CCNA

What is VPN (Virtual Private Network)

Virtual Private Network

VPN (Virtual Private Network) provide secure communication between private network over Internet (Public Network). It used within a company or organizations. VPN maintains fast, secure and reliable communication between computers at remote location. VPN Enable geographically scattered employee of organizations…
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CheckPoint Firewall Interview Question and Answer

CheckPoint Firewall Interview Question

I am share with Checkpoint Firewall Interview Question and Answer. These question generally ask in interview. ¬†its also my personal experience. Checkpoint Firewall is award winner security firewall. Every Corporate organization used Checkpoint firewall for Internal Network security purpose. Security…
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What is SSL-Secure Socket Layer Protocol

SSL-Secure Socket Layer Protocol

SSL-Secure Socket Layer Protocol is a developed by Netscape for transmission data over the internet. SSL ( Secure Socket Layer ) Protocol is designed to provide security, and encryption to the data generated from application layer. SSL Protocol mainly used…
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What is NAT – Network Address Translation

NAT (Network Address Translation) used to reduce the requirement of the Public IP address and increase security of Internal Computer Networks. NAT is a method in which Internal Network IP address translate into Public IP address before reach to external…
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