When i am at home i am able to connect to the database and then when i get to school and run the same scripts even after adding my school’s IP address i keep getting an error. I have even added 0.0.0.0/0 in my whitelist on the MongoDB webpage and still get the error at school. I know that the URI i am using in the .env is correct because it works at home. Anyone else get a similar error?

I created a teacher module in which teacher is adding students and this data is storing in mongodb collection name student overview which have many fields including basic details and email or password
Now i want student can login using the same mail id and password created by teacher and after successful login he she should able to view his own profile in profile tab in his profile field all the data that was updated by the teacher should visible how can i acheive it i have no ides

I have built a website like a blog post. The image is being uploaded to MongoDB and has not been displayed on the website. I have checked whether the image is rendered using Postman; the image has been displayed and all the data is displayed. but the image is not displayed on the the website.

This section code must read token and approve login process. But its cant read token from my cookie.

I have a good knowledge of React,Mongo,Express and Node.Is it sufficient for me to land a job with double -digit CTC salary.If no what else should I study as I am confused between multiple technology like angular,Next,Spring/Spring boot, python,Django etc

When attempting to register a user to the database I am hit with