Lessons tagged with "ahmed abdallah" (92).

VPN

VPN CCNA

Establish encrypted VPN tunnels with the Cisco VPN Client for highly secure remote connectivity for your mobile employees or teleworkers.

SSH

SSH CCNA

Secure Shell (SSH) is a protocol which provides a secure remote access connection to network devices. Communication between the client

NTP

NTP CCNA

NTP It is almost impossible to find any large-scale enterprise that does not use NTP within their infrastructure (and if you can you