Smartfish Designs Junior Wordpress Developer Interview Questions and Answers

Q1. What is Indexing in Mysql
Ans. 
Indexing in MySQL is a technique to improve the performance of database queries by creating a data structure that allows for faster data retrieval.
• Indexes are created on one or more columns of a table.

• They help in speeding up the search, sorting, and joining of data.

• Indexes can be created using different algorithms like B-tree, hash, or bitmap.

• Using indexes appropriately can significantly enhance query performance.

• Exam...read more
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Q2. Opps concepts in php
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Object-oriented programming concepts in PHP
• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes based on existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding unnecessary details and exposing only essential features

• Class: blueprint for creating objects

• Object: instance of a class

• Method: function defined inside a class

• Property: variabl
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Q1. Basic JavaScript and React.js questions
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Q2. Questions on functions, hooks and DOM
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Q3. Questions on SSR
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Q4. Questions on strings and arrays
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Api related questions

Q1. Prepare js array and string functions, and React js core concepts
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It was based on frontend technologies

Q1. Basic frontend question
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Q1. Managerial round
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Q1. Self intro - tell me about yourself
Ans. 
I am a software developer with a passion for creating efficient and user-friendly applications.
• Proficient in multiple programming languages such as Java, C++, and Python

• Experience in developing web applications using HTML, CSS, and JavaScript

• Strong problem-solving and analytical skills

• Familiarity with agile development methodologies

• Excellent communication and teamwork abilities
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Q2. Experience & why do you want to switch
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I have 5 years of experience as a Software Developer and I want to switch to explore new technologies and challenges.
• I have 5 years of experience as a Software Developer.

• I have gained expertise in various programming languages and frameworks.

• I have successfully delivered multiple projects and contributed to their success.

• I want to switch to explore new technologies and challenges.

• I believe switching will help me enhanc
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Simple basic code for Form data

Q1. Easy-Medium level Leetcode questions on linkedlists
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Q2. Simple recursion question
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Q3. An SQL query Basic question in OOPS and resume description..
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Q4. Basic questions regarding SQL
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Q5. Difference between thread and process
Ans. 
A process is an instance of a program while a thread is a subset of a process that can run concurrently with other threads.
• Processes have their own memory space while threads share the same memory space within a process.

• Processes are independent of each other while threads within the same process can communicate with each other.

• Processes are heavier in terms of resource consumption compared to threads.

• Example: A web br...read more
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Q1. Optimisation techniques/ vanilla js
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Q2. Polyfill of promise
Ans. 
Polyfill of promise is a code that adds support for promises in older browsers.
• Polyfill is used to fill in the gaps in browser support for certain features.

• For promises, a polyfill can be used to provide support in older browsers that do not natively support promises.

• Popular promise polyfills include 'es6-promise' and 'bluebird'.
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