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Classification of Assets

on August 16, 2020

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IoT(internet of things) Circuit diagram & Programming

on July 13, 2020

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OSI (Open systems interconnectation)MODEL

Click here to know about Computer Network OSI MODEL: What is the OSI model? The Open Systems Interconnection (OSI) model is a conceptual model created by the International Organization for Standardization The OSI provides a standard for different computer systems to be able to communicate with each other. The OSI model can be seen as a universal language for computer networking. It’s based on the concept of splitting up a communication system into seven abstract layers, each one stacked upon the last. Now we start at the 1st layer which is known as PHYSICAL Layer. Why it's name Physical layer ? & Functionality 1.TheCommunication between the two or more devices by through the Physical medium just like as CABLE, WIRE etc; so it's name Physical Layer. 2.The data transmitted by the CABLES is in the form of SIGNAL,it may be DIGITAL or ANALOG SIGNAL. we will discuss about it in this session. 3.The next thing is the devices which is used to transmit the data with out any

Transport layer

What do you mean by IP ADDRESS ? * It stands for internet protocol. *In the transport layer the IP protocol are used. *IP is nothing but it's a unique address of devices such as computer, laptops, routers etc. *IP contains 4 octet. *Each octet contain 8bits. *So totally IP address contains 32bits. *There are two types of version of IP such as IPv4 & IPv6. How many classes of IP ADDRESS ? Basically there are 4 types of IP address are there such as * Class A IP _ 0.0.0.0 to 127.255.255.255 * Class B IP _ 128.0.0.0 to 191.255.255.255 * Class C IP _192.0.0.0 to 223.255.255.255 * Class D IP _224.0.0.0 to 239.255.255.255 Details about IP ADDRESS: IP addresses consists of two types of ID ; first is Network ID & another is Host ID. IP ADDRESSES = Network ID+ Host ID. How to know class A IP ADDRESS: The range of class A IP address is 0.0.0.0 to 127.255.255.255. So look at the first octet if the ofirst octet is in between 0 to 127. Then it's known as the C

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Classification of Assets

IoT(internet of things) Circuit diagram & Programming

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