TCP/IP WAN CCNA Firewall Engineering Network Security

Java SSL TCP/IP REDIS Apache Spark

Java NoSQL Kafka Spark HDFS

shell scripts Perl tcl Python MacOS

Java NoSQL Kafka Spark HDFS

TCP/IP Firewall IPS

COBOL CICS Transaction Server (CTS) CICS TSO MVS JCL

TCP/IP QSIG SIP H323 MGCP

AVEVA TCP/IP OPC SCADA PLC

TCP/IP VLAN DHCP DNS RADIUS

SSL/TLS DNS DHCP WINS NTP

TCP/IP VMware Microsoft Linux Windows Server

TCP/IP DHCP DNS QOS RDMA

TCP/IP VLAN DHCP DNS RADIUS

TCP/IP QSIG SIP H323 MGCP