Carefully study the code snippet given in the image and determine which of the following lines of code contain errors.

Which of the following statements is/are correct about working with the MongoDB server and the Mongodb module?

The given program should generate the following output:{value1: 2222, value2: [ x: 'hello Worldl', y: 8888 ]]However, the program contains errors. Identify which of the given lines of code contain errors.Program 1. var f‌irstvar =[ 2. value1: 2222, 3. value2: { 4. xz‘hello World!’ 5. y: 8888 6-]; 7. }; 8. console.log(firstvar);

When a javaScript function is invoked (called) in Node, where is a new frame placed?

Which of the following is a core module in Node?

Which of the following Buffer class methods returns an uninitialized buffer?

Express middleware is actually handled by what other Node.js module?

The process object is an instance of what class?

How to delete a file in node.js?

Which of these Express middleware stacks will NOT log favicon requests?

In Express, which of these Response methods can NOT automatically end the response?