CRED Interview Questions, Process, and Tips

Q1. Network, server
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Q2. What is network
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A network is a collection of interconnected devices and systems that allow for the sharing of resources and information.
• A network is made up of nodes, which can be computers, servers, routers, switches, or other devices.

• These nodes are connected by physical or wireless connections, such as Ethernet cables or Wi-Fi.

• Networks can be local (LAN), connecting devices within a limited area like a home or office, or wide (WAN)...read more
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Q3. Types of network
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Types of network include LAN, WAN, MAN, PAN, WLAN, and VPN.
• LAN (Local Area Network) is a network that covers a small area like an office or a building.

• WAN (Wide Area Network) connects multiple LANs over a large geographical area.

• MAN (Metropolitan Area Network) covers a larger area than LAN but smaller than WAN, usually within a city.

• PAN (Personal Area Network) connects devices within an individual's personal space, lik...read more
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Q4. Wha is osi model
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The OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model divides the communication process into seven layers, each with its own specific functions.

• The layers are: Physical, Data Link, Network, Transport, Sess...read more
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Q5. What is topology
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Topology refers to the arrangement of network devices and their connections.
• Topology determines how devices are connected and communicate with each other.

• Common topologies include star, bus, ring, and mesh.

• In a star topology, all devices are connected to a central hub.

• In a bus topology, devices are connected to a single cable.

• In a ring topology, devices are connected in a circular manner.

• In a mesh topology, devices are...read more
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2 DSA, 1 SQL, 5 ML MCQ

Q1. Probability Questions
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Q2. Tree Based Models
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Q1. Probability Questions
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Q2. Transformer Architecture
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Basic aptitude questions. Mental programming. Basic problem solving. Geometric questions

Reverse a linked list, Graph related questions

Q1. Basic questions related to architecture
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SQL and metrics based questions

Q1. How would you find the top triplet from data set
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To find the top triplet from a data set, sort the data in descending order and select the first three values.
• Sort the data in descending order

• Select the first three values

• Consider ties if applicable
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Q2. Questions around the aptitude test
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Q1. Top Metrics for Instagram platform
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Top metrics for Instagram platform include engagement rate, reach, impressions, follower growth, and click-through rate.
• Engagement rate measures the level of interaction with your content.

• Reach refers to the number of unique accounts that have seen your content.

• Impressions refer to the total number of times your content has been viewed.

• Follower growth measures the rate at which your follower count is increasing.

• Click-t...read more
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Q2. How would you find the batsmen with fastest 5000 runs
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To find the batsmen with fastest 5000 runs, we need to analyze the data of all the batsmen who have scored 5000 runs or more.
• Create a database of all batsmen who have scored 5000 runs or more in their career.

• Sort the database based on the time taken by each batsman to reach 5000 runs.

• Identify the batsman who reached 5000 runs in the shortest time.

• Verify the accuracy of the data and the methodology used to calculate the...read more
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Q3. Which is better. 5% discount to get 30% increase in trips or 10% discount to get 50% increase in trips or 15% discount to get 65% increase in trips, considering avg trip value is constant
Ans. 
15% discount to get 65% increase in trips is the best option.
• The percentage increase in trips is directly proportional to the discount offered.

• The increase in trips should be weighed against the decrease in revenue due to the discount.

• In this case, the 15% discount offers the highest increase in trips while still maintaining a reasonable revenue.

• It is important to consider the long-term effects of offering discounts on
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