or Storage skills. Cisco Certified Network Associate - Routing and Switching (CCNA-R/S) Cisco Certified WAN Optimization (RCSA-W) Cisco Certified Network Associate - Security (CCNA-SEC) Juniper Certifications Server Citrix Metaframe Cisco Certified Network Associate - Data Center (CCNA-DC) Cisco Certified Network Associate - Video (CCNA-VID) Cisco Certified Network Associate - Voice (CCNA-V)