Distributed Computing System Set 1

Computer Science Engineering (CSE),

Information Technology Engineering (IT)

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This set of Distributed Computing System DCS Multiple Choice Questions & Answers (MCQs) focuses on Distributed Computing System Set 1

Q1 | A distributed system is defined as a collection of autonomous computers linked by a network with software designed to produce an integratedcomputing facility.
  • true
  • false
Answer: true
Q2 | A “glue” between client and server parts ofapplication
  • middleware
  • firmware
  • package
  • system software
Answer: middleware
Q3 | The hardware of DS has two types
  • multiprocessor system,multicomputer system
  • multiprocessor system,unicomputer system
  • uniprocessorsystem,multicomputer system
  • uniprocessor system,unicomputer system
Answer: multiprocessor system,multicomputer system
Q4 | Process Fail - Stop in process omission faults
  • can be detected in synchronous system.
  • can be detected in asynchronous system.
  • can be detected in synchronous andasynchronous system.
  • can be detected in standalone system.
Answer: can be detected in synchronous system.
Q5 | Distributed pervasive system is alsoknown as
  • ubiquitous computing
  • user interface design
  • graphical user interface
  • peer to peer system
Answer: ubiquitous computing
Q6 | Type of cluster computing is
  • load sharing cluster
  • load holding cluster
  • load replication cluster
  • load balancing cluster
Answer: load balancing cluster
Q7 | Type of grid computing is
  • collaborative grid
  • system grid
  • process grid
  • channel grid
Answer: collaborative grid
Q8 | Scaling transparency hides
  • system expansion
  • system collaboration
  • system failure
  • system security
Answer: system expansion
Q9 | Internet provides                for remotelogin.
  • telnet
  • http
  • ftp
  • rpc
Answer: telnet
Q10 | The header usually consists of the following elements in IPC I. Sequence number II. Structural information III. Address IV. File mode(Read/ Write)
  • i,iii, iv
  • i,ii, iii
  • i, ii, iv
  • i,iv
Answer: i,ii, iii
Q11 | In RMI, the objects are passed by.
  • value
  • reference
  • value and reference
  • object
Answer: value
Q12 | What are the exceptions which have to be handled in a RMI clientprogram?
  • malformedurlexception
  • notfoundexception
  • arithmeticexception
  • class•not•found•excepti on
Answer: malformedurlexception
Q13 | Transient communication doneby layer
  • network
  • transport
  • physical
  • session
Answer: transport
Q14 | The local operating system on the server machine passes the incomingpackets to the
  • server stub
  • client stub
  • client operating system
  • binding agent
Answer: server stub
Q15 | Machine that places the request to access the data is generally called as.
  • server machine
  • client machine
  • request machine
  • database server
Answer: client machine
Q16 |                                   provides programmers a familiar programming model by extending the local procedure call to a distributedenvironment
  • distributed environment
  • permanent procedure call
  • process and file
  • remote procedure call
Answer: remote procedure call
Q17 | An architecture where clients first communicate the server for data then format and display it to the users, isknown as
  • client/server architecture
  • three-tier architecture
  • two-tier architecture
  • peer-to-peer architecture
Answer: client/server architecture
Q18 |                    is an object acting as agateway for the client side.
  • skeleton
  • stub
  • remote
  • server
Answer: stub
Q19 | Message passing provides a mechanism to allow processes to communicate and to synchronize theiractions
  • by sharing the same address space
  • without sharing the same address space
  • by sharing the same process number and process identifier
  • by sharing port number
Answer: by sharing the same address space
Q20 | Which of the followingallocates/deallocates buffers
  • rrl
  • stub/skeleton layer
  • transport layer
  • networking layer
Answer: rrl
Q21 | OSI stands for                      
  • open system interconnection
  • operating system interface
  • optical serviceimplementation
  • open service internet
Answer: open system interconnection
Q22 | Which address is used to identify a processon a host by the transport layer?
  • physical address
  • logical address
  • port address
  • specific address
Answer: port address
Q23 | In all reliable multicast group communication              
  • n\ response expected from the receiver
  • response from any of the receiver required
  • response from \m\(1
  • response needed from all the receivers
Answer: response needed from all the receivers
Q24 | If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery iscalled
  • absolute ordering
  • consistent ordering
  • causal ordering
  • fifo ordering
Answer: consistent ordering
Q25 | What is close group in group communication?
  • only members can send messages to the group as a whole
  • processes that are not members (clients) can send message to the group.
  • the idea of groups is to support replicated servers
  • processes that are not members (clients) but close to the group can sendmessage to the group.
Answer: only members can send messages to the group as a whole
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