Q. In all reliable multicast group communication
✅ Correct Answer: (D)
response needed from all the receivers
Distributed Computing System (DCS) MCQs | Page - 3
Dear candidates you will find MCQ questions of Distributed Computing System (DCS) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery is called
✅ Correct Answer: (B)
consistent ordering
Q. What is close group in group communication?
✅ Correct Answer: (A)
only members can send messages to the group as a whole
Q. In Casual consistency model all processes shared accesses in
✅ Correct Answer: (B)
same order
Q. In which of the following consistency model all writes become perceptible to all processes
✅ Correct Answer: (A)
strict
Q. consistency is that write operations by the same process are performed in the correct order everywhere.
✅ Correct Answer: (D)
fifo
Q. Any successive write operation by a process on a data item x will be performed on a copy of x that is up to date with the value most recently read by that process.
✅ Correct Answer: (B)
writes follows reads
Q. replicas are used only to improve access time on data
✅ Correct Answer: (A)
client initiated
Q. In receivers never acknowledge the successful delivery of multicast message but instead report only when missing the message.
✅ Correct Answer: (B)
non-hierarchical feedback control
Q. A problem with the protocol is that when the coordinator has crashed, participants may not be able to reach a final decision.
✅ Correct Answer: (C)
two-phase commit
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