Top 150+ Solved Distributed Computing System (DCS) MCQ Questions Answer
Q. A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________
a. local procedure call
b. inter process communication
c. remote procedure call
d. remote machine invocation
Q. What is not true about a distributed system?
a. it is a collection of processor
b. all processors are synchronized
c. they do not share memory
d. none of the mentioned
Q. What are the characteristics of a distributed file system?
a. its users, servers and storage devices are dispersed
b. service activity is not carried out across the network
c. they have single centralized data repository
d. there are multiple dependent storage devices
Q. What is not a major reason for building distributed systems?
a. resource sharing
b. computation speedup
c. reliability
d. simplicity
Q. What is a stateless file server?
a. it keeps tracks of states of different objects
b. it maintains internally no state information at all
c. it maintains some information in them
d. none of the mentioned
Q. What are the characteristics of the stateless server?
a. easier to implement
b. they are not fault-tolerant upon client or server failures
c. they store all information file server
d. they are redundant to keep data safe
Q. What are the advantages of file replication?
a. improves availability & performance
b. decreases performance
c. they are consistent
d. improves speed
Q. What are characteristic of NFS protocol?
a. search for file within directory
b. read a set of directory entries
c. manipulate links and directories
d. all of the mentioned
Q. What is the coherency of replicated data?
a. all replicas are identical at all times
b. replicas are perceived as identical only at some points in time
c. users always read the most recent data in the replicas
d. all of the mentioned
Q. The file once created can not be changed is called ___________
a. immutable file
b. mutex file
c. mutable file
d. none of the mentioned
Q. ______ of the distributed file system are dispersed among various machines of distributed system.
a. clients
b. servers
c. storage devices
d. all of the mentioned
Q. _______ is not possible in distributed file system.
a. file replication
b. migration
c. client interface
d. remote access
Q. Which one of the following hides the location where in the network the file is stored?
a. transparent distributed file system
b. hidden distributed file system
c. escaped distribution file system
d. spy distributed file system
Q. In a distributed file system, when a file’s physical storage location changes ___________
a. file name need to be changed
b. file name need not to be changed
c. file’s host name need to be changed
d. file’s local name need to be changed
Q. In a distributed file system, _______ is mapping between logical and physical objects.
a. client interfacing
b. naming
c. migration
d. heterogeneity