InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
According to the ring algorithm, links between processes are ____________(a) bidirectional(b) unidirectional(c) both bidirectional and unidirectional(d) none of the mentionedI have been asked this question during an interview.This key question is from Distributed Synchronization topic in division Distributed File Systems of Operating System |
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Answer» The CORRECT CHOICE is (B) unidirectional |
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| 2. |
In distributed systems, election algorithms assumes that ____________(a) a unique priority number is associated with each active process in system(b) there is no priority number associated with any process(c) priority of the processes is not required(d) none of the mentionedI have been asked this question in an interview.This interesting question is from Distributed Synchronization in division Distributed File Systems of Operating System |
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Answer» The CORRECT CHOICE is (a) a unique priority number is ASSOCIATED with each active process in system |
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| 3. |
In case of failure, a new transaction coordinator can be elected by ____________(a) bully algorithm(b) ring algorithm(c) both bully and ring algorithm(d) none of the mentionedI have been asked this question in examination.My enquiry is from Distributed Synchronization topic in chapter Distributed File Systems of Operating System |
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Answer» The correct option is (c) both bully and RING algorithm |
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| 4. |
In distributed systems, what will the transaction coordinator do?(a) starts the execution of transaction(b) breaks the transaction into number of sub transactions(c) coordinates the termination of the transaction(d) all of the mentionedI had been asked this question in my homework.Query is from Distributed Synchronization in section Distributed File Systems of Operating System |
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Answer» RIGHT OPTION is (d) all of the mentioned To EXPLAIN: NONE. |
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| 5. |
In the token passing approach of distributed systems, processes are organized in a ring structure ____________(a) logically(b) physically(c) both logically and physically(d) none of the mentionedI had been asked this question in an online quiz.This interesting question is from Distributed Synchronization topic in section Distributed File Systems of Operating System |
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Answer» The CORRECT CHOICE is (a) logically |
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| 6. |
For proper synchronization in distributed systems ____________(a) prevention from the deadlock is must(b) prevention from the starvation is must(c) prevention from the deadlock & starvation is must(d) none of the mentionedThis question was addressed to me in my homework.My doubt stems from Distributed Synchronization topic in section Distributed File Systems of Operating System |
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Answer» The CORRECT answer is (c) prevention from the deadlock & STARVATION is must |
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| 7. |
A process can enter into its critical section ____________(a) anytime(b) when it receives a reply message from its parent process(c) when it receives a reply message from all other processes in the system(d) none of the mentionedThe question was asked in homework.The above asked question is from Distributed Synchronization topic in chapter Distributed File Systems of Operating System |
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Answer» The correct choice is (C) when it RECEIVES a reply MESSAGE from all other processes in the system |
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| 8. |
If a process is executing in its critical section ____________(a) any other process can also execute in its critical section(b) no other process can execute in its critical section(c) one more process can execute in its critical section(d) none of the mentionedI got this question in an international level competition.The origin of the question is Distributed Synchronization in division Distributed File Systems of Operating System |
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Answer» The CORRECT OPTION is (b) no other process can execute in its critical section |
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| 9. |
If timestamps of two events are same, then the events are ____________(a) concurrent(b) non-concurrent(c) monotonic(d) non-monotonicI got this question during a job interview.This interesting question is from Distributed Synchronization topic in chapter Distributed File Systems of Operating System |
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Answer» RIGHT ANSWER is (a) concurrent For EXPLANATION: NONE. |
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| 10. |
In distributed systems, a logical clock is associated with ______________(a) each instruction(b) each process(c) each register(d) none of the mentionedI have been asked this question in an internship interview.This key question is from Distributed Synchronization in portion Distributed File Systems of Operating System |
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Answer» Right OPTION is (B) each process |
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| 11. |
Which are the two complementary deadlock-prevention schemes using timestamps?(a) The wait-die & wound-wait scheme(b) The wait-n-watch scheme(c) The wound-wait scheme(d) The wait-wound & wound-wait schemeThe question was asked in a national level competition.This key question is from Distributed Coordination in chapter Distributed File Systems of Operating System |
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Answer» CORRECT CHOICE is (a) The wait-die & wound-wait scheme To EXPLAIN: NONE. |
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| 12. |
What are the parts of a global unique identifier?(a) Local unique timestamp(b) Remote timestamp(c) Clock number(d) All of the mentionedThis question was posed to me in a national level competition.I'd like to ask this question from Distributed Coordination topic in portion Distributed File Systems of Operating System |
