On This Page

This set of Distributed Computing System DCS Multiple Choice Questions & Answers (MCQs) focuses on Distributed Computing System Set 4

Q1 | In distributed file system,XDR stands for?
  • external data request
  • external device request
  • external data recovery
  • external data representation
Q2 | If file system is growing without affectingperformance of the system then this feature is called as?
  • union
  • portable
  • robust
  • scalability
Q3 | Storing file in                 makes itpermanently available
  • secondary memory
  • ram
  • register
  • dram
Q4 | Session file sharing semantics are suitablefor caching
  • complete folder
  • complete file
  • one byte
  • one block
Q5 | Network file system(NFS) is developedby?
  • sun microsystem
  • oracle
  • apple
  • honeywell
Q6 | The file once created can not be changed iscalled
  • rigid file
  • rex file
  • immutable file
  • robust file
Q7 | Remote Procedure Calls are used ____________
  • for communication between two processes remotely different from each other on the same system
  • for communication between two processes on the same system
  • for communication between two processes on separate systems
  • none of the mentioned
Q8 | To differentiate the many network services a system supports ______ are used.
  • variables
  • sockets
  • ports
  • service names
Q9 | RPC provides a(an) _____ on the client side, a separate one for each remote procedure.
  • stub
  • identifier
  • name
  • process identifier
Q10 | What is stub?
  • transmits the message to the server where the server side stub receives the message and invokes procedure on the server side
  • packs the parameters into a form transmittable over the network
  • locates the port on the server
  • all of the mentioned
Q11 | To resolve the problem of data representation on different systems RPCs define _____________
  • machine dependent representation of data
  • machine representation of data
  • machine-independent representation of data
  • none of the mentioned
Q12 | What is the full form of RMI?
  • remote memory installation
  • remote memory invocation
  • remote method installation
  • remote method invocation
Q13 | The remote method invocation __________
  • allows a process to invoke memory on a remote object
  • allows a thread to invoke a method on a remote object
  • allows a thread to invoke memory on a remote object
  • allows a process to invoke a method on a remote object
Q14 | 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 ________
  • local procedure call
  • inter process communication
  • remote procedure call
  • remote machine invocation
Q15 | What is not true about a distributed system?
  • it is a collection of processor
  • all processors are synchronized
  • they do not share memory
  • none of the mentioned
Q16 | What are the characteristics of a distributed file system?
  • its users, servers and storage devices are dispersed
  • service activity is not carried out across the network
  • they have single centralized data repository
  • there are multiple dependent storage devices
Q17 | What is not a major reason for building distributed systems?
  • resource sharing
  • computation speedup
  • reliability
  • simplicity
Q18 | What is a stateless file server?
  • it keeps tracks of states of different objects
  • it maintains internally no state information at all
  • it maintains some information in them
  • none of the mentioned
Q19 | What are the characteristics of the stateless server?
  • easier to implement
  • they are not fault-tolerant upon client or server failures
  • they store all information file server
  • they are redundant to keep data safe
Q20 | What are the advantages of file replication?
  • improves availability & performance
  • decreases performance
  • they are consistent
  • improves speed
Q21 | What are characteristic of NFS protocol?
  • search for file within directory
  • read a set of directory entries
  • manipulate links and directories
  • all of the mentioned
Q22 | What is the coherency of replicated data?
  • all replicas are identical at all times
  • replicas are perceived as identical only at some points in time
  • users always read the most recent data in the replicas
  • all of the mentioned
Q23 | The file once created can not be changed is called ___________
  • immutable file
  • mutex file
  • mutable file
  • none of the mentioned
Q24 | ______ of the distributed file system are dispersed among various machines of distributed system.
  • clients
  • servers
  • storage devices
  • all of the mentioned
Q25 | _______ is not possible in distributed file system.
  • file replication
  • migration
  • client interface
  • remote access