Diffrence between router and switch? Differnce between TCP AND UDP? what is port no. Of SMTP AND POP3? What is Printer? How to add new printer? What is BSOD? HOW to fix it? How to take backup of data in outlook? What is IP Address? How many types of ip address? What is static and dynamic ip?

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Router forwards data packets between computer networks, while switch connects devices within a network. TCP is connection-oriented, UDP is connectionless. SMTP uses port 25, POP3 uses port 110. Printe...read more

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