Distributed Computer System (DCS) MCQs with answers Page - 3

Here, you will find a collection of MCQ questions on Distributed Computer System (DCS). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 802.91K Points
Coach

Q. In all reliable multicast group communication

  • (A) n response expected from the receiver
  • (B) response from any of the receiver required
  • (C) response from m(1<m<n) of the receiver required
  • (D) response needed from all the receivers

A

Admin • 802.91K Points
Coach

Q. What is close group in group communication?

  • (A) only members can send messages to the group as a whole
  • (B) processes that are not members (clients) can send message to the group.
  • (C) the idea of groups is to support replicated servers
  • (D) processes that are not members (clients) but close to the group can send message to the group.

A

Admin • 802.91K Points
Coach

Q. In Casual consistency model all processes shared accesses in

  • (A) random order
  • (B) same order
  • (C) sequential order
  • (D) specific order

A

Admin • 802.91K Points
Coach

Q. In which of the following consistency model all writes become perceptible to all processes

  • (A) strict
  • (B) weak
  • (C) casual
  • (D) sequential

A

Admin • 802.91K Points
Coach

Q. consistency is that write operations by the same process are performed in the correct order everywhere.

  • (A) weak
  • (B) strict
  • (C) eventual
  • (D) fifo

A

Admin • 802.91K Points
Coach

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

A

Admin • 802.91K Points
Coach

Q. replicas are used only to improve access time on data

  • (A) client initiated
  • (B) server initiated
  • (C) permanent
  • (D) dynamic

A

Admin • 802.91K Points
Coach

Q. In receivers never acknowledge the successful delivery of multicast message but instead report only when missing the message.

  • (A) basic reliable multicasting
  • (B) non-hierarchical feedback control
  • (C) hierarchical feedback control
  • (D) atomic multicast

A

Admin • 802.91K Points
Coach

Q. A problem with the protocol is that when the coordinator has crashed, participants may not be able to reach a final decision.

  • (A) one-phase commit
  • (B) three-phase commit
  • (C) two-phase commit
  • (D) virtual synchrony

A

Admin • 802.91K Points
Coach

Q. Optimistic logging protocols need to keep track of

  • (A) independencies
  • (B) checking points
  • (C) dependencies
  • (D) erroneous state

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