Top 150+ Solved Distributed Computing System (DCS) MCQ Questions Answer
Q. This is not feature of cooperative algorithm
a. complex
b. larger overhead
c. worst stability
d. better stability
Q. How is access to resources of variousmachines is done?
a. remote logging using ssh or telnet
b. zone are configured forautomatic access
c. ftp is not used
d. ftp is used
Q. What are the characteristics of data migration?
a. transfer data by entire file or immediate portion required
b. transfer the computation rather than the data
c. execute an entire process or parts of it at different sites
d. execute an entire process or parts of it at same site
Q. What are the characteristics of computation migration?
a. transfer data by entire file or immediate portion required
b. transfer the computation rather than the data
c. execute an entire process or parts of it at different sites
d. execute an entire process or parts of it at same site
Q. What are the characteristics of process migr
a. transfer data by entire file or immediate portion required
b. transfer the computation rather than the data
c. execute an entire process or parts of it at different sites
d. execute an entire process or parts of it at same site
Q. When the process issues an I/O request
a. it is placed in an i/o queue
b. it is placed in a waitingqueue
c. it is placed in the readyqueue
d. it is placed in the job queue
Q. Absolute time ordering of all sharedaccesses matters in
a. sequential consistency
b. casual consistency
c. strict consistency
d. weak consistency
Q. In Casual consistency model all processesshared accesses in
a. random order
b. same order
c. sequential order
d. specific order
Q. In which of the following consistency model all writes become perceptible to allprocesses
a. strict
b. weak
c. casual
d. sequential
Q. consistency is that write operations by the same process are performed in the correct ordereverywhere.
a. weak
b. strict
c. eventual
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.
a. monotonic-write
b. writes follows reads
c. read your writes
d. monotonic-read
Q. replicas are used only toimprove access time on data
a. client initiated
b. server initiated
c. permanent
d. dynamic
Q. In receivers never acknowledge the successful delivery of multicast message but instead report onlywhen missing the message.
a. basic reliable multicasting
b. non-hierarchical feedback control
c. hierarchical feedback control
d. atomic multicast
Q. A problem with the protocol is that when the coordinator has crashed, participants may not be able to reach afinal decision.
a. one-phase commit
b. three-phase commit
c. two-phase commit
d. virtual synchrony
Q. Optimistic logging protocols need to keeptrack of
a. independencies
b. checking points
c. dependencies
d. erroneous state