3par Recruitment Process, Interview Questions & Answers

3par's interview process typically includes a technical evaluation, focusing on hardware and software integration, followed by problem-solving interviews and HR rounds to gauge candidate fit and motivation.
4.3
based on 50 Reviews
About Company
Interview Guide
Interviews Experiance
FAQ's Questions

About 3par

Company Description

3PAR, a Hewlett Packard Enterprise company, is a leading provider of utility storage solutions designed for cloud computing and data center environments. Founded in 2002, 3PAR revolutionized storage architecture with its innovative approach to storage virtualization and data management. The company emphasizes a collaborative and dynamic work culture that fosters creativity, innovation, and employee development. The work environment at 3PAR is fast-paced and challenging, encouraging team members to think outside the box and contribute to cutting-edge technology solutions. Employees are empowered to take ownership of their projects, leading to high levels of job satisfaction and professional growth.

Software Engineer Interview Questions

Q1: Can you describe your experience with storage systems and virtualization technologies?

I have worked on developing and optimizing storage systems for the past three years, focusing mainly on virtualization technologies such as VMware and Hyper-V. My experience includes implementing storage solutions that enhance performance and reliability.

Q2: What programming languages are you proficient in, and how have you used them in your previous projects?

I am proficient in Java, Python, and C++. In my last project, I used Python to automate storage management tasks, which improved operational efficiency by 30%.

Q3: How do you approach debugging and troubleshooting in your code?

I follow a systematic approach to debugging, starting with reproducing the issue, reviewing the logs, and using debugging tools. I ensure I understand the entire flow of the application to identify where the issue might arise.

Q4: Can you give an example of a challenging technical problem you faced and how you resolved it?

In one project, we faced performance bottlenecks in our storage system. I analyzed the data flow and identified that our I/O operations were inefficient. I implemented caching strategies that reduced latency by 40%.

Q5: How do you ensure the quality of your code?

I follow best practices such as writing unit tests, conducting code reviews, and adhering to coding standards. Additionally, I use continuous integration tools to automate testing and deployment.

Systems Engineer Interview Questions

Q1: What experience do you have with storage area networks (SAN) and network-attached storage (NAS)?

I have over five years of experience in managing and configuring SAN and NAS solutions. In my previous role, I designed a SAN solution that improved data accessibility and redundancy for our clients.

Q2: How do you handle system performance monitoring and optimization?

I utilize monitoring tools like Nagios and SolarWinds to track system performance metrics continuously. I analyze this data to identify trends and optimize configurations accordingly.

Q3: Describe a time when you had to troubleshoot a complex system issue.

In my last role, we had a system outage due to misconfigured network settings. I quickly diagnosed the problem by reviewing system logs and reconfigured the settings, restoring operations within an hour.

Q4: What strategies do you use for ensuring data integrity and security in storage systems?

I implement multi-layered security approaches, including encryption, access controls, and regular audits. Additionally, I ensure that data replication and backup strategies are in place to prevent data loss.

Q5: How do you stay updated with the latest trends in storage technologies?

I regularly participate in industry conferences, read trade journals, and engage with online forums and communities to keep abreast of emerging technologies and best practices.

Sales Engineer Interview Questions

Q1: What experience do you have with selling storage solutions or similar technologies?

I have worked in sales for over four years, primarily focusing on IT infrastructure solutions, including storage systems. I have successfully closed deals by effectively communicating the technical benefits of our products.

Q2: How do you handle objections from potential clients?

I listen carefully to the client's concerns, validate their points, and provide tailored solutions that address their specific needs. Building trust through transparency is key to overcoming objections.

Q3: Can you explain a time when you successfully led a technical presentation?

I recently led a presentation to a large enterprise client, demonstrating how our storage solutions could meet their data management challenges. The presentation resulted in a significant contract win for our company.

Q4: What strategies do you use to understand a client's requirements?

I conduct thorough needs assessments through discovery calls and meetings. I ask probing questions to gain insights into their challenges and goals, ensuring that I can propose the best solutions.

Q5: How do you collaborate with engineering and product teams to ensure client satisfaction?

I maintain open lines of communication with both teams, providing client feedback and insights that inform product development. This collaboration ensures that we meet client needs effectively and efficiently.

