Network Security Mock Interview

Master 23 Network Security interview questions covering firewalls, threat detection, and encryption protocols.

Question 9 of 23

How do you determine if a Network Security project has been successful? How do you measure up to your own definition?

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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.

"I hold both myself and my team to very high standards, realizing that our efforts are the only thing standing between the company's safety and a hostile attack which would put the company's data and financial security at risk. During my career and despite a growing number of cybersecurity threats and bad actors, I have a record of zero successful intrusions into the networks my team and I have managed."

William Swansen

This is a two-part question that seeks to understand both your knowledge of Network Security and the standards you hold yourself to. The interviewer may also be attempting to see if you have direct experience in the areas they need help with. Answer this question directly by first define the metric you use to measure success in either a common criteria or one you know the company uses. You can then describe a situation in which you exceed this metric.

William Swansen

"When managing the security of a network infrastructure, I strive to attain zero successful intrusions despite a high number of attempts. In my previous position, I was successful in achieving this during my entire tenure with the company."

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23Network Security Interview Questions & Answers

1.Since you are interviewing for a position in which you will make recommendations to customers about protecting their company's network, I'm curious about what you do to protect your own network at home.

2.As I understand it, the network is the most vulnerable part of a company's IT infrastructure. What is your opinion of this and how would you define the threat and risk to a company in terms of network security?

3.Many of our clients have been subject to repeated attempts to access their network from unauthorized sources. One type of attack we often see is brute force logins. How do you recommend they defend against this type of attack?

4.Although you are not an experienced network administrator, you should be fluent in the terminology used in our industry. Can you explain to me the difference between symmetric and asymmetric encryption and the benefits of each one?

5.We recently had a situation occur where a security problem occurred on our network and the person who detected it wasn't directly responsible for resolving it, even though they had the skills to do so. How would you have handled this situation?

6.Why should I hire you from the outside when I could promote someone from within?

7.What motivated you to enter the field of Network Security?

8.Why are you looking to change jobs?

9.How do you determine if a Network Security project has been successful? How do you measure up to your own definition?

10.What do you consider the greatest obstacle you've had to overcome as a Network Security Professional thus far? What steps did you take to overcome it?

11.What do you see as the primary business objective of someone in this position?

12.Describe a situation in which you embraced a new system, process, technology, or idea at work that was a major departure from the old way of doing things.

13.What are the three things that are most important to you in a job?

14.Tell me about a project that you planned. How did you organize and schedule the tasks?

15.Tell me about a time when you had to juggle several projects at the same time. How did you organize your time? What was the result?

16.The three key components of network security are securing the network infrastructure, user policies, and physical access. You've addressed how to secure the network infrastructure, so how do you address the other two challenges?

17.Can you discuss the key features of a Class 1 Firewall?

18.Are you familiar with the concept of 'Unified Threat Management' and can you describe it?

19.Give me an example of your analytical skills and how you apply them in the field of network security.

20.What's the most difficult part of being a Network Security Manager?

21.What would you do if a fellow manager on your own level wasn't pulling their weight and this was hurting your department?

22.What immediate changes would you make if you came on board?

23.Describe a situation in which you embraced a new system, process, technology, or idea at work that was a major departure from the old way of doing things.