Network+ Certification Exam Prep: Advanced Networking and Security
Build a strong foundation in routing, IPv6, virtualization, and modern security protocols to prepare for the Network+ certification exam.
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About this course
Course contents
5 modules · 27 lessons · 3h 2m
1
Foundations of Networking
Understand how data moves across networks using standard models and physical media.
- The Language of Networks
Introduction to essential networking terminology and basic components.6 min - The OSI Model: Layers 1-4
Breaking down the first four layers of the OSI model from physical to transport.7 min - The OSI Model: Layers 5-7
Understanding the upper layers responsible for sessions, presentation, and applications.7 min - The TCP/IP Suite
Comparing the theoretical OSI model with the practical TCP/IP protocol suite.6 min - Cables, Connectors, and Media
Identifying physical media types including copper, fiber, and their specific connectors.7 min
2
Logical Addressing and Routing
Master IPv4 and IPv6 addressing, subnetting, and the mechanics of routing.
- IPv4 Structure and Classes
Understanding the binary structure of IPv4 addresses and traditional classful addressing.7 min - Mastering IPv4 Subnetting
Learning how to divide networks using subnet masks and CIDR notation.8 min - Public vs. Private IP Addressing
Distinguishing between routable public IPs and private IPs using NAT.6 min - The World of IPv6
Introduction to the 128-bit address space and IPv6 address types.7 min - IPv6 Subnetting and Transition
How to subnet in IPv6 and transition from IPv4 using dual-stack or tunneling.7 min - Routing Fundamentals
How routers make forwarding decisions using routing tables and protocols.7 min
3
Infrastructure and Modern Technologies
Explore virtualization, cloud, WAN, and wireless networking design.
- Virtualization Concepts
Understanding hypervisors, virtual switches, and virtualized network functions.6 min - Cloud Computing Models
Analyzing IaaS, PaaS, and SaaS from a networking perspective.7 min - Modern WAN Technologies
Exploring SD-WAN, MPLS, and cellular technologies for wide area networks.7 min - Wireless Networking Standards
Comparing 802.11 standards, frequencies (2.4GHz, 5GHz, 6GHz), and speeds.7 min - Wireless Deployment Best Practices
Designing wireless coverage, site surveys, and antenna placement.7 min - Network Design Principles
Applying hierarchical design and redundancy for stable network configurations.7 min
4
Network Security and Zero Trust
Implement robust security measures and modern access control philosophies.
- Network Security Fundamentals
Identifying common threats and basic defense-in-depth strategies.6 min - Encryption and Security Protocols
Understanding how IPsec, TLS, and SSH protect data in transit.7 min - Zero-Trust Principles
Shifting from perimeter-based security to 'never trust, always verify' logic.7 min - Hardening Network Devices
Practical steps to secure switches, routers, and access points.6 min - Physical and Logical Access Control
Combining physical barriers with digital authentication (AAA).6 min
5
Troubleshooting and Operations
Apply systematic methods to identify and resolve network issues.
- Systematic Troubleshooting Methodology
Learning the 7-step CompTIA troubleshooting process.7 min - Troubleshooting Physical Issues
Diagnosing cable faults, interface errors, and hardware failure.6 min - Troubleshooting Logical Connectivity
Using ping, traceroute, and nslookup to find configuration errors.7 min - Network Monitoring Tools
Using SNMP, logs, and dashboards to maintain network health.6 min - Final Review and Exam Readiness
Synthesizing all concepts for the Network+ certification exam.8 min
The Hybrid Office Network Design Project
You are tasked with designing a network for a small company that uses both local servers and cloud services. You must create an IP addressing plan, choose appropriate wireless standards, and implement a zero-trust security policy.
What you'll get
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Certificate of completion
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Phone or computer
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Short & focused
3h 2m of practical content
Certificate of completion
Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.
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Frequently asked
What do I need to take this course? +
Just a phone or computer with internet. No installs, no special hardware.
How do I pay? +
By card via Stripe. We don’t store card details — Stripe handles them securely.
Can I get a refund? +
Yes — full refund within 14 days, no questions asked.
How long will I have access? +
Forever. Once you purchase, the course is yours to revisit anytime.
Will I get a certificate? +
Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.
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