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CCNA 2: Access Control Lists (ACLs)
CCNA 2: Intermediate TCP/IP
CCNA 2: Intermediate TCP/IP The transport layer of the OSI model is responsible for the reliable transport and regulation of data flow from a source to a destination. TCP makes sure that each host on the network is ready and willing to communicate. A three-way handshake is a process that ensures that each side is ready for [...]
CCNA 2: Basic Router Troubleshooting
CCNA 2: Basic Router Troubleshooting The show ip route command is used to gather detailed information about the routes installed on the router. It displays the contents of the IP routing table. New routes may be added with static routing, which allows an administrator to manually define routes, or with dynamic routing, which uses the rules [...]
CCNA 2: TCP/IP Suite Error and Control Messages
CCNA 2: TCP/IP Suite Error and Control Messages IP is an unreliable method for delivery of network data. ICMP is an error reporting protocol for IP. When datagram delivery errors occur, ICMP is used to report these errors back to the source of the datagram. ICMP echo request and echo reply messages allow the network administrator [...]