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Feb
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17
Jul
What is DNS and DNS port number ?
Answer : The Domain Name System (DNS) is the phonebook of the Internet...
17
Jul
What is DND ?
Answer : DND means Do Not Disturb...
17
Jul
What is DHCP ?
Answer : DHCP (Dynamic Host Configuration Protocol) is a protocol...
17
Jul
What is Cyber Security ?
Answer : Cyber security or information technology security refers to a set of...
17
Jul
What is whitelist ?
Answer : A whitelist is a list of e-mail addresses or domain names...
17
Jul
What is an SSL and how does it works ?
Answer : SSL (Secure Sockets Layer) is the standard security technology...
17
Jul
What is firewall ?
Answer : A firewall is a piece of hardware or software...
17
Jul
What are the layers of OSI ?
Answer : There are seven Layers in Open Systems Interconnection Model...
