NHPREP Blog
Insights, tutorials, and tips for networking and security professionals.
CCNP Enterprise Network Troubleshooting Deep Dive
A deep dive into CCNP Enterprise network troubleshooting methodologies and real-world case studies covering VLAN trunk issues, NAT misconfigurations, and access control problems.
CCNA DNS Deep Dive: A Backbone of Networking
A comprehensive DNS deep dive for CCNA candidates covering name resolution, DNS hierarchy, record types, caching, security, and troubleshooting techniques.
How to Build a CCNA Certification Practice Lab | NHPREP
Step-by-step guide to building your own CCNA certification practice lab — compare platforms, map exam blueprint topics to hands-on tasks, and configure real topologies.
SDN Plus Workbook: SDA & SD-WAN Lab Guide for CCNP
A comprehensive SDN Plus Workbook covering 29 SDA labs and 26 SD-WAN labs with step-by-step configurations for CCNP Enterprise certification preparation.
ISE 2.4 Labs: Complete Hands-On Guide for CCNP Security
A comprehensive hands-on guide to ISE 2.4 labs covering password policies, identity groups, 802.1X wired authentication, VLAN assignment, and authorization profiles.
CCIE EI V1.1 Rev 2 Workbook: Complete Lab Guide & Study Plan
A deep-dive guide to the CCIE EI V1.1 Rev 2 Workbook covering all 13 modules, 200+ labs, and the hands-on skills you need to pass the CCIE Enterprise Infrastructure lab exam.
AI Skills Primer for CCNP Candidates | NHPREP
Essential AI skills every CCNP candidate needs to know — from generative AI fundamentals to agentic automation and AI risk mitigation in networking.
AI in Cisco Certifications: How to Elevate Your Expertise
AI is reshaping Cisco certifications. Learn what AI topics appear on exams, how job roles are shifting, and how to build the AI skills that matter.
AgenticOps: Autonomous Self-Healing Firewall Operations
Discover how AgenticOps transforms firewall management with autonomous AI agents that detect, diagnose, and remediate issues in seconds.
Agentic AI for Network Engineers | NHPREP
Discover how agentic AI empowers network engineers with autonomous agents, tool calling, reflection, and multi-agent architectures for modern network operations.
Advanced YANG Data Modeling for Cisco NSO | NHPREP
Deep dive into advanced YANG modeling techniques for Cisco NSO service development including XPath, leafref, tailf extensions, and CLI customization.
Advanced Terraform Techniques: Beyond the Scaffolding
Go beyond basic Terraform with advanced techniques like version management, code formatting, dependency graphing, interactive console, and reusable modules.