Chainalytics Interview Questions and Answers

Q1. Technical Screening, project specific questions
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Q2. Kafka, spark, lambda architecture, testing and WAP architecture
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Q1. Sql joins, window functions
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Q2. EOS kafka, end to flow of project and system architecture, how can i enhance current architecture
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Q1. Data engineering related system design Streaming architecture, scaling , replication, storage guarantees Kafka replay-ability details of partitions Offsets, basically how can you optimize kafka streaming ...read more
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Q2. Asked to draw system architecture on draw.io Why do u want to join this role?
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Q1. General Questions
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Q2. Asked about experience and some situational questions
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Q1. Design a system that checks for inventory when user clicks checkout on an Ecommerce App
Ans. 
Implement a system to check inventory when user clicks checkout on an Ecommerce App
• Create a database to store inventory levels for each product

• Implement a function that deducts the quantity of items in the cart from the available inventory

• Display a message to the user if an item is out of stock

• Provide an option for users to remove out-of-stock items from their cart
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Q1. Situational Questions
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Q2. Performance management related questions
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Q1. Asked about situational questions again
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Python, Power Bi and SQL rounds

Case study related to FedEx Industry products performance

Q1. Behavourial question and resume screening was done
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Q2. Tell me how you handlee the situations in deadline?
Ans. 
I prioritize tasks, communicate effectively, and work efficiently to meet deadlines.
• Prioritize tasks based on urgency and importance

• Break down tasks into smaller manageable chunks

• Set realistic timelines and milestones

• Communicate with stakeholders about progress and potential delays

• Proactively address any obstacles or challenges that may arise

• Utilize time management techniques such as Pomodoro method or Eisenhower matri
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Q1. What is fire sprinkler system
Ans. 
A fire sprinkler system is a network of pipes and sprinkler heads designed to quickly extinguish fires in buildings.
• Consists of pipes filled with pressurized water or other fire retardant

• Sprinkler heads release water when heat is detected, suppressing the fire

• Helps prevent the spread of fire and protect occupants in a building

• Commonly found in commercial buildings, warehouses, and high-rise structures
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Q2. How many types of fire sprinkler
Ans. 
There are four main types of fire sprinkler systems: wet pipe, dry pipe, pre-action, and deluge.
• Wet pipe sprinkler systems are the most common and simplest type, with water constantly in the pipes ready to be discharged upon activation.

• Dry pipe sprinkler systems are used in areas where freezing temperatures may be present, with water held back by a valve until the system is activated.

• Pre-action sprinkler systems requir...read more
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Q3. There are seven types of fire sprinkler system
Ans. 
There are seven types of fire sprinkler systems used for different applications and environments.
• Wet pipe sprinkler system - most common, water is always in the pipes ready to be discharged

• Dry pipe sprinkler system - used in areas where pipes may freeze, water is held back by a valve until a fire is detected

• Pre-action sprinkler system - combines features of wet and dry pipe systems, requires two triggers to release wat...read more
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Q4. Fire sprinkler system is an automatic sensitive system which works to extinguish the starting fodder fire. It is set at different temperatures.
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Q5. Fire sprinkler system is automatic sensitive. When the starting charge catches fire, the bulk glass of the sprinkler breaks at a specific temperature, like a fountain of water.He creates fire and tries to ...read more
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Q1. How much salary
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Q2. Working duty time
Ans. 
I am working day by day
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Q3. Ovar time process details
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Q4. Health insurance details
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Q5. How many year aramax agriment
Ans. 
The length of an Aramax agreement can vary depending on the specific terms negotiated between the parties involved.
• The duration of an Aramax agreement is typically specified in the contract between the parties.

• Aramax agreements can range from a few years to several decades, depending on the nature of the agreement and the parties involved.

• It is important for both parties to clearly outline the duration of the agreement...read more
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Q1. Asked questions on the basis of what you have added in your resume.
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Q1. Communication protocols, switchgears, software
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Q1. About turbo engine how it works
Ans. Shortly saying that outside air blows into the engine.
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Q2. Why cant we give CNG vehicle more production
Ans. 
CNG vehicles require specialized infrastructure and may not be as popular as traditional gasoline vehicles.
• Limited availability of CNG refueling stations

• Higher upfront cost for CNG vehicles

• Consumer preference for gasoline vehicles

• Lack of government incentives for CNG vehicles

• Limited variety of CNG vehicle models
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Q1. Previous project discussion
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Q2. Sql amd python tabluea excel
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