Subject-matter expert
David Smith
David Smith brings 25 years of IT experience to his training. He also has a background in helping people learn IT, having served as CCIE bootcamp instructor prior to joining CBT Nuggets. David dates his love of technology to when he was 12 years old after his grandfather gave him a TRS-80 Model 1 for his birthday. In his spare time, David enjoys gaming, watching movies, music, and going off-roading.
Credentials
Certifications David Smith holds
Vendor-issued credentials David holds — the hands-on IT background behind the courses your team will train on.
- Cisco CCIE Enterprise and Data Center
- VMware VCP
Training coverage
Courses that carry David Smith's expertise into your team plan
Use these courses as proof of coverage for the roles and technologies your team needs to support.
Courses David Smith teaches
6 courses
Cisco
CCNP Data Center
Learn to configure and operate modern Cisco data centers in this CCNP Data Center course. Build practical skills for implementing and managing network, compute, storage, automation, and security technologies while you prepare for the 350-601 v1.2 DCCOR certification exam. The course focuses on modern tools and cutting-edge approaches used in today’s cloud-connected and AI-powered environments, like VXLAN EVPN, Intersight-managed systems, NFS, and iSCSI. Through hands-on training that’s actually relevant to real-world jobs, learn how to operate, scale, and modernize enterprise data center infrastructure and pass the core exam for the CCNP Data Center.
Cisco
CCNP Service Provider
This intermediate Cisco CCNP Service Provider training prepares network engineers for the 350-501 SPCOR exam, the core requirement for the CCNP Service Provider certification. The training covers the full scope of service provider network engineering, including core architecture, networking, segment routing, QoS, and automation. Gain hands-on expertise with technologies such as Segment Routing for IPv6 (SRv6), Routed Optical Networks, App-Hosting on IOS XR and IOS XE, BGP PIC and Additional Paths, Segment Routing Flexible Algorithm, and Secure Zero-Touch Provisioning (ZTP). This Cisco training is designed to help you build and maintain scalable, secure, and resilient service provider networks.
Cisco
Cisco Security Essentials
This Cisco Security Essentials course prepares IT professionals to defend modern enterprise infrastructure using Zero Trust principles and consistent policy enforcement. Dive deep into the Cisco Secure Reference Architecture (SRA) to explore PKI foundations, identity-based access control with Cisco ISE and Duo, and integrated cloud security. This course covers advanced network protection, including SD-WAN integration with Umbrella and workload security across multi-cloud environments. You’ll also get comfortable with XDR orchestration by leveraging Talos threat intelligence and using ThousandEyes for end-to-end visibility. Once you’re done with this course, you’ll have the expertise to design and deploy a resilient security fabric across any enterprise landscape.
Cisco
Cisco SPRI
This Cisco SPRI course is designed to help you earn your CCNP Service Provider certification and ace the 300-510 SPRI v1.1 exam. Ideal for professionals in service provider environments, this course covers advanced routing technologies essential for maintaining complex digital networks. You'll dive into topics like CGNAT, NAT64, MAP-T, SRv6 with Flexible Algorithm, and multicast protocols such as IGMPv3, MLD, and Phantom RP. This CCNP Service Provider training is helpful as an SPRI study guide, and delivers practical, job-ready expertise for service provider engineers.
Cisco
ENCC
This Designing & Implementing Cloud Connectivity v1.0 (300-440 ENCC) training prepares you to connect an enterprise network to cloud providers. You’ll explore cloud architecture models and learn how private, public and SaaS connectivity extends your network. Learn to design secure tunnels using IPsec, GRE and SD‑WAN, integrate SaaS/IaaS platforms, and design OSPF/BGP overlays. You’ll practice troubleshooting, automation and policy‑based routing so your connectivity stays available, secure and performant. This expert-led course aligns with the Cisco ENCC exam and can get you one step closer to earning your CCNP Enterprise certification.
CompTIA
CompTIA CloudNetX (CNX-001)
Hybrid and multi-cloud growth puts network teams in a difficult spot. When connectivity, routing, failover, and access controls are designed in isolation, cloud network changes can cause outages and security gaps. This CompTIA CloudNetX (CNX-001) course gives IT Directors a way to build one shared design and troubleshooting standard across network and cloud engineers. Across 39 skills, learners cover VPC/VNet architecture, subnetting and hybrid IP addressing, hybrid and multi-cloud connectivity, transit and hub-and-spoke topologies, and load balancing. They also study DNS, DR networking, segmentation, encrypted connectivity, cloud firewalls, and Zero Trust networking. The course stresses documenting baselines and proving that traffic actually flows, not just that a tunnel shows "up." Its implementation work includes an AWS site-to-site VPN with a customer-managed gateway. The course closes with operations. Learners practice traffic logging, health monitoring, and structured troubleshooting of routing symmetry, addressing, application access, and security misconfigurations. They also cover performance optimization and automation drift. At about 34 hours per learner, the course fits a CNX-001 certification push or a standardization effort ahead of a migration or architecture change. Training Managers can use CBT Nuggets Playlists to assign the right sequence and Team Reporting to track completion across the team.
Buyer proof
How Comcast Saved Hundreds per seat with an Efficient, Scalable Training Program by CBT Nuggets
Enterprise Tech / Telcom · Florida, U.S. · 29
Comcast’s Sales Engineering division has a highly technical job, and needed a training solution that could keep up. CBT Nuggets helped them reduce their per-SE training cost by hundreds per seat, and is now the training standard across 10 out of 13 Comcast SE regions.
Read the full case study“CBT Nuggets is interesting because they can give you these little certificates that say, hey, you completed this content and got certified. As a policy, we accept that.”
Chris Layfield
Director of Engineering at Comcast Business