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Answer» Correct ANSWER is (a) Local UNIQUE timestamp |
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| 13. |
What are the disadvantages of majority protocol?(a) Complicated implementation(b) Deadlock cannot occur easily(c) Bottleneck(d) All of the mentionedI got this question in class test.My question is based upon Distributed Coordination in portion Distributed File Systems of Operating System |
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Answer» CORRECT CHOICE is (a) COMPLICATED implementation The EXPLANATION is: NONE. |
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| 14. |
Which of the following disadvantages follows the single coordinator approach?(a) Bottleneck(b) Slow response(c) Deadlock(d) One request per secondI have been asked this question during an interview.I'm obligated to ask this question of Distributed Coordination in portion Distributed File Systems of Operating System |
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Answer» CORRECT CHOICE is (a) Bottleneck Explanation: NONE. |
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| 15. |
Which of the following advantages follows the single coordinator approach?(a) Simple implementation(b) Simple deadlock handling(c) bottleneck(d) All of the mentionedI have been asked this question at a job interview.This key question is from Distributed Coordination in chapter Distributed File Systems of Operating System |
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Answer» CORRECT OPTION is (d) All of the mentioned Explanation: NONE. |
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| 16. |
What things are the transaction coordinator is responsible for?(a) Starting the execution of the transaction(b) Breaking transaction into a number of subtransactions(c) Coordinating the termination of the transaction(d) All of the mentionedI had been asked this question in an internship interview.The query is from Distributed Coordination in section Distributed File Systems of Operating System |
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Answer» CORRECT ANSWER is (d) All of the mentioned The BEST EXPLANATION: NONE. |
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| 17. |
What are the characteristics of atomicity?(a) All operations associated are executed to completion or none are performed(b) One processor as coordinator which handles all requests(c) When responses are received from all processes, then the process can enter its Critical Section(d) Use communication linksThe question was asked during an internship interview.I'm obligated to ask this question of Distributed Coordination topic in portion Distributed File Systems of Operating System |
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Answer» Correct answer is (a) All operations ASSOCIATED are EXECUTED to COMPLETION or none are performed |
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| 18. |
What are the characteristics of mutual exclusion using centralized approach?(a) One processor as coordinator which handles all requests(b) It requires request,reply and release per critical section entry(c) The method is free from starvation(d) All of the mentionedThe question was posed to me in an online interview.Enquiry is from Distributed Coordination in chapter Distributed File Systems of Operating System |
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Answer» The CORRECT ANSWER is (d) All of the mentioned |
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| 19. |
Which one of the following is a distributed file system?(a) andrew file system(b) network file system(c) novel network(d) all of the mentionedI had been asked this question during an online exam.My question is taken from Distributed File System topic in division Distributed File Systems of Operating System |
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Answer» RIGHT ANSWER is (d) all of the mentioned The BEST EXPLANATION: NONE. |
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| 20. |
In distributed file system, file name does not reveal the file’s ___________(a) local name(b) physical storage location(c) both local name and physical storage location(d) none of the mentionedThe question was posed to me during an interview.The question is from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» The correct choice is (B) PHYSICAL storage location |
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| 21. |
There is no need to establish and terminate a connection through open and close operation in ___________(a) stateless file service(b) stateful file service(c) both stateless and stateful file service(d) none of the mentionedThe question was asked in class test.Asked question is from Distributed File System in section Distributed File Systems of Operating System |
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Answer» Correct choice is (a) stateless FILE service |
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| 22. |
In a distributed file system, a file is uniquely identified by ___________(a) host name(b) local name(c) the combination of host name and local name(d) none of the mentionedThis question was posed to me in semester exam.This intriguing question originated from Distributed File System in section Distributed File Systems of Operating System |
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Answer» The CORRECT option is (c) the COMBINATION of HOST NAME and local name |
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| 23. |
In a distributed file system, _______ is mapping between logical and physical objects.(a) client interfacing(b) naming(c) migration(d) heterogeneityThe question was asked in unit test.My question is taken from Distributed File System in portion Distributed File Systems of Operating System |
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Answer» RIGHT OPTION is (B) naming Explanation: NONE. |
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| 24. |
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 changedI had been asked this question during an online interview.The doubt is from Distributed File System in section Distributed File Systems of Operating System |
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Answer» Right choice is (B) FILE NAME NEED not to be changed |
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| 25. |
