cisco certification for beginners

cisco certification for beginners.2.3.5 OpenDNSCisco acquired a company called 0penDNS, a company that provides DNS services, DNS threat intelligence, andand threat prevention measures at the DNS layer. OpenDNS has a global network that can be used to deliveradvanced security solutions (delivered as a cloud service) to Cisco customers regardless of where their offices or employees are located.Cisco customers can access this service no matter where their offices or employees are located. The service is not only easy to deploy, it is also easy to manage. CiscoCisco has also incorporated innovative advances in threat research and threat-centric security (developed by OpenDNS) into this service, with the intention ofIt is intended to counteract advanced network security threats with other security and networking products. OpenDNS has millions of users.including thousands of companies ranging from Fortune 500 companies to small businesses.Portability* OpenDNS offers free DNS services for individuals, students and small businesses. Simply configure the IP address of the DNS server of your endpoint host (notebook computer, desktop, mobile device, server or DHCP server) to the IP address of the OpenDNS server at 208.67.222.222 and/or 208.67.220.220 to enjoy the service. OpenDNS also offers the following premium services. OpenDNS Umbrella: An enterprise-grade, advanced network security service that protects any device, anytime, anywhere. The service blocks DNS resolution against known malicious sites. The service provides up-to-date insights and analysis of at least 2% of the world's online behavior to keep itself ahead of attacks. The service provides threat intelligence by looking at where attacks are being launched on the Internet.