Phone interview - basic networking qns involving routing and switching concepts as well as wireless concepts: What is stp? What's the difference between rtsp and stp? What makes rstp converge faster? Two computers are connected via a L2 switch - explain the ping concept. Also, explain how the mac table on a switch gets populated Wireless: What's the difference between 2.4 and 5.0 GHz? What's difference between 802.11n and 802.11 ac? face to face interview - had 2 interviews They ask basic trouble shooting qns but some qns are quite tricky. They will draw a diagram on the baord with very little information. Your supposed to ask them questions and flesh out the answer. You should know your subnetting, stp, vlans,pings,arp, dhcp, dns
Network Engineer Interview Questions
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Describe TCP, DHCP and DNS. Than some customer support related questions your experience about good and bad customer experience?? How would you handle bad one? Also questions like what do you know about meaki?
1st Round has Questions on Aptitude,C Programming and Computer Networks Question's --> Fastness is the Key. 2nd Round --> Questions on Networking Protocols(TCP/IP), concepts (DHCP,NAT,Subnetting and many more and Coding Questions.
DHCP process, TCP vs UDP, OSI model
Tell me about yourself?
- General networking knowledge questions, TCP/IP difference, DNS, Routing vs Switching, OSI layers - A lot of questions regarding my resume, i.e. use of Wireshark - Why cisco? Why this role?
Why Cisco?
What is my knowledge about Krakow?
To find an element by using binary search tree. To implement queue functionalities using stacks.
Phone Screening: - they tell you a bit about Cisco Meraki - ask basic screening questions - What is DHCP, IP static routing, DNS, ICMP, Traceroute? -usually tell you right there if your moving to the next interview Technical Interview: - STUDY STUDY STUDY (go over some troubleshooting scenarios before this interview) - if a client calls and their computer is not turning on, what would the troubleshooting process look like for that? - If you are searching up something in a browser and it shows you an error message (no specific type of error message), what could that be? - If you have printed something to a printer and the printer has no received the information, what should you do? - Shown a topology with 2 PCs connected to a Switch's ports through f/a cables.... When PC-A pings PC-B, what will happen and how will the PCs be able to communicate. Final Interview: - This is not a technical interview so take a deep breath and relax lol (6-7 questions) - It is important to stay very relaxed and open in this interview because you are going to be talking about your character - Tell me about a time where you had to ask a question to a higher up or co-worker and what did you learn from it? (Be very detailed, you'll think they do not want to hear every little detail but they do!) - When given a task you are unsure of, what steps do you take to complete that task? (they want to know if you are willing to collab with co-workers and ask questions) - Tell me about a time when your workplace or professional environment went through a change you did not agree with or was unexpected. (Be smart about this answer! I answered when I had to switch from being remote to on-site after COVID) - Tell me about a time where there was a client or person who was struggling with something, and how did you handle the situation? - Tell me about a protocol or rule at work that was hard to understand, and how did you adapt to it?
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