Portfolio Website of CCIE Jiwan

Jiwan Bhattarai

Jiwan is an accomplished IT Security Engineer and Trainer with 15 years of expertise, focusing on certifications such as CCIE and CEH. Beyond his technical skills, he is a dedicated vlogger, mindfulness guide, and active social worker. Jiwan advocates for life skills, independence, and critical thinking in his teachings, empowering IT professionals, learners, and spiritual seekers alike. His holistic approach integrates technical mastery with personal development, aiming to cultivate balanced lives where both professional success and personal fulfillment thrive.

भस्त्रिका प्राणायाम ( Bhastrika Pranayama) किन गर्न जरुरी छ?

भस्त्रिका प्राणायाम ( Bhastrika Pranayama) किन गर्न जरुरी छ? भस्त्रिका प्राणायामलाई “सासको अग्नि ( Breath of Fire)” वा “बेलोज ब्रेथ ( Bellows Breath)” पनि भनिन्छ। यो एउटा शक्तिशाली योगिक श्वासप्रश्वास प्रविधि हो जसले शरीर र मस्तिष्कलाई ऊर्जा प्रदान गर्दै अक्सिजनको मात्रा बढाउँछ र ऊर्जा च्यानलहरू शुद्ध पार्छ। यो अभ्यासले शारीरिक स्वास्थ्य, भावनात्मक स्थिरता, र आध्यात्मिक […]

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Comprehensive approach for router and switch configuration hardening:

Below are the Comprehensive approach for router and switch configuration hardening general practices. Disable Unused Services and Interfaces Disable unnecessary services like HTTP, Telnet, FTP, and SNMP no ip http server no ip http secure-server no ip telnet server no ip ftp server no snmp-server Shut down unused interfaces and switch ports interface <interface> shutdown

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From OSPF Confusion to Interview Conviction (Recap OSPF in 30 min)

OSPF Decoded: Your Ultimate Interview Survival Guide   OSPF Overview OSPF is a link-state routing protocol used to make routing decisions based on the state of the network links. It operates within hierarchical areas and uses LSAs (Link-State Advertisements) to communicate the network topology to routers within an OSPF domain. Dividing networks into areas helps

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IT Infrastructure Migration: Comprehensive guide

Comprehensive guide for IT infrastructure migration, specifically tailored for migrating firewalls, routers, switches, load balancers (F5), Cisco ISE, Wireless LAN Controllers (WLC), and IDS/IPS appliances. The guide ensures a realistic, accurate, and systematic approach to follow during your migration project. Step 1: Define the Scope of Migration Understand Migration Objectives: Examples: Upgrading hardware, moving to

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Integrating Network and Security Components: A Practical Guide for IT Professionals

Step-by-step guide for IT infrastructure integration involving firewalls, routers, switches, load balancers (F5), Cisco ISE, wireless LAN controllers (WLC), and IDS/IPS systems. In today’s interconnected world, a seamless and secure IT infrastructure is not just a luxury but a necessity. Whether you’re setting up firewalls to protect sensitive data or optimizing wireless controllers for enhanced

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Comprehensive Guide to FortiGate Firewall Network Security Engineer Interview

  Comprehensive Guide to Selecting the Right FortiGate Firewall Model for Your Business Needs Selecting the appropriate FortiGate firewall model is crucial for ensuring optimal security and performance tailored to your organization’s specific needs. Below is a cheat sheet categorizing FortiGate firewall models suitable for various environments, including Small Office/Home Office (SOHO), Small and Medium

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Effective Communication Skills to Reduce Stress and Improve Relationships: A Guide for Students and Professionals

Effective communication is essential for both students and professionals. It plays a significant role in reducing stress and building strong relationships, both personally and professionally. Whether you’re in the classroom, at work, or in social interactions, communication skills are a cornerstone of success. In this detailed guide, we will explore what communication skills are, why

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