S/W testing in Short

SOAP vs REST :-

SOAP - Simple Object Access Protocol.

REST - Representational State Transfer.

SOAP and Rest both are Webservices.

SOAP supports XML Format for payload.
REST - JSON, Text , HTML , XML formats. (JSON mostly used)

SOAP more secure over REST as it sends request in envelop.

SOAP is heavyweight as compared to REST.

Tool used for triggering SOAP request : SOAP UI (Free and Pro)

Tool used for triggering REST request : POSTMAN (Opensource)

Difference between Rest , Rest API and Rest Assured ?

Rest - Architectural style used to develop APIs.

Rest API - APIs developed using Rest Architecture..

Rest Assured - Java libraries used to automate Rest APIs.

Telecom Domain (BSS) Testing Related Interview Questions:-

1. Please describer complete E2E Flow from SIM Activation to Billing of customer?
2. what is guiding and how it is different from Rating?
3. What is Rerating? When do we require Rerating?
4. What are different steps for billing?
5. What are different Components of Billing Engine?
6. What is difference between Deposit and adjustment ?
7. What is Collections and what are its various stages?
8. What are various components of CDR?
9. What is diameter Protocol ? How it works?
10.Difference between Online and Offline Charging?
11.Difference between Prepaid and Postpaid Billing?
12.How a customer is charged in Roaming?
13.What are the PreRequisities for billing ?
14.What are different types of Bills ?
15.Difference between HLR and HSS ?
16.What are OTA transactions in Telecom and why they are used?
17.What are the Various Network Nodes where Voice/Data/SMS/MMS/VoiceMail are Provisioned?
18.What is mediation and how it plays role in Telecom ?
19 Why Events get rejected ? What can be various reasons for Rejection of a CDR ?
20. Difference between EDR and CDR?

List of HTTP Response Codes :-

200: OK. Everything worked as expected.
201: A resource was successfully created in response to a POST request. The Location header contains the URL pointing to the newly created resource.
204: The request was handled successfully and the response contains no body content (like a DELETE request).
304: The resource was not modified. You can use the cached version.
400: Bad request. This could be caused by various actions by the user, such as providing invalid JSON data in the request body, providing invalid action parameters, etc.
401: Authentication failed.
403: The authenticated user is not allowed to access the specified API endpoint.
404: The requested resource does not exist.
405: Method not allowed. Please check the Allow header for the allowed HTTP methods.
415: Unsupported media type. The requested content type or version number is invalid.
422: Data validation failed
429: Too many requests. The request was rejected due to rate limiting.
500: Internal server error. This could be caused by internal program errors.

Important HR Interview Questions:-

1. Tell me about yourself.
2. Why do you want to work at our company?
3. Why do you want to resign from your previous job?
4. Why should I hire you?
5. What are your strengths and weaknesses?
6. What is the difference between hard work and smart work?
7. Are you a risk taker or do you like to stay away from risks?
8. Can you work under pressure?
9. Are you willing to relocate to # # if you are employed?
10. What motivates you to do good job?
11. How long would you expect to work for us if hired?
12. What is your position in your current or previous job?
13. Have you managed people in any of the positions you’ve held?
18. How do you define success?our family and your job?
15. Are you ready to obey the rules and regulation of our company?
16. If you're told by your boss to do something that you feel is illegal, what would you do?
17. What was the toughest decision you ever make in life?
18. How do you define success?
19. What will you do when you have a problem with your boss?
20. What position do you prefer to work in this organization and why do you think you can work better in such designation?
21. Is the salary # # good for you per month or How much salary do you expect?
22. Where do you see yourself five years from now?
23. If you were hiring a person for this job, what would you look for?
24. What is your salary per month in your current or previous job?