Tamcherry Technologies UI Developer Interview Questions and Answers

Q1. What is ip forwarding
Ans. 
IP forwarding is the process of routing data packets from one network to another network.
• IP forwarding is a feature that allows a router to send packets destined for a remote network to the next hop router.

• It involves examining the destination IP address of a packet and determining the best path to forward it.

• IP forwarding is essential for enabling communication between different networks in a larger network infrastruc...read more
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Q2. What how internal structure of internet works
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The internal structure of the internet consists of interconnected networks of computers and servers that communicate through protocols.
• The internet is made up of a vast network of interconnected devices such as routers, switches, and servers.

• Data is transmitted across the internet using protocols like TCP/IP, HTTP, and DNS.

• Internet Service Providers (ISPs) play a crucial role in connecting users to the internet and rou...read more
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Medium level coding questions on hackerrank ,1:30hr, topic- Array , DP , Matrix , Binary Search

Q1. Was Asked to Implement Hashmap and Question on OOPS and Dbms , SQL and Indexing
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Q1. Brief Introduction
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Q2. Rotten Oranges and basics of bfs and DFS
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The interview will last for 30 minutes and will include basic Node.js questions, followed by two coding questions.

Coding round with just one medium question. Not much complexity but, too much coding.

A two pointer question with medium level complexity like find distance to nearest 1 in an array of 1s and zeroes

Q1. System design scenarios using sqs
Ans. 
Using SQS for system design scenarios
• Implementing a message queue system for decoupling components

• Scaling the system by adding more SQS queues for different functionalities

• Using SQS to handle asynchronous processing of tasks

• Integrating SQS with other AWS services like Lambda for serverless architecture
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Q2. System design scenarios for enough monitoring and alarming
Ans. 
Implementing system design scenarios for monitoring and alarming
• Utilize monitoring tools like Prometheus, Grafana, or Nagios to collect and visualize data

• Set up alerts based on predefined thresholds for key metrics

• Implement a centralized logging system like ELK stack to track system behavior

• Utilize distributed tracing tools like Jaeger or Zipkin to monitor request flows

• Implement health checks for services to ensure the
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Q1. Java, Html, Css, Js, MySQL
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Javascript & Angular question -
1. Write piece of code to display the array item using iteration method?
2. Write piece of code for API integration using services ?
3. What is the method of data transferring in Angular Components ?
4. What is Routing ?

Q1. Angular Question 1. What is the difference between Angular 8 and Angular 12 version ? 2. What is Call Back Function ? 3. What is Life Cycle Hooks ? 4. How to handle large data transferring from Backend ?
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Q1. Php array functions methods
Ans. 
PHP array functions are built-in functions that allow manipulation of arrays in PHP.
• Some common array functions include array_push(), array_pop(), array_merge(), and array_filter().

• Array functions can be used to add or remove elements, merge arrays, filter elements, and more.

• Example: array_push($array, 'new element') adds a new element to the end of the array.
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Q2. Join query to show 2 table details
Ans. 
Use SQL JOIN to combine data from two tables based on a related column
• Use SELECT statement with JOIN keyword

• Specify the columns to select from each table

• Use ON keyword to specify the relationship between the tables
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