Technical Support Engineer Interview Questions

Q1: What technical skills do you possess that are relevant to supporting storage systems?

I have a strong background in troubleshooting hardware and software issues related to storage systems, including RAID configurations and SAN connectivity. I am proficient in using diagnostic tools to identify problems.

Q2: How do you prioritize multiple support requests?

I assess the urgency and impact of each request, prioritizing critical issues that affect business operations. I ensure timely follow-ups and clear communication with customers regarding their support status.

Q3: Describe a difficult customer support situation you handled.

I once dealt with a frustrated customer experiencing data loss. I listened empathetically, provided clear steps for recovery, and worked diligently to restore their data, which ultimately restored their trust in our service.

Q4: What tools and software do you use for technical support?

I utilize ticketing systems like Zendesk for tracking support requests, remote desktop tools for troubleshooting, and knowledge base software to provide quick solutions to common issues.

Q5: How do you ensure customer satisfaction in your role?

I focus on clear communication, transparency, and timely resolutions. I also proactively follow up with customers after resolving their issues to ensure they are satisfied with the outcome.

3par Interview Guide

Company Background and Industry Position

3par has carved out a notable niche within the data storage and enterprise IT infrastructure sector. Originally an innovator in providing scalable, efficient storage solutions, 3par’s technology found a significant boost after being acquired by Hewlett Packard Enterprise (HPE). This acquisition elevated 3par’s footprint, integrating its storage arrays into a broader ecosystem of hybrid cloud and data center services.

In a market crowded with giants like Dell EMC, NetApp, and Pure Storage, 3par distinguishes itself through high-performance, resilient architecture designed for large-scale businesses that demand both reliability and flexibility. This background is crucial for candidates to understand because it affects the kind of talent 3par seeks: those who are not only technically skilled but can also navigate complex enterprise environments.

So, when you’re preparing for a 3par interview, keep in mind the company’s position as both a pioneer and a mature player under HPE’s umbrella. This dual identity influences everything—from recruitment strategy to the kinds of challenges you might be asked to solve during the hiring process.

How the Hiring Process Works

  1. Application and Resume Screening: The journey starts online, often through HPE’s career portal or job boards. Recruiters look for candidates whose resumes show a mix of relevant job roles, technical certifications, and project experience. Because 3par operates in a niche technical space, generic resumes tend to get passed over quickly.
  2. Initial HR Screening: This brief call or video chat normally explores your background, motivations, and availability. Beyond checking eligibility criteria, HR tries to gauge cultural fit and communication skills early on—key since 3par values teamwork across global teams.
  3. Technical Assessment or Coding Test (Role Dependent): Depending on your role, you may face a technical test. For software engineers or systems architects, this could mean coding challenges or scenario-based problem solving related to storage architectures.
  4. Technical Interview Rounds: These interviews dive deep into your technical expertise. Expect questions on SAN/NAS storage, RAID configurations, virtualization, and cloud integration. Sometimes, you’ll be asked to whiteboard solutions or discuss system design.
  5. Managerial Interview: This stage is less about code and more about how you handle complex projects, meet deadlines, and collaborate. Managers want to understand how you think and whether your work style matches the team’s workflow.
  6. Final HR Discussion and Offer: Often a wrap-up session discussing salary range, benefits, and answering your questions. This can include negotiation phases but tends to be straightforward given 3par’s structured compensation strategy.

Each step plays a strategic role in filtering candidates, ensuring only those who align technically and culturally progress further. The process might seem rigorous, but it’s designed to minimize mismatch and foster long-term employee success.

Interview Stages Explained

Initial HR Screening: Setting the Stage

This isn’t just a formality. HR screens for alignment with 3par’s core values, communication ability, and verifies your eligibility criteria such as work authorization or minimum qualifications. It’s a moment where candidates often realize the importance of storytelling—explaining past roles with clarity and relevance.

Technical Interview(s): The Crucible

At 3par, technical rounds are where the rubber meets the road. Interviewers want to scrutinize your practical knowledge of storage solutions and problem-solving approach. Unlike generic tech interviews, 3par’s questions lean towards real-world scenarios, such as optimizing storage arrays or troubleshooting latency issues. Behind this lies the company’s need for engineers who can hit the ground running in critical environments.

