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Garmin Interview
Questions

28 Questions and Answers by Ryan Brunner

Published December 6th, 2019 | Ryan has over 10 years of experience interviewing
candidates in the healthcare, public service, and private manufacturing/distribution industries.
Question 1 of 28
If hired here at Garmin to develop iOS and Android software, when would you use a fragment rather than an activity?
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How to Answer
In the development of apps for both iOS and Android, using code to create an activity versus a fragment is a highly debated topic to this day. For this question, your interviewer is looking to hear that you understand what the differences between the two are and when you feel that using a fragment is the proper direction to go. Make sure to speak to the high level overview of what an activity does to an app versus fragments.
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1.
If hired here at Garmin to develop iOS and Android software, when would you use a fragment rather than an activity?
In the development of apps for both iOS and Android, using code to create an activity versus a fragment is a highly debated topic to this day. For this question, your interviewer is looking to hear that you understand what the differences between the two are and when you feel that using a fragment is the proper direction to go. Make sure to speak to the high level overview of what an activity does to an app versus fragments.

Ryan's Answer #1
"As a best practice in my development of Android apps in the past, activities are really the complete screen that a user experiences as part of the app. Fragments are really small sub activities that take place within the activity. Because fragments within an app have their own life cycle and receive their own input events within the app, there are specific times where fragments make the most sense to use in development. In my experience, I always use fragments when the app is working with UI components that are going to be uses across multiple activities within the app. As well, fragments have also served very well when using swipe views within the app."
Ryan's Answer #2
"In the past year, I honestly don't recall designing a new app that ran solely on an activity alone. The fragments are almost necessary today to bring life to an app. I use retained fragments to persist across activity restarts within the app and this helps make a user friendly experience for our end users."
2.
What experience do you have in the different types of software maintenance?
As a reputable company, Garmin takes their software maintenance processes seriously and your interviewer is looking to hear that you are familiar with the four different types of software maintenance. Talk to your interviewer about any work you have done in the past with corrective, adaptive, perfective and/or preventative software maintenance. Use specific examples and make sure that your interviewer walks away from your conversation knowing that you understand the importance of proper system maintenance.

Ryan's Answer #1
"Being familiar with all four types of software maintenance, my most used method of maintenance in my current role is corrective. Based on bug reports from end users, I work through coding and logic issues to resolve issues in a timely and effective manner. In the maintenance I perform, I never hesitate to pick up the phone and contact customers to hear first hand about what they are experiencing. By doing this, they feel like they are an important part of the process and it reflects well on me and my organization."
Ryan's Answer #2
"In my current role, I'd definitely say that a majority of the maintenance work that I do is adaptive maintenance. Working in banking software that is used around the globe, I help perform system maintenance for changes in currency on a pretty regular basis. This work requires research and talking with end users to help adapt the programs for their use. If hired here at Garmin, I also have experience performing perfective, preventative and corrective maintenance on software as well."
3.
At Garmin, we take security risks very importantly in our products. In your experience, what are the biggest security risks in software and what is your experience in any prevention methods?
As an expert in software industry, you are obviously aware of the many security risks that systems face in this day and age. For your answer to this question, talk knowledgeably about the security risks that you are most familiar with combating in your day to day work. Explain why the posed risk is important to combat against and talk about the methods you used to minimalize risk in the finished product.

Ryan's Answer #1
"As I'm fully aware, cyber-security has become a very important issue over the past ten years. In my current role, our biggest security risk is injection of code used by hackers to access information in our web applications. To help prevent any risks associated with injection, we've implemented the use of a safe API and using specific LIMIT and other SQL controls within queries to prevent loss of records in case of an injection."
Ryan's Answer #2
"In the healthcare field where I currently work, broken authentication vulnerability has allowed attackers to hack into electronic medical records and gain control over those systems. This type of attack potentially puts hundreds of thousands of people at risk within a given system. We use many methods to prevent this type of security risk. First, we take the time to properly test the code before rolling out new updates to software. We also utilize very detailed external security audits. Other details we have implemented have been multi-factor authentication processes and recommendations to align password requirements with the NIST guidelines."
4.
What software analysis and design tools do you have familiarity working with?
As a software engineer for Garmin, your interviewer wants to hear that you have experience in utilizing tools that you make you more proficient in your work. Dig back on your past experiences and talk openly about your experiences with the different analysis and design tools that are available to help you be better in the work that you do. In the end, make sure that your interviewer understands that you are proficient in the use of these tools and open to learning and using new tools as well.

Ryan's Answer #1
"As my career and experience in software engineering has grown over the years, I've come to really appreciate and utilize these tools that are available. A great example of this would be my recent education and use of Structured English for designing insurance claim software for a large auto insurer. The simplicity of the structured decisions in the program were a perfect example of a program that could utilize the tool and the end product ended up very functional for our customer."
Ryan's Answer #2
"I have great working knowledge in creating and reading data flow diagrams. To help with both our own sales staff and with customers, DFD's have been super helpful and I consider myself very proficient in creating them. I've also recently been introduced to decision tables to aid in product testing. I was working on a new system that involved some very complicated business rules and the decision table helped outline everything perfectly for our testing."
5.
What do you feel are the primary features and benefits of the Java programming language?
As a company that utilizes Java, Garmin and your interviewer want to make sure that you have an understanding of the Java programming language and they do so by asking this question. Obviously a language packed with unique features, talk about the features that you can speak the most knowledgeably about and tie your direct experience to.

Ryan's Answer
"When I started working with Java three years ago, the first huge benefit was the fact that the Java syntax was based on C++. At that time, I had a great working knowledge of C++ and my transition to Java was absolutely seamless. The other amazing feature that I've come to appreciate with Java is how robust the memory management is in exception handling and automatic garbage collection."
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