Is CSMA/CD Still Used? Understanding Ethernet’s Collision Detection Legacy

Introduction: What is CSMA/CD? Carrier Sense Multiple Access with Collision Detection (CSMA/CD) is a network access method that was fundamental to early Ethernet networks. Its primary role was to orchestrate how devices shared a common communication medium (like a coaxial cable or a hub-based network segment) and to elegantly handle “collisions” – instances where multiple … Read more

Monitoring Traffic on a Cisco Router Interface

Monitoring traffic on a Cisco router interface is crucial for network administrators to ensure optimal performance, diagnose issues, and manage bandwidth effectively. This article provides an in-depth look at the commands used to check incoming and outgoing traffic on Cisco router interfaces. 1. Accessing the Router Before running any commands, you need to access the … Read more

Actualizaciones CCNA

2.5 Interpretar operaciones básicas de Rapid PVST+ Spanning Tree Protocol 2.5.a: Puerto raíz, puente raíz (primario/secundario) y otros nombres de puertos 2.5.b: Estados y roles de los puertos 2.5.c: PortFast 2.5.d: Root guard, loop guard, filtro BPDU y guardia BPDU 2.8 Describir el acceso de gestión de dispositivos de red (Telnet, SSH, HTTP, HTTPS, consola, … Read more

The Crucial Role of Networking Fundamentals in Cybersecurity Certifications

In the ever-evolving landscape of cybersecurity, the need for skilled professionals who can safeguard networks and data has never been greater. The journey to becoming a cybersecurity expert often begins with certifications, and while there are various paths to choose from, one common thread among them is the fundamental knowledge of networking and routing. In … Read more

Features of the online CCNA training offered by CCNAGuru

– Comprehensive coverage of CCNA 200-301 exam topics. – Full course material, including textbooks, study guides, and reference materials. – Interactive one-on-one training sessions with an experienced CCNA trainer. – Emphasis on hands-on learning through lab exercises and practical assignments. – Customized training schedules to accommodate individual preferences and availability. – Weekend sessions available for … Read more

Configure and Verify Syslog Levels on Cisco Devices

Introduction Syslog is a protocol used by network devices to send event messages to a logging server. Configuring Syslog levels on your Cisco devices can help you manage your network more efficiently by providing detailed event logs that can be used to troubleshoot issues and monitor network performance. In this article, we will guide you … Read more

CCNA Average Salary in USA 2023

The CCNA (Cisco Certified Network Associate) certification is a highly respected and widely recognized certification in the IT industry. It is designed to validate the skills and knowledge required to install, configure, and operate small to medium-sized networks. CCNA certification is a valuable asset for IT professionals looking to advance their career in networking. One … Read more

Houston, TX, USA CCNA Routing and Switching Instructor

As a Houston, TX, USA CCNA Routing and Switching Instructor with 15 years of experience in Cisco Networking Academy course, I have been delivering top-notch online trainings and certifications to students all over the world. My passion for teaching and mentoring young minds has enabled me to create a legacy of success stories in the … Read more

CCNA Certification Training in New York

New York City is one of the most diverse cities in the world, with a population that represents a wide range of ethnicities, nationalities, and cultures. This diversity creates a rich tapestry of experiences and perspectives that make New York a unique and dynamic place to live and work. In terms of IT job opportunities, … Read more

The Importance of CCNA Certification for Network Engineer Jobs

In today’s fast-paced and rapidly evolving technology landscape, it is critical for network engineers to stay ahead of the curve in terms of skills and knowledge. One of the best ways to do this is through obtaining a CCNA (Cisco Certified Network Associate) certification. CCNA certification is an industry-recognized credential that verifies an individual’s ability … Read more