30. Explain in short the meanings of PAN, LAN, HAN, SAN, and WAN. PAN: This signifies Personal Area Network. It is a connection which is used by a person. LAN: This stands for Local Area Network and is a connection of all computers in a small location like school, office, etc. HAN: This stands for Home Area Network and helps in connecting devices from some PCs, phone, fax machines, etc. SAN: This stands for Storage Area Network. It is a connection between different storage devices. WAN: This is an acronym for Wide Area Network. It connects various devices, phones, printers, etc. over a wide network which can be different cities or countries and even continents. #lan #wan #pan #san #han #network
25 What are the key elements of the protocol? There are three key elements of the protocol: Syntax: Describe the format of the data. Semantics: Describes the meaning of each section. Timings: Explain the timing that how fast the data can be sent. #protocol #syntax #semantics #timings #data
How do you create links to sections within the same page? Links can be created using the <a> tag, with referencing through the use of the number (#) symbol. For example, you can have one line as <a href=”#topmost”>BACK TO TOP</a>, which would result in the words “BACK TO TOP” appearing on the webpage and links to a bookmark named topmost. You then create a separate tag command like <a name=”topmost”> somewhere on the top of the same webpage so that the user will be linked to that spot when he clicked on “BACK TO TOP”.
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