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Developer Interview Questions

1) Write basic concepts of OOPS?

2) Which OOPS concept is used as a reuse mechanism?

Polymorphism

Inheritance

Abstract

Interface

3) What is the main difference between overloading and overriding?

Overloading has same name but diff parameters and overriding has same name and same parameters

Overriding has same name but diff parameters and overloading has same name and same parameters

4) What is CHAR and VARCHAR?

Char is fixed length and varchar is variable length

Char is fixed length and varchar is fixed length

Varchar is fixed variable and char is variable length

None of above

5) How can we delete a column or a row Write a query for the same?

DELETE FROM tablename name condition (Column); ALTER TABLE tablename DROP COLUMN columnname;(delete column)

DELETE FROM tablename name WHERE condition (delete row) ALTER TABLE tablename DROP COLUMN columnname;(delete column)

6) What is a foreign key? Write a query to implement the same

CREATE TABLE Orders ( OrderID int NOT NULL, PersonID int, PRIMARY KEY (OrderID),FOREIGN KEY (PersonID) REFERENCES Persons(PersonID));

CREATE TABLE Orders ( OrderID int NOT NULL, PersonID int, FOREIGN KEY (PersonID) REFERENCES Persons(PersonID));

7) What are the different ways to join tables?

8) What is the difference between "echo" and "print" in PHP?

echo can take multiple parameters where as print not

Print has a return value of 1 so it can be used in expressions where as echo has a void return type

echo() can be used in the CLI version of PHP, while print() can’t

print() can be used in the CLI version of PHP, while echo() can’t

There’s no difference: both functions print out some text!

9) How many types of array are there in PHP?

None of above

10) Explain some of the PHP array functions and string functions?

11) What is htaccess in PHP?

12) What is the meaning of a final class and a final method?

13) What is different between implode & explode?

14) How many tables are there in WordPress by default?

15) Different Between Posts and Pages?

16) Explain the difference between WordPress Themes and Plugins.

17) What are WordPress Taxonomies?

18) What Should You Do if Your WP Website Gets Hacked?

19) What is a Child Theme?

20) How to get multiple meta values using custome sql query?

21) What is hook ? Explain types of hook in wordpress

22) what is the use of wp_head in wordpress?

23) Differences between the_title vs get_the_title?

24) How to Create Custom Post Types in WordPress?

25) Write output of following code

class MyClass
{
public function __construct(){
echo 'The class "' . __CLASS__ . '" was initiated!
'; }
public function __destruct() {
echo 'The class "' . __CLASS__ . '" was destroyed.
'; }
}
$obj = new MyClass;
unset($obj);
echo "The end of the file is reached.";

26) Check following syntax and find Errors

SELECT Orders.OrderID, Customers.CustomerName, Shippers.ShipperName FROM ((Orders,Customers, Shippers INNER JOIN ON Orders.CustomerID = ustomers.CustomerID) INNER JOIN ON Orders.ShipperID = Shippers.ShipperID);

True

False

27) check following syntax and find Errors

SELECT Price FROM Products BETWEEN 10 AND 20;

True

False

28) What will be the values of $a and $b after the code below is executed? Explain your answer.

$a = '1';
$b = &$a;
$b = "2$b";

29) Program to print the below format

* * * * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*

30) What will be the output of the code

$x = 5;
echo $x;
echo $x+++$x++;
echo $x;

SEO Interview Questions

1) What is your Expertise in SEO?

2) What do the acronyms PA, DA, and PR stand for?

3) Which query will give the list of web pages indexed by a particular search engine on given domain

list:http://www.websitename.com

link:http://www.websitename.com

webpage:http://www.websitename.com

site:http://www.websitename.com

4) Which Type of Site Map is available in SEO ?

5) What does the 404 server response code signify?

6) What is SERP Full Name ?

7) List Out Name Of Search Engine?

8) What is the difference between do-follow and no-follow links?

9) What tools have you used in SEO?

10) what social media platform have you used?

11) What is the difference between an inbound link and an outbound link in SEO?

12) What is the most important Google Ranking Factors?

13) What is the definition of bounce rate in SEO?

14) What is robots.txt?

15) How did you learn SEO?

16) What is AMP Full Name ?

17) What’s your greatest Achivments in SEO?

18) Make a list of the websites you have worked?

19) Make a list of the keywords you have worked on and it should rank correctly on google?

20) How many characters limits in Meta Description & Meta Tag?

SMO Interview Questions

1) List out as many social media handles as you can.

2) What do you know about Instagram's Algorithm?

3) What is Organic Reach?

4) What is Social Media Marketing?

5) How does social media benefit a business?

6) Describe one strategy that will help you succeed as a social media marketer.

7) List out a few types of contents that you've come across on social media.

8) Which social media channels do you recommend for our business and why?

9) Ways to generate leads through social media.

10) Which social media tools do you use?

11) What are your thoughts on TikTok?

12) What makes a piece of social media content successful?

13) Why is social media so popular?

14) What is a hashtag used for?

15) What is Copy Writing?

16) How do you measure social media success?

17) What do you think is the best time to post on social media?

18) Do you follow any social media experts or influencers?

19) Tell us about a single project that you’re particularly proud of.

20) Please write a caption for this image:

Phone

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