Examine the ERD that represents classroom assignments for different exams. a. Why is start time part of the UID of ASSIGNMENT? b. Name at least three time-related constraints. For example: End time must be later than start time. Indicate if the constraint represents conditional non-transferability.

given the options, i would say your best bet is c. the modem supports up to 56 kbps, which is too low for video streaming. dial up modems use actual phone lines, which only can go up to 56 kbps as that's more than sufficient for traditional phone calls. this is also the reason why when a dial-up modem connects, you hear all those sounds. it's literally using the phone line to establish a connection.

answer; i believe the correct answer is layers;

answer; ( blue box );

answer; the above statement is (false); a computer (word) is the amount of data;