - This is the crucial layer as it serves as the main component in carrying
out the communication between two end points such as device-to-device, device-to-cloud, device-to-
gateway and back-end data-sharing
IoT Architecture : Middleware Layer - This is one of the most critical layers that operates in two-way
mode. As the name suggests this layer sits in the middle of the application layer and the hardware layer,
thus behaving as an interface between these two layers.
It is responsible for important functions such as data management, device management and various
issues like data analysis, data aggregation, data filtering, device information discovery and access
control.
IoT Architecture : Application Layer - This layer placed at the top of the stack, is responsible for the
delivery of services to the respective users from different sectors
like building, industrial, manufacturing, automobile, security, healthcare, etc.
Short-range Wireless Communication - o Bluetooth low energy
o Light-fidelity LiFi
, o Near Field Communication
o QR Codes and Barcodes
o Radio Frequency Identification
o Thread
o Wifi
o Wifi Direct
o z-wave
o ZigBee
Short-range communication : Light-Fidelity (Li-Fi): - This is like Wi-Fi with only two differences: mode of
communication and the speed. It is a Visible Light Communications (VLC) system that uses common
household light bulbs for data transfer at a very high speed of 224Gbps.
Short-range communication : Bluetooth low energy - Also known as Bluetooth Smart is a wireless
personal area network. This technology is designed to provide applications in various sectors like
healthcare, security, entertainment, fitness, etc.
Short-range communication : Radio Frequency Identification - RFID stores data in tags that are read
using electromagnetic fields.
RFID is used in many sectors like industrial, offices, companies, automobile, pharmaceuticals, livestock
and pets.
Short-range communication : QR Codes and Barcodes - These codes are machine readable tags that
contains information about the product or item to which they are attached.
Quick Response code or QR code is a two-dimensional code that stores product's information and it can
be scanned using smart phones whereas Barcode comes in both, one dimensional (1D) and two-
dimensional (2D) code.
Short-range communication : Near-field Communication - NFC is a type of short range communication
that uses magnetic field induction to enable communication between two electronic devices.
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