Managerial and Behavioral Interviews: Beyond Skillsets

Here, it’s about cultural fit and soft skills. Given the collaborative nature of 3par’s projects, hiring managers assess how well you work in teams, adapt to feedback, and manage stress. They’re often interested in hearing about past conflicts or project setbacks, testing your self-awareness and growth mindset.

Offer and Negotiation: Closing the Loop

Once you clear the above hurdles, HR opens salary discussions. Because 3par operates within HPE’s structure, salary ranges are competitive but somewhat standardized. Candidates should approach this phase armed with market data and a clear understanding of their worth to avoid leaving money on the table.

Examples of Questions Candidates Report

  • Technical: Explain how RAID levels differ and their use cases in enterprise storage.
  • Scenario: How would you troubleshoot a sudden drop in IOPS on a 3par storage array?
  • Behavioral: Describe a time you had to work with cross-functional teams on a tight deadline.
  • Conceptual: What are the advantages of thin provisioning in storage management?
  • HR: Why do you want to work at 3par specifically, given its acquisition by HPE?

Eligibility Expectations

3par tends to look for candidates with a solid educational foundation—usually a bachelor’s degree in Computer Science, Information Technology, or related engineering fields. However, equivalent experience in storage technologies can sometimes compensate for formal education gaps.

Certifications such as HPE ASE Storage Solutions Architect or other vendor-neutral storage certifications like SNIA can provide a significant edge. The company values experience with enterprise storage equipment, virtualization platforms, and cloud integration.

Moreover, roles often demand fluency in English and the ability to work in collaborative, sometimes distributed teams. Candidates with prior exposure to client-facing support or consultancy roles usually find it easier to navigate the interview stages.

Common Job Roles and Departments

3par’s hiring spans several key departments:

  • Engineering: Software developers, firmware engineers, and systems architects focused on storage technologies.
  • Technical Support and Field Engineering: Specialists who troubleshoot and deploy 3par products at client sites.
  • Sales and Pre-Sales Engineering: Roles that require deep technical knowledge plus the ability to communicate value propositions to potential customers.
  • Product Management: Professionals who bridge customer needs with engineering capabilities.
  • Operations and Quality Assurance: Teams ensuring product reliability and performance compliance.

Knowing your targeted job role inside out helps tailor your interview preparation effectively.

Compensation and Salary Perspective

RoleEstimated Salary
Storage Engineer$85,000 - $120,000
Software Developer$90,000 - $130,000
Technical Support Engineer$70,000 - $100,000
Pre-Sales Engineer$95,000 - $140,000
Product Manager$110,000 - $150,000

These figures represent approximate ranges based on multiple sources and reflect variations depending on location, experience, and negotiation. Candidates often discover that total compensation may include bonuses and stock options, typical for tech firms under large corporate umbrellas.

Interview Difficulty Analysis

Overall, 3par interviews strike a balance between technical depth and practical application. Candidates with solid domain knowledge find the process challenging but fair. The difficulty arises mainly in the technical rounds where real-world problem-solving is tested rather than theoretical questions alone.

Some candidates report that questions can sometimes seem niche, especially those related to storage hardware specifics or proprietary software stacks. That said, preparation focused on fundamental concepts paired with hands-on practice dramatically improves outcomes.

Compared to other storage vendors, 3par’s selection process is moderately challenging—it’s not a pure coding marathon like some software companies, but technical precision is non-negotiable.

Preparation Strategy That Works

  • Understand Storage Basics: Deep dive into RAID, SAN/NAS architectures, and data redundancy mechanisms.
  • Review 3par-Specific Technologies: Familiarize yourself with the unique aspects of 3par arrays and their management software.
  • Practice Scenario-Based Questions: Brush up on troubleshooting and optimization case studies that reflect enterprise usage.
  • Mock Behavioral Interviews: Prepare stories around teamwork, challenge resolution, and adaptability.
  • Research the Company: Know 3par’s position within HPE, recent products, and market strategy.
  • Network with Current or Former Employees: Gain insider perspectives that can’t be found online.
  • Prepare Questions for Interviewers: Demonstrates genuine interest and proactive thinking.

Work Environment and Culture Insights

3par, being part of a larger HPE ecosystem, combines the agility of a specialized tech company with the resources of a global enterprise. Candidates often note a culture that values innovation but also demands discipline and precision, particularly given the critical nature of enterprise storage solutions.

