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
Can attribute values be set to anything or are there specific values that they accept? Some attribute values can be set to only predefined values. Other attributes can accept any numerical value that represents the number of pixels for a size.
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