
Discover how a network switch creates a centralized hub to connect multiple devices, enabling data exchange in a local network using dedicated cables and ports.
Cisco certification updates effective February 24, 2020 consolidate tracks under a single foundation unit, remove specializations, and enable concentration exams; entry-level certifications are retired and replaced by one exam pathway.
Discover the six CCIE certification tracks, including enterprise infrastructure and wireless, with prerequisites such as the security corps paper and CCIE security version 6.
Discover Cisco certification migration options for CCNA 200-301. Learn how pre-February 24 certifications convert to new statuses and the three-year recertification cycle, plus the migration tool.
Learn IPv4 addressing by understanding 32-bit binary representation, four dot-separated octets, and the conversion between binary and decimal forms for practical network addressing.
Verify the IP address with ipconfig and ipconfig /all to view the IP address, subnet mask, and default gateway; check DNS address and adapter details.
Explore how to meet a 30-host requirement using a class C network with a /27 subnet mask, enabling eight subnets and 30 usable hosts per subnet.
Explore how to fit a 1000-host requirement within a class B network using fixed-length subnetting, deriving a 1022-host subnet, subnet mask, and 64 subnets.
Learn to apply VLSM for a class B network by calculating diverse subnet sizes, subnet masks, and ranges, using slash notation and host/network bit concepts.
Explore VLSM in a class example by calculating network and host bits. Learn to allocate blocks and derive subnet ranges using slash notation for class B and C.
Explore how to design VLSM subnets for multiple branches using private 192.168 addresses, allocating 32, 16, 8, and 4-host blocks with appropriate slash masks and gateways.
learn to determine subnets, valid hosts, and networks from a /28 mask using host bits and subnet calculations. Identify the network id, broadcast, and ranges from these calculations.
Master subnetting with sample exam questions for CCNA 200-301, learning how to determine network IDs, first valid hosts, host ranges, and subnet masks using CIDR.
Course Description
This course is the First Part of the CCNA 200-301 Video Series, taught by Triple CCIE Certified Trainer Sikandar Shaik (CCIE ×3 – RS/SP/SEC).
The CCNA 200-301 certification is the foundational entry point into the world of IT networking. This module introduces you to the essential concepts that form the backbone of all networking technologies. It also prepares you for the Cisco Certified Network Associate (CCNA®) exam, the single exam required to earn the globally respected CCNA certification. The updated 200-301 exam blueprint, launched on February 24, 2020, reflects the latest skills and knowledge required in today’s IT and enterprise environments.
In this first part, you begin developing a strong understanding of how networks work—from basic terminology and device roles to core communication models and IP addressing. These concepts are fundamental for anyone starting a career in networking, cybersecurity, cloud, or systems administration.
The course explains each topic clearly and practically, helping you build confidence before moving to the more advanced sections introduced in later parts of the CCNA series.
Key Topics Introduced in Part 1
What is a network and how devices communicate
Networking models (OSI & TCP/IP)
Basic IP addressing and subnetting concepts
Types of network devices (switches, routers, firewalls, APs)
Fundamentals of wired and wireless communication
Overview of modern networking trends (security, cloud, automation)
This course is ideal for complete beginners, students transitioning into IT, and professionals preparing to build toward CCNA, CCNP, and advanced cybersecurity tracks.