CertExams.com offers a range of network simulation tools, including their "CCNA Netsim," designed to help individuals prepare for Cisco CCNA certification exams.1 It provides a virtual lab environment for hands-on practice with Cisco IOS commands.2
CertExams.com CCNA Netsim Overview
The CertExams.com CCNA Netsim acts as a standalone software that simulates Cisco routers and switches.3 Unlike some other simulators, it doesn't require a separate IOS image.4 It aims to provide a practical platform for learning basic networking design and configuration for aspiring network engineers.
Key features often highlighted include:
Router and Switch IOS Simulator: A console-based simulator that allows users to enter and practice Cisco IOS commands.
Network Designer (with specific versions): A graphical interface that enables users to design their own virtual networks by dragging and dropping devices and connecting them.5
Extensive Command Support: Supports a good number of Cisco IOS commands for thorough preparation.6
Pre-configured Lab Exercises: Comes with a significant number of pre-designed labs covering various CCNA topics.7
Lab Manual: A detailed manual often accompanies the software, providing step-by-step instructions for each lab.8
1. Available Labs
CertExams.com states that their CCNA Netsim typically includes 100+ lab exercises. These labs are designed to cover a wide array of CCNA topics and scenarios, including:
Network Fundamentals: Basic device configuration, IP addressing, subnetting.9
Network Access: VLANs, Trunking, VTP, Spanning Tree Protocol (STP), PVSTP.10
IP Connectivity: Static routing, OSPFv2, RIP v2.11
IP Services: NAT, DHCP, Access Control Lists (ACLs).12
WAN Technologies: Frame Relay, ISDN, sub-interfaces.
Security: Password hardening, basic security configurations.
Wireless LANs: Basic wireless configurations.
The labs are often scenario-based, providing real-world contexts to practice commands and understand network behavior.13 The software may also include options to bookmark labs, save/reload incomplete labs, and track completion status.14
2. Download Page Links
CertExams.com generally provides a trial or demo version of their CCNA Netsim for download, allowing users to experience a limited set of features and labs before purchasing the full version.15
You can typically find the download links on their official website. Here are the common pages where you might find the download for the CCNA Netsim or the combined Exam Simulator with Netsim:
CertExams.com CCNA Exam Simulator with NetSim Download Page:
https://www.certexams.com/download/ccna-simulator-netsim-download.htm
This page often provides direct download links for the combined product which includes both the exam simulator and the network simulator.
Cert-Ex™ Network Simulators and LabSims Home Page:
https://routersimulator.certexams.com/
From this page, you can often navigate to specific simulator downloads like "Cert-Ex™ Network Simulator w/ Designer for CCNA" or "Cert-Ex™ Network Simulator for CCNA (w/o Designer)".16 Look for sections like "Download" or "Download Trial".
Important Note: Always ensure you are downloading from the official CertExams.com website to ensure you get legitimate and safe software. The demo versions usually have limitations, such as a reduced number of labs or restricted command support, but they offer a good way to evaluate the product.17





