Placement Questions & Answers :: Virtusa

Answer: Both A & B

Engineers should normally respect the confidentiality of their employers or clients irrespective of whether or not a formal confidentiality agreement has been signed.
They should be aware of local laws governing the use of intellectual property such as patents, copyright, etc.

Answer: Your employer releases a safety-critical system without finishing the testing of the system.

Here is no explanation for this answer

Answer: licensing

Licensing of a software product comes under corporate part of the software company.

Answer: Lack of adequate training in software engineering

Option b & c are a part of Software Engineering as a subject,hence option a covers them both.

Answer: INSERT

Here is no explanation for this answer

Answer: DELETE FROM CUSTOMER WHERE ...

DELETE FROM CUSTOMER WHERE ...

Answer: limits the row data are returned.

limits the row data are returned.

Answer: DROP TABLE CUSTOMER;

If you actually want to remove the table definitions as well as the data, simply drop the tables.
TRUNCATE TABLE empties it, but leaves its structure for future dat Like TRUNCATE TABLE CUSTOMER.
Removes all rows from a table without logging the individual row deletions

Answer: Data Integrity

ON UPDATE CASCADE is used for checking data in the table after ALTER operation.
Example: Alter table emp add constraint Unique Key (DID) ON UPDATE CASCADE. This will restrict the update operation if any dublicate values exists.

Answer: act consistently with the public interest."

Software engineers shall act in a manner that is in the best interests of their client and employer consistent with the public interest and shall
ensure that their products and related modifications meet the highest professional standards possible.Thus options a & c are ruled out.