1. Switches (Nexus): Core NEXUS 9372, 9396, 9508 VPC, Port-channel, Channel-group, Configuration of LAN switches, VLAN, Inter-VLAN communication, Multi-Layer Switch DHCP Server, VTP, STP, RSTP, MSTP, Port security, Port Aggregation etc. Access switches Cisco 2960, 2960x, Huawei S5700 configuration. 2. Router (ASR 1004): Configuration of HSRP, LACP, BGP, Static Routing, Troubleshooting of ASR 1004, Routing protocols (RIP, EIGRP, OSPF, BGP) Redistribution of Routing Protocols, Communication Privacy Configuration of VPN, GRE Tunnel, NAT, Access-list rate-limit. 3. CISCO (ASA) Firewall: ASA 5585, Encryption (DES, 3DES, AES) MPF, TCP inspection, Quality of service (QoS) NAT. Transparent mode, Multi context mode, SSH implementation, 4. GPON: Provisioning of ME4624 ONTs on OLT ME4620 and ONT, Troubleshooting of GPON services (Data, Voice, and VPN) in Mall and Hotel, Deployment and Maintenance of GPON Infrastructure in the Mall, Supporting the Mall clients in their IT infrastructure to run ICT services. 5. WLC: 5500 Wireless LAN Controller, Deployment and Maintenance connectivity of WLC to AP, Troubleshooting of AP (Data) services in Mall and Hotel, 6.TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SMTP, FTP, TFTP, LAN, WAN) layer 2, 2.5, and 3 switching. IOS Backup, Password Recovery, port security on a switch configured DHCP Client/Server. Full Command in Inter-VLAN Routing. Standard Access-list, Extended Access-list and Vlans Configurations. Everything of Multi-Protocol Label Switching (MPLS) 7.VLAN, VTP, VMPS, ISL,dot1q, Spanning-tree, RPVST. Layer 3 Switching: CEF, MPLS, Ether-Channel. QOS: Class-maps, service-policy. LAN Technologies: Ethernet, Fast Ethernet and Gigabit Ethernet, VLAN, Inter-VLAN Routing.