From my experience, the most important part of the interview is the energy that you bring to the table, the passion and enthusiasm.

Below are my favourite questions to ask at the interview(s):

  • Where do you think the company is headed in the next 5 years?
  • What is the retention rate within the company or even the IT department?
  • Who do you consider your top competitor, and why?
  • What is the hierarchical structure within the IT Department?
  • Do you outsource some of the infrastructure?
  • What types of training opportunities do you offer?
  • How is performance measured and reviewed?

Questions that you might be asked as a Network Engineer:

  1. What is your favorite routing Protocol and why?
  2. In TCP, explain the process of a 3-way handshake.
  3. Explain what a VLAN trunking protocol is and why it is useful?
  4. Can you explain the difference between 802.1q and ISL?
  5. Why is Spanning Tree used and can you explain the process?
  6. What is a root bridge and can you explain the benfit?
  7. What is the administrative distance of OSPF, eBGP, iBGP?
  8. Describe what a stateful firewall is?
  9. What is the difference between RIP and OSPF?
  10. What is a totaly stubby area in OSPF?

The above might be some of the questions that an interviewer might ask and could well be different or more so it’s best to be prepared!

“It’s better to be prepared for an opportunity and not have one, than to have an opportunity and not be prepared.” — Les Brown

Prepare for scenario based questions, for example:

  • If a client is working from home and is unable to connect to the work resource, what steps would you take to rectify the issue?
  • If you had a call from three different clients with different issues how would you address them?

Remember, keep it nice and concise and I am sure you will deliver it really well. 😄 👊

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