Cognizant Programme Analyst interview questions

it was easy . they are ask basic questions from c like what is pointer ? and write the simple program like swap two numbers without 3rd variable. and they asked questions from computer networks,. osi layers ,ip address

first i gave amcat test then i was called for face to face interview. the process took one day one technical round then hr.technial round was not that difficult.interviewer asked basic question on java and sql.basic question on jsp servlet and ask to writequery using joins