QUESTION 4 Shared memory is a more appropriate IPC mechanism than message passing for distributed systems. Truc OB. False QUESTIONS Imagine that a host with IP address 150.55.66.77 wishes to download a file from the web server at IP address 202.28.15.123. Select a valid socket pair for a connection between this pair of hosts . 150,55.66,77:150 and 202.28.15.123:80 OB. 150.55.66.77:80 and 202.28.15.123:80 150.55.66.77:80 and 202.28. 15.123:3500 O 0.150.55.66.77:2000 and 202.28.15.123:80 QUESTION Selecting which process should obtain CPU and execute next is O A Medium-term scheduler B B. Long-term scheduler O job scheduler D. short-term scheduler