Basics of networking : Model,Router,firewall,Switch, wireless access points
Router: Layer 3 device of OSI model, deals with communication via IP address, Private Network, public network etc. routing protocols OSPF, etc are used, with concepts like routing tables. DNS: Domain Name server DHCP: Dynamic Host Configuration Protocol ======================================================================== NETWORKS , SUBNETWORKS and ROUTE ROUTING TABLE Destination Gateway Genmask Flags Metric Ref Use Iface default gateway 0.0.0.0 UG 100 0 0 em2 15.15.0.0 10.10.4.99 255.255.255.0 U...
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