I applied online. I interviewed at AT&T (Bengaluru) in Jun 2020
Interview
It was first aptitude round with multiple choice questions about networking the next round was face to face with manager and technical person, after these two HR round for salary discussion
I applied through an employee referral. The process took 2 weeks. I interviewed at AT&T (Oakton, VA) in Feb 2019
Interview
They Asked questions for problems they were working on so they could figure out from someone else basically they wanted me to do their work for them and not get paid
I applied online. The process took 2 weeks. I interviewed at AT&T (Bedminster, NJ) in Jun 2017
Interview
Interview was on phone and in person. I was asked about the experience on my resume and where it was used and how. Commands, process and procedure questions were also asked