Search for: All Articles 1. Networking Basics 10. OSPF 11. LAN switching 12. VLAN 13. VTP 14. STP and RSTP 15. ACLs 16. NAT 17. IPv6 18. Miscellaneous 2. Cabling 3. IP Addressing 4. Network Tools 5. Network Protocols 6. Cisco IOS 7. IP routing 8. RIP 9. EIGRP 1. Networking Basics What is CCNA? What is Network OSI & TCP/IP Model Local Area Network (LAN) Wide Area Network (WAN) Ethernet Ethernet Frame MAC & IP Address Unicast, Multicast, and Broadcast Addresses Network Devices View Details 2. Cabling Types of Ethernet Cabling Straight-Through and Crossover View Details 3. IP Addressing Types of IP addresses Classes of IP addresses Private IP addresses explained Subnetting explained Subnet mask Create subnets CIDR (Classless inter-domain routing) View Details 4. Network Tools Ping explained Traceroute explained View Details 5. Network Protocols TCP/IP suite of protocols TCP explained UDP explained Ports explained ARP (Address Resolution Protocol) explained DHCP & DNS Telnet & SSH FTP & TFTP SNMP (Simple Network Management Protocol) HTTP and HTTPS explained View Details 6. Cisco IOS Cisco IOS overview Power on a Cisco device IOS command modes Get help in IOS Running & startup configuration IOS basic commands show command Configure descriptions Run privileged commands within global config mode Ports on an IOS device View Details 7. IP routing What is IP routing? Connected, static & dynamic routes Administrative distance & metric Routing protocols View Details 8. RIP RIP overview Configuring RIPv2 passive-interface command RIP loop prevention Advertise default routes using RIP View Details 9. EIGRP EIGRP overview EIGRP configuration Wildcard mask in EIGRP EIGRP automatic & manual summarization EIGRP authentication & load balancing EIGRP Reliable Transport Protocol (RTP) EIGRP Diffusing Update Algorithm (DUAL) EIGRP summary View Details 10. OSPF OSPF overview OSPF configuration Designated & Backup Designated Router OSPF authentication OSPF summarization OSPF summary Differences between OSPF and EIGRP Comparing internal routing protocols (IGPs) View Details 11. LAN switching Layer 2 switching How switches work Collision & broadcast domain CSMA/CD View Details 12. VLAN What is a VLAN? Access and trunk ports Configuring VLANs Configuring access & trunk ports Frame tagging IEEE 802.1Q Inter-Switch Link (ISL) Configuring voice VLANs Configuring allowed VLANs View Details 13. VTP What is VTP? VTP modes VTP configuration View Details 14. STP and RSTP What is STP? How STP works Electing the Root Switch in STP Selecting STP root port Selecting STP designated port (DP) What is RSTP? How RSTP works Configuring RSTP View Details 15. ACLs What are ACLs? Types of ACLs Configuring standard ACLs Configuring extended ACLs Configuring named ACLs View Details 16. NAT What is NAT? Static NAT Dynamic NAT Port Address Translation (PAT) configuration View Details 17. IPv6 What is IPv6? IPv6 address format Types of IPv6 addresses IPv6 unicast addresses IPv6 global unicast addresses IPv6 unique local addresses IPv6 link-local addresses IPv6 multicast addresses IPv6 address prefixes IPv6 interface identifier View Details 18. Miscellaneous Wildcard masks Setting up Telnet Setting up SSH Port security Types of memory on a Cisco device Configure Cisco router as DHCP server Configure NTP on a Cisco router Cisco Discovery Protocol (CDP) overview Map hostnames to IP addresses Configure Cisco device as DNS client View Details