Distributed Computing System Set 4
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