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 systemThe question was posed to me during an online exam.My query is from Distributed File System in division Distributed File Systems of Operating System |
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Answer» The correct ANSWER is (a) TRANSPARENT DISTRIBUTED file system |
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| 26. |
_______ is not possible in distributed file system.(a) File replication(b) Migration(c) Client interface(d) Remote accessThis question was posed to me by my college director while I was bunking the class.Origin of the question is Distributed File System in portion Distributed File Systems of Operating System |
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Answer» CORRECT CHOICE is (B) Migration Easiest EXPLANATION - NONE. |
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| 27. |
______ of the distributed file system are dispersed among various machines of distributed system.(a) Clients(b) Servers(c) Storage devices(d) All of the mentionedI had been asked this question in my homework.I want to ask this question from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» CORRECT CHOICE is (d) All of the mentioned The EXPLANATION: NONE. |
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| 28. |
The file once created can not be changed is called ___________(a) immutable file(b) mutex file(c) mutable file(d) none of the mentionedThis question was posed to me in an interview.This is a very interesting question from Distributed File System in division Distributed File Systems of Operating System |
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Answer» RIGHT CHOICE is (a) IMMUTABLE file Explanation: NONE. |
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| 29. |
What are non characteristics of session semantics?(a) Each client obtains a working copy from the server(b) When file is closed, the modified file is copied to the file server(c) The burden of coordinating file sharing is ignored by the system(d) Easy to implement in a single processor systemThe question was posed to me during an online interview.The above asked question is from Distributed File System in chapter Distributed File Systems of Operating System |
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Answer» RIGHT choice is (d) EASY to implement in a single PROCESSOR system Best EXPLANATION: NONE. |
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| 30. |
What are the characteristics of transaction semantics?(a) Suitable for applications that are concerned about coherence of data(b) The users of this model are interested in the atomicity property for their transaction(c) Easy to implement in a single processor system(d) Write-back enhances access performanceI got this question by my college professor while I was bunking the class.This interesting question is from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» Right choice is (B) The users of this model are INTERESTED in the atomicity property for their transaction |
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| 31. |
What are the characteristics of Unix semantics?(a) Easy to implement in a single processor system(b) Data cached on a per process basis using write through case control(c) Write-back enhances access performance(d) All of the mentionedI have been asked this question in quiz.My question is from Distributed File System in portion Distributed File Systems of Operating System |
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Answer» The CORRECT ANSWER is (d) All of the mentioned |
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| 32. |
What are the three popular semantic modes?(a) Unix, Coherent & Session semantics(b) Unix, Transaction & Session semantics(c) Coherent, Transaction & Session semantics(d) Session, Coherent semanticsThe question was asked in an online quiz.My question comes from Distributed File System in section Distributed File Systems of Operating System |
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Answer» CORRECT option is (b) Unix, TRANSACTION & SESSION semantics The explanation: None. |
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| 33. |
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 mentionedThis question was addressed to me by my school teacher while I was bunking the class.This interesting question is from Distributed File System topic in division Distributed File Systems of Operating System |
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Answer» CORRECT ANSWER is (d) All of the mentioned Explanation: NONE. |
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| 34. |
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 mentionedThis question was posed to me in unit test.This intriguing question originated from Distributed File System topic in section Distributed File Systems of Operating System |
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Answer» RIGHT OPTION is (d) All of the mentioned For EXPLANATION: NONE. |
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| 35. |
What are the advantages of file replication?(a) Improves availability & performance(b) Decreases performance(c) They are consistent(d) Improves speedI have been asked this question in homework.The query is from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» Correct OPTION is (a) Improves AVAILABILITY & performance |
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| 36. |
Implementation of a stateless file server must not follow?(a) Idempotency requirement(b) Encryption of keys(c) File locking mechanism(d) Cache consistencyI have been asked this question during an internship interview.Asked question is from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» CORRECT option is (B) Encryption of keys Easiest explanation - NONE. |
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| 37. |
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 safeThis question was addressed to me by my school teacher while I was bunking the class.I would like to ask this question from Distributed File System in chapter Distributed File Systems of Operating System |
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Answer» CORRECT option is (a) EASIER to implement To explain I WOULD SAY: NONE. |
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| 38. |
