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Zscaler Interview

26 Questions and Answers Written by Tom Dushaj

Written on March 7th, 2019
Question 1 of 26
There are different levels of data classification, how are they structured, and why are they required?
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How to Answer
With a heightened level of data security taking place throughout the world, protecting customer data has never been more important. In this day and age, data has become a valuable commodity, and companies go to great lengths to protect it at all costs. When asked by the hiring manager, don't be afraid to offer examples of how you set data classification policies or reclassified data to a classified status with access limited to administrators for example. Also, highlight your knowledge about the different levels of data classification too (IE. Restricted, Private and Public).

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Question 2 of 26
What is the difference between Asymmetric and Symmetric encryption and which one is better?
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How to Answer
When comparing Asymmetric and Symmetric encryption, there are many things you need to be aware of. Not only will you need to know the difference between the two, but how they are used, and which one is better in a particular situation. It's important that you can articulate to the hiring manager examples of how you used both in specific situations and what you did to put an air-tight security solution in place that is impenetrable. Cyber Security has become one of the most important topics in technology today. Anytime you're processing credit card transactions through a payment gateway online, or at a brick and mortar retail store, you're dealing with vital consumer information, and hiring managers are going to want to hear how you keep these things protected.

Question 3 of 26
Tell me what your favorite security assessment tools are, and why you prefer them over others?
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How to Answer
There are several good software security assessment tools in the market that can get the job done very efficiently. Here are just a few that are among the more popular in the market: Metasploit, Wireshark, Nikto, Retina CS, and Aircraft.

The goal of the hiring manager is to get you to talk about your favorites so they can accurately assess your knowledge and competency with these tools. When you talk about your favorites, start from the one you like most, and try to limit it to no more than three. Ideally, you should have used all three extensively and can talk at a detailed level about what these tools can do better than others in the market. If you enjoyed working with these tools, and are passionate, let the manager know how excited you are about these tools, and why they are your favorites.

Question 4 of 26
One of the most prevalent types of attempts at intrusions we see when monitoring our clients' networks is a Distributed Denial of Service (DDoS) attack. Can you explain what a DDoS is and what you would recommend to clients to prevent it?
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How to Answer
The interviewer is testing your knowledge of cybersecurity and attempting to ensure that you will be able to interface with clients on both a business and technical level when presenting them with the services their company offers. This type of question is best answered with a direct answer describing the topic and how you would discuss it with a client.

Question 5 of 26
Can you name some open source cloud computing platform databases?
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How to Answer
By asking this question, the interviewer is testing your knowledge of open source cloud databases and trying to learn if you are familiar with and can offer options to your customers. The best way to answer this question is to name the databases you have knowledge of and recommending which one is best for your customer's requirements.

Questions 6 through 26
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Writers for Zscaler, Inc. Answers and Questions

Tom Dushaj
Tom Dushaj is a business and technology executive and an accomplished author of the book "Resumes That Work". Tom has vast experience providing solutions to Fortune 500 companies in the areas of Information Technology Consulting, ERP Software, Personnel Management and International Business Operations. His work experience includes Personnel Administration, Recruiting, Interviewing, Project Management, Career Counseling, as well as Manufacturing and Quality Assurance Consulting. You can find Mr. Dushaj's full profile at
William Swansen
William Swansen is an Author, Job Search Strategist and Career Advisor who assists individuals from all over the world and in a variety of professions in finding their ideal career position. His Services include: • Resume Writing • Cover Letter Writing • Updating your LinkedIn profile and teaching you how to make it work for you • Identifying Employers, including Hiring Managers and their Contact Information • Interview Preparation, Practice and Follow Up • Job Search Coaching You can learn more about William by visiting or on Linkedin: billswansen
Published: 03/07/2019

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