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Updated weekly · Last refresh Aug 30

Netcracker Technology Solutions Architect Interview Questions

The questions to prepare for a Netcracker Technology Solutions Architect interview. Questions from real interview reports rank first. Updated weekly.

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1
System DesignStart here. 8 questions · ~64 min
BSS vs OSS IntegrationMedium

Tests conceptual clarity and system integration understanding for telecom BSS/OSS.

integrationNetcracker Technology
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2
Pipelines6 questions · ~48 min
Catalog Synchronization Across SystemsMedium

Tests integration design for consistent product catalog data across BSS/OSS systems.

data consistencyNetcracker Technology
Transactional Consistency in MicroservicesHard

Tests distributed consistency patterns for billing-grade correctness.

microservicesNetcracker Technology
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3
Coding5 questions · ~40 min
Debug Race Conditions in CodeMedium

Tests concurrency debugging skills and practical mitigation strategies for race conditions.

Debuggingconcurrencyrace conditionsNetcracker Technology
First Non-Repeating CharacterMedium

Tests data-structure reasoning and time-complexity analysis for stream processing.

Hash Tablestime complexityStringsNetcracker Technology
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4
Behavioral & Leadership14 questions · ~112 min
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5
More topics4 questions · ~32 min
Optimize Rating Transaction QueriesHard

Tests deep database tuning and performance engineering for high-scale BSS/OSS workloads.

performancetransactionsNetcracker Technology
VPC Connectivity for SecurityMedium

Evaluates secure infrastructure design for cross-VPC connectivity.

NetworkingNetcracker Technology
Netcracker BSS Domain DesignMedium

Evaluates your ability to translate telecom BSS requirements into end-to-end solution architecture at Netcracker Technology.

Netcracker Technology
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Highest Salary Per DepartmentMedium
Practice
Practice drill

Find each department's maximum salary and all employees tied at that salary using LEFT JOINs and a correlated subquery.

sqlAggregationsTuringNetcracker Technology
Second Highest Without AggregatesHard
Practice
Recently asked
Practice drill

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsCredit GenieDevoteamCisco Restaurant + Bar
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
The finish line: interview-readyComplete all 37 questions plus 3 hands-on drills to finish this plan.