
Keith Barker
Networking & Network Security
68 courses. Pick a level or audience to narrow the list.
Where teams start
Most teams assign CCNA (200-301) v2.0 or CompTIA Network+ (N10-009) first to standardize fundamentals like VLANs, trunks, subnetting, and OSPF. Engineers then branch into CCNP, Juniper, F5, wireless, or automation tracks.
This ENARSI 300-410 v1.1 training focuses on implementing advanced enterprise routing technologies and services, while preparing you for the CCNP Enterprise concentration exam with unlimited practice exams and virtual labs. It’s for people who want to deepen their understanding of Layer 3 routing, VPN services, infrastructure security, and core network services used in real enterprise environments. The course covers how to deploy and operate technologies like OSPF, EIGRP, BGP, MPLS, and DMVPN, along with the policies and controls that keep large networks stable and secure. Troubleshooting plays a larger role in ENARSI v1.1, so this updated course emphasizes how to diagnose routing and service issues using telemetry, NetFlow, and Cisco Catalyst Center Assurance.
Keith Barker, Knox Hutchinson
Learn to design enterprise networks that are resilient, secure, and ready for hybrid and cloud environments with this CCNP Enterprise course. This 300-420 ENSLD v1.1 training reflects Cisco’s updated exam. It focuses on how modern enterprise networks are actually designed, covering routing and addressing strategies, high-availability campus design, SD-WAN and cloud connectivity, multicast and QoS, plus automation and telemetry concepts. Don't just memorize configurations. Practice making the kinds of design decisions engineers face when building campus and WAN networks that connect cleanly to cloud services.
Jeff Kish, Knox Hutchinson, John McGovern
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.
Jeff Kish, David Smith
Advance your networking career with this CCNP ENCOR (350-401) v1.2 training, and get ready to earn the CCNP Enterprise certification. Learn advanced routing, network security, network automation, and virtualization technologies like VRF and GRE tunneling to manage complex networks. This training covers key exam topics such as Cisco SD-WAN, SD-Access, QoS configuration, and Cisco DNA Center workflows. You'll leverage virtual labs and a 350-401 ENCOR practice exam to gain hands-on experience configuring Cisco hardware and software. You'll also build essential skills in troubleshooting, Multicast tree architectures, and infrastructure security. This ENCOR training is ideal for network administrators and IT teams, and equips you with the advanced skills you need to thrive in enterprise environments.
Jeff Kish, Keith Barker, John McGovern
This JNCIA-Junos (JN0-105) training gives network administrators a working foundation in networking essentials and Junos OS. It covers the CLI and J-Web interfaces, configuration management, the control and forwarding planes, routing fundamentals including IPv4 and IPv6 subnetting, static routes, longest-match routing, and class of service (CoS), and how to build routing policies and firewall filters. Device monitoring, troubleshooting tools, software upgrades, and password recovery round out a course that follows the official exam objectives. For an IT Director running Juniper in the network, this is the documented standard administrators are held to for configuring and maintaining Junos devices. Juniper retired the JN0-105 exam on 5 April 2026 and now offers JN0-106 for the same JNCIA-Junos credential, so check the current objectives before anyone books a seat.
Knox Hutchinson, Kelvin Tran
This entry-level CompTIA Network+ (N10-009) training builds working networking skills with hands-on virtual labs. It covers the OSI model and TCP/IP, subnetting, configuring routers, switches, and firewalls, troubleshooting common connectivity and performance issues, basic network security, managing Intermediate Distribution Frame (IDF) and Main Distribution Frame (MDF) wiring, and zero-trust architecture concepts. Network+ validates fundamental networking knowledge without tying your team to a single vendor's equipment. For an IT Director building a help desk or junior network team, Network+ is the standard first credential: it confirms that new administrators can configure and troubleshoot a network before they touch production. New IT professionals and career changers earn the same certification on the same path.
Keith Barker
Browse by sub-domain
The Networking catalog by specialty — each sub-domain page carries every course for that area.
Capability ladder
The most popular Networking courses at each level — from first steps for new team members through expert tracks.
Recently added
The latest Networking training added to the catalog — new courses land here within a day of publication.
Vendor coverage
The vendors behind the networking catalog — each vendor page maps its full certification landscape.

Hands-on Networking practice
Human-led training is the point: engineers practice real skills with expert guidance, not just video playback.
Why CBT Nuggets
The platform features IT directors comparing training platforms ask about most often.
Full catalog
Everything else in the Networking catalog beyond the curated sections above.
Taught by IT professionals
Built and taught by engineers with decades of experience running real-world IT infrastructure — not crowdsourced contributors.

Networking & Network Security

Data Center & Network Design

Networking & Network Security
Team outcome
Structured networking and infrastructure paths give teams a shared baseline before outages, migrations, and escalations test them.
What the team gets: Reduce single points of failure across network, cloud, security, and systems administration responsibilities.
Common questions IT directors ask when evaluating Networking training for their team.
The path runs from entry-level support techs (Cisco CCST Networking, CompTIA Network+) through network administrators (CCNA, JNCIA-Junos, HPE Aruba Associate) to senior engineers and architects (CCNP tracks, BGP, CCIE Bootcamp). Specialist courses cover F5 BIG-IP operators, WLAN teams, packet analysts using Wireshark, and engineers moving into Python and Ansible automation.
Courses prepare learners for Cisco CCST, CCNA, CCNA Automation, and multiple CCNP exams such as ENCOR, ENARSI, and ENSDWI; CompTIA Network+; Juniper JNCIA, JNCIS, and JNCIP tracks; HPE Aruba HPE6-A86 and HPE7-A08; F5CAB1 through F5CAB5; Wireshark WCA-101; Red Hat EX457; and VCP-NV 2025. The vendor issues each certification; CBT Nuggets prepares the learner for it.
Start newer staff on CCST Networking or Network+, then move administrators into CCNA or JNCIA-Junos as the shared baseline. From there, assign by responsibility: CCNP Enterprise or JNCIS-ENT for campus and WAN, BGP and SP courses for edge and carrier routing, F5 BIG-IP for application delivery, and CCNA Automation before Advanced Network Automation with Cisco and Python.
It depends on the course. The F5CAB4 control plane course runs about 5 hours 22 minutes and the CCIE Bootcamp about 9 hours, while CCNA Automation and Advanced Network Automation with Cisco and Python each take roughly 32 to 33 hours, which most learners spread across weeks alongside project work.
The platform pairs on-demand video with virtual labs, practice exams, and pre- and post-assessments. Course content is practical as well, including live traffic capture in Wireshark, BGP neighbor configuration on Cisco and Juniper routers, and tcpdump captures on BIG-IP.
Team reporting shows per-learner progress and completion, cohort and group views, and completion exports you can use as audit evidence. It also shows IT Trainerbot usage, including top topics and the training the answers came from.
Assign a baseline course such as CCNA or JNCIA-Junos alongside the platform-specific course for the gear they will support, such as BIG-IP or Meraki. Internal Training can turn your own runbooks and SOPs into courses you assign and track the same way, so new hires learn both the technology and your procedures in one place.