The work environment tends to be collaborative, with cross-departmental projects common. However, workflow can be intense during product launches or critical client deployments. Employees appreciate the balance between autonomy and team support, although some report bureaucracy creeping in due to corporate integration.

Cultural fit here means being adaptable, detail-oriented, and willing to continuously update one’s skill set to keep pace with evolving technologies.

Career Growth and Learning Opportunities

3par offers a career path that can lead from technical specialist roles to team leadership or product management positions. Because storage technology is constantly evolving, there are abundant opportunities to learn through training programs, certifications, and on-the-job challenges.

The company’s connection to HPE also opens doors to cross-functional moves and exposure to a variety of enterprise IT disciplines. This can be particularly appealing for candidates looking to build a diverse portfolio of skills rather than remaining siloed.

But growth isn’t automatic. Ambitious professionals need to take charge of their own development, seeking mentors and volunteering for complex projects to get noticed.

Real Candidate Experience Patterns

Stories from candidates who’ve interviewed at 3par often highlight the straightforwardness of the process coupled with the intensity of technical rounds. Many recall being pleasantly surprised by the interviewer’s openness and willingness to engage in a two-way conversation rather than just grilling them.

However, frustration sometimes arises around the wait time between rounds or the occasional mismatch between recruiter expectations and technical team assessments. Patience is crucial—hiring can stretch over several weeks.

Feedback tends to be constructive, especially for those who don’t make it through. Candidates find that honesty about what gaps to close is more helpful than vague rejections.

Comparison With Other Employers

Aspect3parOther Storage VendorsGeneral Tech Firms
Technical DepthHigh (focused storage expertise)Similar (often hardware-centric)Varies (broader development focus)
Interview Length3-5 weeks typical3-6 weeks2-4 weeks
Cultural Fit EmphasisStrongModerate to strongVariable
Salary CompetitivenessGood, within enterprise rangeComparableWide range
Candidate ExperienceGenerally positive with some delaysMixed, depends on companyHighly variable

In essence, 3par’s recruitment stands out for its domain specificity and balanced candidate experience. If you’re targeting enterprise storage roles, it represents a solid, respected choice.

Expert Advice for Applicants

Don’t underestimate the value of tailoring your resume to highlight storage and enterprise IT experience explicitly. Generic technical resumes rarely make it past the initial screening.

Prepare for interviews by simulating real-world problem solving rather than purely theoretical study. Interviewers appreciate candidates who demonstrate practical insights and even admit when they don’t know an answer but show how they would find it.

Ask thoughtful questions about the role and company dynamics—it shows engagement beyond just landing a job.

Finally, be patient and persistent. The recruitment process may feel slow or strict, but the investment pays off in the quality of the role and the learning environment.

Frequently Asked Questions

What kind of technical questions should I expect for a 3par storage engineer role?

Expect questions on RAID configurations, SAN vs NAS architectures, 3par-specific array features, troubleshooting performance issues, and possibly some scripting or automation topics related to storage management.

How many interview rounds are typical at 3par?

Usually, candidates go through 3 to 5 rounds, starting from an HR screening to technical interviews and a final managerial discussion.

Is prior experience with HPE products mandatory?

Not mandatory, but having familiarity with HPE’s ecosystem or certifications can give you a significant edge over other candidates.

What are common pitfalls candidates face during the 3par interview?

One common issue is focusing too much on theoretical answers rather than practical solutions. Another is failing to communicate clearly during HR rounds, which are crucial for moving forward.

How does 3par’s interview process compare to other tech companies?

It’s more specialized and focused on storage technologies rather than general software development. The pace can be slower due to corporate layers but tends to be more structured.

Final Perspective

Interviewing at 3par is a nuanced journey through the evolving landscape of enterprise storage solutions. The company’s hiring strategy reflects its commitment to technical excellence and cultural cohesion, ensuring that new hires not only bring skills but also fit the collaborative, detail-oriented environment.

If you’re aiming for a role here, embrace the complexity rather than fear it. Invest in understanding enterprise storage deeply, refine your storytelling and problem-solving skills, and be ready to engage in thoughtful dialogues with your interviewers. The process might challenge you, but for candidates passionate about storage technology, it offers a rewarding gateway to a respected and dynamic career path.

