ARP ICMP TCP UDP DNS

BGP HSRP VSS VLAN TLS

TPFDF IBM Toolkit/Dubugger

Cisco Networking Palo Alto EIGRP BGP TCP/IP

TCP/IP BGP Cisco IOS EIGRP OSPF

LAN/WAN EIGRP OSPF BGP CCNP

Cisco Aci Routers Switches Firewall Proxy

CICS z/OS JCL ISPF RACF

Network/Security Engineer Network Security DMZ segmentation ASRs Nexus

Cisco Nexus Arista LAN/WAN/Datacenter solutions BGP OSPF

mainframe batch DB2 JCL COBOL ISPF

GCP Agile CI/CD DevOps SRE

python GCP Cloud Run Docker Storage

Java Github using Java Spring Boot

HTML5 JavaScript CSS3.