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Talend Interview

25 Questions and Answers Written by Rachelle Enns

Written on December 22nd, 2018 | Rachelle is a job search expert, career coach, and headhunter
who helps everyone from students to fortune executives find success in their career.
Question 1 of 25
Tell me a few of the data migration best practices that you follow on a regular basis.
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How to Answer
A data migration strategy should always be planned out before a project start. Successful migrations are based on accuracy and organization. Some best practices include:

- Performing a complete audit of the data, you will be migrating
- Immediately resolving the issues, you find in your data
- Putting controls in place to maintain the quality of your information
- Using tools to track and report on data quality/data integrity properly

Share with the interviewer that you understand how data should best be handled and maintained.

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Question 2 of 25
How do you prioritize multiple projects when they all seem equally important?
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How to Answer
When working for Talend, you will need to take on multiple projects or clients at a time. They are a busy organization and need to know that you can keep up with their pace. Prioritizing is a skill that requires practice. There are many approaches you can take.

Here are some suggestions:

1) Make a list. By thinking through and writing down each item that needs completion, you can better visualize your approach.
2) Mark what is urgent or essential. Take into account deadlines and meetings. If a project management tool is available to you, like Trello or Asana, utilize its features to keep yourself organized.
3) Order each task based on effort and estimated value.
4) Consider due dates and how long it will take to do each item.

When answering this question, show the interviewer that you have a system in place that helps you to think through what needs to happen, and when. The better you can prioritize, the more productive you will be, making you an asset to Talend!

Question 3 of 25
What are the open-source cloud databases? Are these the best ones to use for our clients?
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How to Answer
The interviewer is looking for your knowledge around cloud databases and your ability to understand and discuss the debates around how database model and service should be structured. There is never one right view in these debates so make sure you present more than one.

The goal here isn't to memorize all the databases in the market and compare. Focus on topics around the database that would be most relevant to Talend's clients. Research the latest trends in the cloud database and throw one or two in your answer to demonstrate that you are up to date on this important topic.

Question 4 of 25
Explain to me the concept of hyper-converged infrastructure.
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How to Answer
Hyper-converged infrastructure refers to the streamlining of data center resources, preparing information for the cloud, allowing businesses to more easily scale. The interviewer would like to see that you understand this concept. Give a brief overview of your HCI knowledge. If you are unsure, there are many resources online where you can gain a better understanding.

Some of the benefits of HCI are:

- Flexible structure, allowing companies to scale much easier
- Lower costs, due to being more efficient, amounting to less IT overhead
- Automation, simplification, and better support
- Increased data production

Question 5 of 25
What are the benefits of leasing a private data center vs. building one from scratch?
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How to Answer
There are many benefits to either leasing a data center as opposed to building one and vice versa. The interviewer would like to see that you understand the expenditure and risk that comes with either option.

When it comes to leasing a private data center the benefits include:

- Fewer upfront costs
- More predictable expenditure
- Ability to scale more easily
- Option to contract the experts as opposed to hiring them full time

If a company built their own data center the benefits could be:

- Ownership and complete control of all operations
- More control over your location
- Ability to lease out extra space to other businesses

Discuss with the interviewer the benefits of each, without swaying too far when it comes to your opinion.

Questions 6 through 25
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Writers for Talend SA Answers and Questions

Rachelle Enns
Rachelle Enns is a job search expert, executive headhunter, career catalyst, and interview coach. Utilized by top talent from Fortune companies like Microsoft, General Electric, and Nestle, she helps professionals position themselves in today's competitive digital marketplace. Rachelle founded Renovate My Resume and Executive Resume Solutions, two companies focused on helping job seekers get their edge back. She helps everyone from new graduates looking for their first placement, to CEO's who want more out of their career. Rachelle coaches students to executives on how to master the toughest interview questions and how to handle the most bizarre interview situations; all with confidence and poise. Rachelle trains other career coaches, recruiters, and resume writers, globally. A big part of her job is also spent coaching HR professionals on how to bring the human touch back into their interview and hiring process.
Jen Hong
Jen Hong is currently a freelance writer and consultant while she is getting her Executive MBA and taking courses in innovation, data analytics and blockchain. She has worked as a strategist in financial services, fintech and health tech. She has interviewed with over 45 tech companies in the last 2 years (across various industries) and also has 2-3 years of experience interviewing interns, analysts, managers, and some senior executives as the operations lead.
Marissa Letendre
Marissa Letendre is a seasoned HR professional, recruiter, and resume writer, with an extensive background in consulting for startups, small, and mid-sized businesses. As an expert in the HR/recruitment industry, she has contributed to, The Undercover Recruiter, and other top industry publications. As someone who understands the industry from both sides: the company and the candidate, she is able to craft strategies which create mutual benefits and profitable results.
Published: 12/22/2018

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