3par Interview Questions and Answers

Updated 21 Feb 2026

Sales Engineer Interview Experience

Candidate: Emily Zhang

Experience Level: Mid-level

Applied Via: Company career portal

Difficulty:

Final Result: Rejected

Interview Process

3 rounds

Questions Asked

  • How do you explain complex technical concepts to non-technical clients?
  • Describe your experience with enterprise storage solutions.
  • How do you handle objections during sales?
  • What strategies do you use to identify client needs?

Advice

Gain deeper understanding of technical products and improve communication of technical benefits.

Full Experience

The interview involved a mix of technical and sales scenario questions. The panel was interested in my ability to bridge technical knowledge and customer engagement. I was told to strengthen my product knowledge for future opportunities.

Systems Administrator Interview Experience

Candidate: David Kumar

Experience Level: Mid-level

Applied Via: Recruiter outreach

Difficulty:

Final Result:

Interview Process

3 rounds

Questions Asked

  • How do you manage backups and disaster recovery?
  • Explain your experience with virtualization technologies.
  • What scripting languages are you proficient in?
  • Describe a time you automated a routine task.

Advice

Be prepared to discuss both technical skills and process improvements you have implemented.

Full Experience

The interview process included a technical phone interview, an in-person technical test, and a final cultural fit discussion. The technical rounds tested both knowledge and practical skills. The company values proactive problem solving.

Technical Support Engineer Interview Experience

Candidate: Catherine Smith

Experience Level: Senior

Applied Via: LinkedIn job post

Difficulty: Easy

Final Result:

Interview Process

2 rounds

Questions Asked

  • How do you handle difficult customers?
  • Explain troubleshooting steps for a failed storage array.
  • What monitoring tools have you used?
  • Describe a time you resolved a critical issue under pressure.

Advice

Highlight your customer service skills and technical knowledge in storage systems.

Full Experience

The interview was straightforward with a focus on past experience and problem-solving abilities. The team was friendly and the questions were practical. I felt comfortable discussing my previous roles and challenges.

Software Developer Interview Experience

Candidate: Brian Lee

Experience Level: Entry-level

Applied Via: Referral

Difficulty: Hard

Final Result: Rejected

Interview Process

4 rounds

Questions Asked

  • Explain object-oriented programming concepts.
  • Write code to reverse a linked list.
  • What is multithreading and how have you used it?
  • Describe your experience with REST APIs.
  • How do you handle error handling in your code?

Advice

Practice coding problems and review system design basics before the interview.

Full Experience

The process involved an initial phone screen, a coding challenge, a technical interview with live coding, and a final HR round. The coding questions were challenging and required quick thinking. Feedback was that I needed stronger algorithm skills.

Storage Engineer Interview Experience

Candidate: Alice Johnson

Experience Level: Mid-level

Applied Via: Online application through company website

Difficulty:

Final Result:

Interview Process

3 rounds

Questions Asked

  • Explain RAID levels and their differences.
  • How do you troubleshoot storage array performance issues?
  • Describe your experience with SAN and NAS systems.
  • What is thin provisioning?
  • How do you ensure data redundancy and availability?

Advice

Brush up on storage architecture concepts and practical troubleshooting scenarios.

Full Experience

The interview process started with an HR screening, followed by a technical round focusing on storage technologies and problem-solving. The final round was with the engineering manager discussing real-world scenarios and team fit. Overall, a well-structured process that tested both theoretical knowledge and practical skills.

View all interview questions

Frequently Asked Questions in 3par

Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.

Common Interview Questions in 3par

Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?

Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.

Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.

Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...

Q: T, U, V are 3 friends digging groups in fields. If T & U can complete i groove in 4 days &, U & V can complete 1 groove in 3 days & V & T can complete in 2 days. Find how many days each takes to complete 1 groove individually.

Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?

Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?

Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete

Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p

Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter

Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?

Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...

Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.

Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?

Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating. 

Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?

Q: A man driving the car at twice the speed of auto one day he was driven car for 10 min. and car is failed. he left the car and took auto to go to the office .he spent 30 min. in the auto. what will be the time take by car to go office?

Q: A person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.

Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.

Q: On a particular day A and B decide that they would either speak the truth or will lie. C asks A whether he is speaking truth or lying? He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"

Similar Companies Interview Questions