Through which of the following many local area networks (LAN) are connected together and in general, the whole country o…

</p><p>A _________ device is used to connect multiple nodes to network.</p> <p></p>

Which of the following refers to extracting confidential information such as credit card numbers and username password c…

Which of the following is the default port of POP3 protocol?</p>

What is the full form of DHCP in networking system?</p>

Which of the following is NOT a valid IPv4 address?</p>

Which of the following malicious program do not replicate automatically?</p>

________ ensures secure transfer of data over an unsecured network, such as the Internet.</p>