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 mentionedI had been asked this question in an online quiz.Origin of the question is Distributed File System topic in section Distributed File Systems of Operating System |
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Answer» RIGHT answer is (b) It maintains INTERNALLY no state information at all To EXPLAIN I WOULD SAY: None. |
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| 39. |
Which is not an example of state information?(a) Mounting information(b) Description of HDD space(c) Session keys(d) Lock statusI got this question in an international level competition.The doubt is from Distributed File System in section Distributed File Systems of Operating System |
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Answer» RIGHT answer is (b) Description of HDD space The BEST I can explain: NONE. |
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| 40. |
What are the examples of state information?(a) opened files and their clients(b) file descriptors and file handles(c) current file position pointers(d) all of the mentionedI got this question by my college professor while I was bunking the class.My question is taken from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» The CORRECT CHOICE is (d) all of the mentioned |
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| 41. |
What is networked virtual memory?(a) Caching(b) Segmentation(c) RAM disk(d) None of the mentionedThis question was posed to me in a national level competition.My question comes from Distributed File System topic in section Distributed File Systems of Operating System |
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Answer» RIGHT ANSWER is (a) Caching The BEST I can EXPLAIN: NONE. |
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| 42. |
What is the advantage of caching in remote file access?(a) Reduced network traffic by retaining recently accessed disk blocks(b) Faster network access(c) Copies of data creates backup automatically(d) None of the mentionedI had been asked this question in my homework.The origin of the question is Distributed File System in section Distributed File Systems of Operating System |
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Answer» Right choice is (a) REDUCED network traffic by retaining recently ACCESSED DISK blocks |
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| 43. |
What are the different ways mounting of the file system?(a) boot mounting(b) auto mounting(c) explicit mounting(d) all of the mentionedI got this question during a job interview.The doubt is from Distributed File System in portion Distributed File Systems of Operating System |
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Answer» RIGHT CHOICE is (d) all of the mentioned Explanation: NONE. |
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| 44. |
Which is not a major component of a file system?(a) Directory service(b) Authorization service(c) Shadow service(d) System serviceThe question was asked in an interview for job.I need to ask this question from Distributed File System in section Distributed File Systems of Operating System |
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Answer» The correct option is (C) Shadow service |
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| 45. |
What are the different ways file accesses take place?(a) sequential access(b) direct access(c) indexed sequential access(d) all of the mentionedI had been asked this question in an online interview.I want to ask this question from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» The CORRECT CHOICE is (d) all of the mentioned |
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| 46. |
What are characteristic of a DFS?(a) Fault tolerance(b) Scalability(c) Heterogeneity of the system(d) UpgradationI got this question in a job interview.My doubt is from Distributed File System in section Distributed File Systems of Operating System |
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Answer» The CORRECT CHOICE is (d) Upgradation |
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| 47. |
What are not the characteristics of a DFS?(a) login transparency and access transparency(b) Files need not contain information about their physical location(c) No Multiplicity of users(d) No Multiplicity if filesThe question was posed to me in an interview for internship.I would like to ask this question from Distributed File System in section Distributed File Systems of Operating System |
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Answer» The CORRECT option is (C) No MULTIPLICITY of users |
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| 48. |
What are the different ways in which clients and servers are dispersed across machines?(a) Servers may not run on dedicated machines(b) Servers and clients can be on same machines(c) Distribution cannot be interposed between a OS and the file system(d) OS cannot be distributed with the file system a part of that distributionThe question was posed to me during an interview for a job.The above asked question is from Distributed File System topic in chapter Distributed File Systems of Operating System |
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Answer» The correct OPTION is (B) SERVERS and clients can be on same machines |
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| 49. |
What are the important steps followed when recovery from failure happens?(a) Post repairing integration with main system should happen smoothly and gracefully(b) Upon link failure both parties at end must not be notified(c) Fault recovery system must me adjusted(d) Failures are logged systematicallyI got this question in an online quiz.My enquiry is from Distributed Operating System topic in division Distributed File Systems of Operating System |
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Answer» Correct CHOICE is (a) Post repairing integration with main SYSTEM should HAPPEN smoothly and gracefully |
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| 50. |
In which OSI layer encryption and decryption happens?(a) Application(b) Presentation(c) Transport(d) Data LinkThis question was posed to me during an online exam.I want to ask this question from Distributed Operating System in section Distributed File Systems of Operating System |
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Answer» CORRECT OPTION is (B) Presentation Explanation: NONE. |
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