Rahul Joshi’s Post

Throughout my career in IT, telecom and network infrastructure, I owe much of my success to partnering with great Network Engineers. Your business can't run without the network. But what do network engineers even do? Here's a short list: - Design network layouts - Monitor network performance - Manage IP addressing schemes - Provide technical support and training - Keep accurate records of the network architecture - Ensure the network is protected against threats - Automate repetitive tasks and processes - Identify and mitigate security risks - Analyze network traffic patterns - Balance traffic across servers - Develop disaster recovery plans - Fix it when the internet goes down - Conduct network capacity planning - Set up and manage routers and switches - Ensure compliance with policies and regulations - Coordinate with external stakeholders for projects - Keep all hardware and software up-to-date - Troubleshoot connectivity issues - Optimize network efficiency - Set up firewalls and VPNs Next time you see a network engineer make sure you say thank you. #networkengineers #networkengineering #techjobs #techcareers #informationtechnology #ITjobs #ITcareers

Can a L1 Service Desk Role Fast-Track Your IT Career Skills? Answers: https://lnkd.in/ganp7Jpn #ServiceDesk #CareerGrowth #ITSkills Hey everyone! 😊 I'm curious to hear your experiences with Service Desk L1 jobs. Have you found yourself in a position where you not only tackled daily tasks but also picked up some valuable skills that helped you level up in your career? Here are a few areas I’ve been thinking about that could really boost your skills on the job: Enterprise Networks: Understanding how networks operate can be a game-changer. VLANs and Switches: These components are crucial for managing data traffic efficiently. IPv4 vs IPv6: Knowing the difference between these two can greatly enhance your troubleshooting skills. Security Measures: It's essential to know how to protect your systems from threats. Scripting: Learning some basic scripting can automate tasks and streamline processes. Endpoint Configuration Managers: Managing devices effectively is key in any IT environment. Imagine being able to learn these things right at your job instead of having to do it in your spare time! It can make such a difference in your professional development a...

Network Architect

Confession of a Network Admin: Complacency is my biggest mistakes (and how you can avoid them!) Admit it or not, the longer we stay in the same role managing the same job as network admin (or any role actually), there is a growing mindset that "everything is under control". Following mistake commonly follow in this situation: 1. Overconfident attitude - Experienced network admins may feel they know their networks inside and out, and start to compromise proper documentation and other processes. However, relying solely on memory or individual expertise can be risky, especially in complex environments or during personnel changes. #invest: Spend time in process and procedure upfront. In the long run, you will save invaluable time and mitigate risk accociated with knowledge gaps and people turnover. 2. "Just this one time" shortcut - If you start scoffing in this topic, that's mean we have been in that moment. As experience engineer, we know how to do "quick fix" in our configuration. Often with temporary bypass, open certain ports or protocols, sudden remote access to new device etc all for the sake of quick troubleshooting. Until we forgot what we have bypass or which unauthorized access are left open. #BeThorough: Take the extra time to follow best practices, even when under pressure. 3. The "someone else problem" - In complex organization where there are lots of domain, department, partner developer involve, we can easily trap in this attitude. And I hate it the most. Network is a chain, so when there is problem outside your domain, it will soon reach to you. #collaborate: there is no contribution too small to solve network error. Have a great weekend ahead.

Hey LinkedIn Family! Recently I have been going through multiple interview rounds in various companies and here are some of the questions I came across throughout the recruitment process. Sharing it with you guys as it may help candidates looking out for opportunities in L1 or L2 Network Engineer roles. (Exp : 0-2) Theoretical 1. What is BPDU Guard? 2. What is loop-back detect? 3. What is the Spanning tree protocol? How are loops avoided in STP? 4. Explain the election process of Root Bridge in STP 5. What is the convergence period in RSTP? Why is convergence faster in RSTP? 6. What is a VLAN? What is the difference between the collision domain and the broadcast domain? 7. Explain VTP and DTP. 8. What is VTP pruning? what are the three modes in VTP? 9. Explain the working of DNS and DHCP. 10. What is APIPA IP? What is the range of APIPA IPs? 11. Why is DR elected in OSPF? 12. How are DR and BDR elected in OSPF? 13. What is Type-3 and Type-5 LSA? 14. What are the types of networks in OSPF? 15. What is the difference between Pvt IP and Public IP? 16. What is the range of Class B IP? Practical/ Scenario based : 1. Explain the process of image (IOS) upgrade in CISCO. 2. How to mitigate broadcast storms? 3. How to integrate a brand new router into the network? Feel free to express your thoughts on this and do share this if you find the information useful.

Can a L1 Service Desk Role Fast-Track Your IT Career Skills? Answers: https://lnkd.in/g_NrNEYy #ServiceDesk #CareerGrowth #ITSkills Hey everyone! 😊 I'm curious to hear your experiences with Service Desk L1 jobs. Have you found yourself in a position where you not only tackled daily tasks but also picked up some valuable skills that helped you level up in your career? Here are a few areas I’ve been thinking about that could really boost your skills on the job: Enterprise Networks: Understanding how networks operate can be a game-changer. VLANs and Switches: These components are crucial for managing data traffic efficiently. IPv4 vs IPv6: Knowing the difference between these two can greatly enhance your troubleshooting skills. Security Measures: It's essential to know how to protect your systems from threats. Scripting: Learning some basic scripting can automate tasks and streamline processes. Endpoint Configuration Managers: Managing devices effectively is key in any IT environment. Imagine being able to learn these things right at your job instead of having to do it in your spare time! It can make such a difference in your professional development a...

Network engineer

Network Troubleshooting

What Is the Difference Between System Administrator and Network Administrator? When it comes to IT, a variety of job roles fall under the same umbrella term. Two of these roles, system administrator and network administrator, might sound interchangeable. Still, they do have differences that set them apart. System administrators are responsible for managing and maintaining computer servers and systems. Responsibilities of a system administrator typically include managing operating systems, upgrading software/hardware, troubleshooting technical issues, managing user accounts, and maintaining network file systems. They are responsible for ensuring computer systems run smoothly and meet the organization's needs. On the other hand, network administrators focus on network-related tasks, like configuring routers and maintaining LANs. This includes setting up network devices, monitoring network performance, troubleshooting network issues, and implementing security measures. Network administrators work to establish and maintain stable and secure networks that facilitate effective communication and data transfer within an organization. #systemadministrator VS #networkadministrator

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