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Derek Halverson
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CCNA
Cisco
Understanding of Cisco Network Devices
Cisco
Cisco Certified Specialist - Enterprise Core
Cisco
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Cisco
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco
Understanding Cisco Network Security
Cisco
Cisco Certified Specialist - Security Core
Cisco
Cisco Certified Network Professional Security (CCNP Security)
Cisco
Cisco Certified Specialist - Network Security VPN Implementation
Cisco
Implementing and Operating Cisco Enterprise Network Core Technologies
Cisco
Implementing and Operating Cisco Security Core Technologies
Cisco
Implementing and Configuring Cisco Identity Services Engine
Cisco
Implementing Secure Solutions with Virtual Private Networks
Cisco
Securing the Web with Cisco Web Security Appliance
Cisco