Technology Evaluation and Selection Questions
Focuses on evaluating technology options and selecting appropriate platforms or vendors. Key skills include defining business and technical requirements, creating evaluation criteria and decision matrices, running proof of concept trials, assessing total cost of ownership and vendor lock in, validating integration feasibility and operational impact, ensuring security and compliance, planning staged rollouts and migrations, and documenting governance for adoption. Interviewers may probe examples of build versus buy decisions and how pilots were used to de risk technology choices.
EasyTechnical
0 practiced
Which spreadsheet functions and features in Excel or Google Sheets do you commonly use to build TCO models and decision matrices? Describe how you'd use SUMPRODUCT, INDEX/MATCH (or XLOOKUP), pivot tables, scenario manager, and data validation in an evaluation workbook.
MediumTechnical
0 practiced
As a Solutions Architect, provide a Terraform module design (describe required inputs, outputs, and key resources) that provisions an Azure Storage Account with secure defaults: HTTPS-only, Microsoft-managed encryption, lifecycle rule to move blobs older than 365 days to cool tier, and diagnostics enabled. Explain how you'd integrate this module into a PoC pipeline (state backend, parameterization, testing).
HardTechnical
0 practiced
Given three competing vendors with different cost and qualitative attributes, design a combined quantitative/qualitative scoring model. Explain normalization, weighting, how you'd run sensitivity analysis (tornado chart or scenario runs), and how you'd present trade-offs and a final recommendation to the CIO capturing executive risk appetite.
MediumTechnical
0 practiced
You're planning a staged migration of a monolithic application to microservices across three environments. Describe how you'd organize Jira epics, stories, releases, and custom fields to capture migration risk, rollback plans, and operational acceptance criteria. Explain dashboard widgets for engineering teams vs exec stakeholders.
HardTechnical
0 practiced
Write a Python program (script) that ingests two vendor CSV price sheets with potentially different schemas and currencies, reconciles columns, applies exchange rates, handles missing values, and outputs a side-by-side 3-year discounted TCO comparison as CSV. Requirements: parameterize discount rate and exchange rates, include robust error handling, and describe test cases you would run.
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