Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Suppose we have four machines that are using the Berkeley algorithm for clock
synchronization. The time daemon is running on machine MO. The other machines
are named M1, M2, and M3. The time readings on the four machines are as follows
wenty-four hour clocks are usedt.
MO
09:10
M1:
08:30
M2
10:10
M3:
07:14
In the third step of the algorithm, what are the values that the time daemon sends to
each machine? Assume that the time values are expressed in minutes. Below, these
values are presented in a vector
value sent to MO, value sent to MI, value sent to M2. value sent to M3I
none of these
O84, 44, 96, 321
O(24, 16, -84, 92)
O192. 84, 16. -24
O-32, 76, 40
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Transcribed Image Text:Suppose we have four machines that are using the Berkeley algorithm for clock synchronization. The time daemon is running on machine MO. The other machines are named M1, M2, and M3. The time readings on the four machines are as follows wenty-four hour clocks are usedt. MO 09:10 M1: 08:30 M2 10:10 M3: 07:14 In the third step of the algorithm, what are the values that the time daemon sends to each machine? Assume that the time values are expressed in minutes. Below, these values are presented in a vector value sent to MO, value sent to MI, value sent to M2. value sent to M3I none of these O84, 44, 96, 321 O(24, 16, -84, 92) O192. 84, 16. -24 O-32, 76, 40
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