Facebook Contract position - Infrastructure Automation Engineer

Got a interview request from Disys for contract position at Facebook. Hourly Pay 86$

Status: Master’s In Software Engineering, Currently Working at Cisco as Senior Software Engineer
Position: Infrastructure Automation Engineer
Location: Menlo Park, CA
Date: June 10, 2019
Technical phone screen (1 hour):
1 Coding question - partial_reverse(list, start_index, end_index), do a reverse of the list between start_index and end_index.
Example [A,B,C,D,E,F,G] start_index = 2, end_index = 5
output => [A,B,F,E,D,C,G]
2. What happens behind the scene when you do curl www.facebook.com, follow up Why is not working.
3. How does server sends request back to client and on which ip and port?